William Gowers: the never completed third edition of the 'Bible of

11
BRAIN A JOURNAL OF NEUROLOGY OCCASIONAL PAPER William Gowers: the never completed third edition of the ‘Bible of Neurology’ Mervyn J. Eadie, 1 Ann E. M. Scott, 2 Andrew J. Lees 3 and Martin Woodward 4 1 Faculty of Health Sciences, University of Queensland, Brisbane 4027, Australia 2 School of History, Philosophy, Religion and Classics, University of Queensland, Brisbane 4072, Australia 3 The National Hospital for Neurology and Neurosurgery Queen Square London and the Reta Lila Weston Institute for Neurological Studies, University College, London WC1 N1PJ, UK 4 Queen Square Library (formerly the Rockefeller Medical Library), Incorporating the Queen Square Archive and Museum, UCL Institute of Neurology and The National Hospital for Neurology and Neurosurgery, London WC1N 3BG, UK Correspondence to: Mervyn J. Eadie, ‘F’ Floor, Block 7, Royal Brisbane and Women’s Hospital, Herston, 4027, Australia E-mail: [email protected] William Gowers’ classic single-authored two-volume A manual of diseases of the nervous system appeared in a first edition in 1886 and 1888, and in a second edition in 1892 and 1893, with a third edition of Volume 1 in 1899. No third edition of Volume 2 ever appeared. However, in 1949 Critchley stated that he had seen part of a revision of this volume. Subsequent writers could not find this material, but it recently came to light at Gowers’ old hospital at Queen Square, London. The present paper describes the rediscovered material, containing Gowers’ handwritten alterations for a further edition of Volume 2, and substan- tial new material, at least in relation to nystagmus and myasthenia. Gowers’ declining health, or a conflict between his planned new text and his contributions to the neurology segments (1899) of Allbutt’s System of medicine, may explain why a third edition of Volume 2 of the Manual of diseases of the nervous system never appeared. Keywords: Gowers; Manual of diseases of the nervous system; myasthenia; nystagmus; Queen Square Introduction In 1886 J & A Churchill, the London medical publishing house, brought out Volume 1 of William Richard Gowers’ A manual of diseases of the nervous system. Volume 2 followed in 1888. Volume 1 dealt with diseases of the spinal cord and peripheral nerves; Volume 2 with diseases of the brain, cranial nerves and general and functional diseases of the nervous system. Gowers (1845–1915) at the time was physician to the National Hospital for the Paralysed and Epileptic, Queen Square, and to University College Hospital, London, and Professor of Clinical Medicine at the latter. His intention in writing the Manual of diseases of the nervous system was to: ‘attempt to give an account of diseases of the nervous system, sufficiently concise to be within the compass of the time-pressed student or busy practitioner, and yet adequate in its outline of a subject which has become wide and deep beyond any other part of medicine.’ He succeeded well enough for the volumes to become known to several generations of British neurologists as the ‘Bible of doi:10.1093/brain/aws181 Brain 2012: 135; 3178–3188 | 3178 Received April 19, 2012. Revised May 8, 2012. Accepted May 11, 2012. Advance Access publication September 3, 2012 ß The Author (2012). Published by Oxford University Press on behalf of the Guarantors of Brain. All rights reserved. For Permissions, please email: [email protected] Downloaded from https://academic.oup.com/brain/article/135/10/3178/295520 by guest on 30 December 2021

Transcript of William Gowers: the never completed third edition of the 'Bible of

BRAINA JOURNAL OF NEUROLOGY

OCCASIONAL PAPER

William Gowers the never completed third editionof the lsquoBible of NeurologyrsquoMervyn J Eadie1 Ann E M Scott2 Andrew J Lees3 and Martin Woodward4

1 Faculty of Health Sciences University of Queensland Brisbane 4027 Australia

2 School of History Philosophy Religion and Classics University of Queensland Brisbane 4072 Australia

3 The National Hospital for Neurology and Neurosurgery Queen Square London and the Reta Lila Weston Institute for Neurological Studies

University College London WC1 N1PJ UK

4 Queen Square Library (formerly the Rockefeller Medical Library) Incorporating the Queen Square Archive and Museum UCL Institute of

Neurology and The National Hospital for Neurology and Neurosurgery London WC1N 3BG UK

Correspondence to Mervyn J Eadie

lsquoFrsquo Floor Block 7

Royal Brisbane and Womenrsquos Hospital

Herston 4027 Australia

E-mail MEadieuqeduau

William Gowersrsquo classic single-authored two-volume A manual of diseases of the nervous system appeared in a first edition in

1886 and 1888 and in a second edition in 1892 and 1893 with a third edition of Volume 1 in 1899 No third edition of Volume

2 ever appeared However in 1949 Critchley stated that he had seen part of a revision of this volume Subsequent writers could

not find this material but it recently came to light at Gowersrsquo old hospital at Queen Square London The present paper

describes the rediscovered material containing Gowersrsquo handwritten alterations for a further edition of Volume 2 and substan-

tial new material at least in relation to nystagmus and myasthenia Gowersrsquo declining health or a conflict between his planned

new text and his contributions to the neurology segments (1899) of Allbuttrsquos System of medicine may explain why a third

edition of Volume 2 of the Manual of diseases of the nervous system never appeared

Keywords Gowers Manual of diseases of the nervous system myasthenia nystagmus Queen Square

IntroductionIn 1886 J amp A Churchill the London medical publishing house

brought out Volume 1 of William Richard Gowersrsquo A manual of

diseases of the nervous system Volume 2 followed in 1888

Volume 1 dealt with diseases of the spinal cord and peripheral

nerves Volume 2 with diseases of the brain cranial nerves and

general and functional diseases of the nervous system Gowers

(1845ndash1915) at the time was physician to the National Hospital

for the Paralysed and Epileptic Queen Square and to University

College Hospital London and Professor of Clinical Medicine at

the latter His intention in writing the Manual of diseases of the

nervous system was to

lsquoattempt to give an account of diseases of the nervous system

sufficiently concise to be within the compass of the time-pressed

student or busy practitioner and yet adequate in its outline of a

subject which has become wide and deep beyond any other

part of medicinersquo

He succeeded well enough for the volumes to become known to

several generations of British neurologists as the lsquoBible of

doi101093brainaws181 Brain 2012 135 3178ndash3188 | 3178

Received April 19 2012 Revised May 8 2012 Accepted May 11 2012 Advance Access publication September 3 2012

The Author (2012) Published by Oxford University Press on behalf of the Guarantors of Brain All rights reserved

For Permissions please email journalspermissionsoupcom

Dow

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icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

Neurologyrsquo though Spillane (1891) suggested that it should be

regarded as neurologyrsquos lsquoNew Testamentrsquo

Enlarged second editions of the Manual of diseases of the ner-

vous systemrsquos two volumes appeared in 1892 and 1893 respect-

ively with a third edition of Volume 1 co-edited by Gowers and

James Taylor in 1899 (Fig 1) No third edition of Volume 2 ever

appeared though Gowersrsquo obituary in the British Medical Journal

erroneously stated that it had in 1899 (Anonymous 1915a)

Critchley (1949) in his biography of Gowers wrote that he had

seen a draft revision of a third edition of Volume 2 Critchleyrsquos

Plate IX illustrated page 555 of Volume 2 of the second edition

dealing with insular sclerosis On it Gowers had made handwrit-

ten alterations Years later McDonald (1986) when preparing for

his Gowers Memorial Lecture could not find the draft revision

and regretted that it was lsquosadly now missingrsquo

The lost revision of Volume 2 of the third edition of the Manual

of diseases of the nervous system was rediscovered at Queen

Square in 2008 Ann Scott was researching the background for

her biography of her grandfather Ernest Gowers (William Richard

Gowersrsquo son) who was Chairman of the Board of Governors of

Queen Square from 1946 to 1957 (Scott 2009) The Queen

Square Library had just taken over responsibility for the

Hospitalrsquos archives then uncatalogued and stored in cupboards

on one of the hospital corridors A preliminary search by Scott

and the librarian Louise Shepherd revealed an album of William

Richard Gowersrsquo holiday sketches When the library catalogued

the archives more of Gowersrsquo papers were discovered some in

a bundle amid other old documents The significance of this ma-

terial was not immediately recognized Later handwriting on it

was verified as that of Gowers by comparison with handwritten

letters bearing his signature

The present article discusses the rediscovered material the

changes Gowers intended for a third edition of Volume 2 of his

Manual of diseases of the nervous system and speculates on why

this volume was never published

The rediscovered materialNearly all of the papers in the bundle were groups of consecutive

single pages from the second edition of Volume 2 of the Manual

of diseases of the nervous system Each page was glued to the

left-hand side of a larger sheet of blank paper allowing written

alterations made from the right-hand margin of the existing

type to overflow onto the blank paper There were also two

sets of handwritten pages and a few fragments of pages some

containing handwriting some shorthand and one a combination

of both

One set of handwritten pages described the initial part of the

history of a patient with epilepsy Its content was almost identical

to the account of a subject (James S) described in Gowersrsquo

Hughlings Jackson lecture (1909) These pages contain internal

evidence of being written in 1904 or later and are not considered

further All of the remaining material except perhaps for a few of

the paper fragments appear relevant to a third edition of Gowersrsquo

Manual of diseases of the nervous system At least four copies of

Volume 2 of the second edition of the manual must have been

taken apart in preparation for a new edition since there were

two sets of pages 421 422 423 424 and 543 At some time

consecutive pages from Volume 2 must have been separated

into sections that largely corresponded to the bookrsquos chapters

or major parts of chapters Nearly always whole sections either

had survived intact or were absent Including the title page

and the index pages for nearly half the total text of Volume 2

of the second edition were present in the bundle Table 1 lists

the full set of chapters and section headings of this volume and

their corresponding page numbers The surviving pages and sec-

tions are highlighted in Table 1 Some of the surviving sections

were not annotated others contained handwritten alterations

in ink or rarely in ink superimposed on handwritten pencil

amendments The revised groups of pages are indicated in bold

type in Table 1

The groups of sheets of backing paper to which printed pages

had been glued all had one two or occasionally three perforations

presumably for binding devices towards their upper left hand cor-

ners This suggests that the bundle of pages had been taken apart

and reassembled probably more than once at various stages of its

existence

Figure 1 The title page of Volume 1 of the third edition of

Gowersrsquo Manual of diseases of the nervous system

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3179

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Gowersrsquo intended revisionsThe revisions fall into three classes as follows (i) removal of the

more speculative interpretations and redundant text (ii) insertion

of new material and (iii) general text shortening and simplifica-

tion Gowers deleted a considerable proportion of the section on

the motor nerve supply of the eyeballs its accompanying line

drawings and the associated references in the footnotes (Fig 2)

He removed details of the anatomy of the relevant nerves indi-

cating that this was described earlier in the volume but on page

168 added details of the innervation of the eyelids He crossed out

detailed material on patterns of abnormal eyeball position and

movement stating that these matters were now well covered in

textbooks of ophthalmology Interestingly this particular section

had been the only one singled out for detailed criticism by the

British Medical Journalrsquos reviewer of the second edition of

Volume 2 of the Manual of Diseases of the Nervous System

(Anonymous 1894) On page 180 he replaced the section on

isolated palsies of single external eye muscles with the following

account of congenital abnormalities that was not present in the

second edition

lsquoCongenital anomalies are not rare and sometimes entail diag-

nostic difficulty One eyeball amp ocular fissure may be a little

higher than the other amp it is very common for the upward

movement to be unequal in degree Sometimes some move-

ment is oblique instead of straight in one eye the left eye for

instance in looking horizontally to the right moves upwards as

well as inwards In these cases there is often also a difference in

level The fact that in congenital cases double vision can never

be found is an important aid to their recognitionrsquo

Gowers also deleted statements that by then were probably

considered inaccurate for example that partial paralysis of an

external eye muscle could cause nystagmus (p 171) He also

deleted certain case histories of his own patients and certain in-

terpretations of altered physiology that seem to have depended on

reasonable inference rather than established facts The entire sec-

tion on nystagmus was to be replaced with a handwritten account

inserted at the appropriate position in the papers

The earlier part of the second editionrsquos section on cerebral haem-

orrhage was missing In the remaining part Gowersrsquo deletions were

sporadic and minor or involved removing accounts of his own illus-

trative cases Similarly the deletions were trivial in the sections on

brain degeneration and disseminated sclerosis The overall tone of

what remained seemed slightly more conservative than in the se-

cond edition In the annotated parts dealing with narcolepsy hypo-

chondriasis and neurasthenia Gowersrsquo deletions were all minor

Throughout his revision Gowers made relatively short alter-

ations mainly elisions shortening the text Thus the sentence in

the second edition (p 400 Fig 3)

lsquothe enduring symptoms which persist after the initial stage is over

are due to local interference with the functions of the damaged part

of the brain and are determined by the situation of the lesionrsquo

became

lsquothe enduring symptoms due to destruction of tissue depend

on the situation of the lesionrsquo

The insertions Gowers proposed for the revised sections mainly

comprised short statements of new facts or new interpretations

For example that there was increasing evidence that particular

Table 1 Sections and corresponding page numbers for the second edition of Volume 2 of Gowersrsquo A manual of diseases ofthe nervous system

pp 1ndash137 Structure and function of the brain including symptoms of brain disease

pp 138ndash42 Olfactory nerve

pp 143ndash68 Optic nerve

pp 168ndash213 (Including a six-page inserted manuscript on nystagmus)mdashmotor nerves of the eyeball

pp 213ndash300 Cranial nerves v vi vii viii ix x part xi

circa pp 300ndash1 Accessory nerve (spinal part)

pp 302ndash93 Localization of cerebral disease disease of the membranes of the brain organic disease of the brain (anaemia hyperaemiapart of cerebral haemorrhage)

pp 394ndash426 Part of cerebral haemorrhage infarction

pp 421ndash62 Remainder of cerebrovascular disease

pp 462ndash540 Brain inflammations abscess tumours aneurysms

pp 541ndash90 Brain lsquodegenerationsrsquo disseminated sclerosis bulbar palsy hydrocephalus

pp 591ndash674 Chorea paralysis agitans wry-neck

pp 674ndash97 Tetanus

pp 698ndash710 Tetany

pp 710ndash94 Occupational neuroses epilepsy convulsions eclampsia vertigo

pp 794ndash836 Neuralgia migraine headache head sensations

pp 868ndash984 Facial hemiatrophy exophthalmic goitre paralysis after acute diseases diptheritic paralysis hydrophobia metal poisoningalcoholism

pp 984ndash1030 Hysteria

pp 1030ndash7 Hypnotism cataplexy trance or lethargy

pp 1038ndash50 Narcolepsy hypochondriasis and neurasthenia

Pages italicized are present in the surviving papers with those in bold type containing Gowersrsquo handwritten revisions

3180 | Brain 2012 135 3178ndash3188 M J Eadie et al

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eye movements were represented in particular cell groups within

the oculomotor nuclei in the brainstem and that the optic neur-

opathy of disseminated sclerosis progressed less rapidly than that

of tabes Such changes modernized the text though individually

none was of any great moment However there were two more

substantial insertions one lengthy the other brief and both of

interest

More major changesPages 207 to 210 of Volume 2 of the second edition were absent

from the material that survived but were obviously to be replaced

by a new handwritten account of nystagmus (Fig 4) transcribed

in Appendix I The revision is better organized and lacks the per-

sonal case material of the earlier version It may not have been at

Figure 2 Gowersrsquo alterations to the text and deletion of the line drawing made on page 182 of Volume 2 second edition of his Manual of

diseases of the nervous system There is a single binder hole high in the left hand corner of the sheet Image courtesy of the Queen Square

Library Archive and Museum Copyright National Hospital for Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3181

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final draft stage for it seems less polished than Gowersrsquo usual

accounts There is more on Gowersrsquo proposed pathophysiology

of nystagmus centred on the hypothesis that the phenomenon

results from disturbed reciprocal inhibition the mechanism

whereby an opposing muscle relaxes when its corresponding

prime mover contracts Sherrington had investigated this

phenomenon since 1893 and published a series of papers on it

including his 1897 Croonian lectures (Sherrington 1897) whose

full text became available in 1898 (Sherrington 1898) By 1899

Gowers knew of the role of the muscle spindles (Beevor wrote a

short section on the spindles at the end of the third edition of

Volume 1 of the Manual of diseases of the nervous system) and

Figure 3 Gowersrsquo annotations on page 401 dealing with cerebral haemorrhage with two perforation holes in the upper left hand corner

Image courtesy of the Queen Square Library Archive and Museum Copyright National Hospital for Neurology amp Neurosurgery London

3182 | Brain 2012 135 3178ndash3188 M J Eadie et al

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that they did lsquonot present the same aspect in the ocular muscles as

in othersrsquo Gowers suggested that nerve impulses from the ten-

dons of the external eye muscles travelled via the fifth cranial

nerve to the brainstem to act on neurons in the external eye

muscle nuclei thus providing the anatomical background for his

interpretation of the mechanism of nystagmus In the second edi-

tion of the Manual of diseases of the nervous system Gowers had

suggested that nystagmus arose from various sites in the CNS

including the spinal cord For the third edition he limited the

neural sites of origin of nystagmus to the brainstem and cerebel-

lum and the labyrinth Gowersrsquo new account provided a major

revision of the topic It showed that he had kept abreast of ad-

vances in physiology and could utilize these advances to develop

new explanations for disease phenomena

The second significant alteration proposed for Volume 2 ap-

peared at two separate places in the surviving material On

Figure 4 The first page of the new handwritten account of nystagmus with a single circular binder hole in an intermediate position in the

upper left-hand corner of the page Image courtesy of the Queen Square Library Archive and Museum Copyright National Hospital for

Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3183

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page 573 Gowers had written the single word lsquomyastheniarsquo

beside the heading lsquochronic bulbar paralysis without anatomical

changersquo which referred to an entity described by Shaw (1890)

Gowers did not mention that Wilks (1877) had even earlier

recorded a similar instance which some subsequent authors

claimed may have been the first description of myasthenia

However as pointed out by Keynes (1961) Thomas Willis

(1683) had much earlier given a convincing description of myas-

thenia in the case of

lsquoan honest Woman who for many years has been obnoxious to

this sort of spurious Palsie not only in her Members but also in

her tongue she for some time can speak freely and readily

enough but after she has spoke long or hastily or eagerly

she is not able to speak a word but becomes as mute as a

Fish nor can she recover the use of her voice under an hour

or tworsquo

In addition to Gowersrsquo insertion of the single word lsquomyastheniarsquo

on page 573 there was attached to page 190 of Volume 2 in the

margin beside the subsection on diphtheritic paralysis of eye

movements a handwritten paragraph on myasthenia reading

lsquoMyastheniamdashin this mysterious malady (qv) weakness of the

ocular muscles is not rare The superior recti suffer most in

association with the levator amp orbicularis the inferior recti

least The affection of the lateral muscles varies much amp differs

even in those that act togetherrsquo

The lsquo(qv)rsquo suggests that there was to be a fuller account of the

disorder elsewhere in the new edition but none was found in the

surviving pages

Myasthenia was not mentioned in the second edition of

Gowersrsquo Manual of diseases of the nervous system

English-speaking neurology seems to have largely been unaware

of myasthenia until the last 2 or 3 years of the 19th century

though German authors were aware of the entity in the 1880s

(Keynes 1961) In March 1900 Gowersrsquo colleague Thomas

Buzzard described two cases seen at Queen Square Their diagno-

sis had been suggested by his house physician Edwin Bramwell

who at lsquoa foreign clinicrsquo had seen the disorder diagnosed Also

in 1900 Campbell and Bramwell published a major review of the

topic in Brain

On pages 235ndash6 of Volume 7 of Allbuttrsquos System of medicine

(1899) Beevor delved into the literature on lsquobulbar paralysis with-

out apparent anatomical changesrsquo without mentioning lsquomyasthe-

niarsquo The word did not appear in the index of that

particular volume However the general index to Allbuttrsquos

System of medicine in Volume 8 (also published in 1899) con-

tained the words lsquomyasthenia gravisrsquo (referring to page vii 236

ie to Beevorrsquos contribution where the words were not present)

This also suggests that British neurology became generally

aware of myasthenia in 1899 In 1902 Gowers described a

total of four cases of myasthenia in papers in consecutive

issues of the British Medical Journal (Gowers 1902a b)

There he rejected the idea that Wilks had described the disorder

in 1877

DiscussionThere is little doubt that though others failed to find it in the

interval a substantial part of the revised text for the third edition

of Volume 2 of Gowersrsquo Manual of Diseases of the Nervous

System with proposed revisions made in Gowersrsquo handwriting

has been rediscovered some six decades after Critchley (1949)

last recorded having seen it The identity of page 555 (Fig 5) of

the rediscovered material and the page that Critchley (1949) illu-

strated makes it virtually certain that the set of pages recently

found at Queen Square is that which Critchley saw

Unfortunately a little over half of the original text of Volume 2

is missing

How did the material come intoCritchleyrsquos handsJames Taylor (1859ndash1946) the disciple and friend of both

Hughlings Jackson and Gowers was responsible for compiling

Hughlings Jacksonrsquos Neurological fragments (1925) editing his

Selected writings (1931) and co-editing Volume 1 of the third

edition of Gowersrsquo Manual of diseases of the nervous system It

seems likely that he was also to have been joint editor of Volume

2 of the third edition of the manual though Gowers would have

played the leading role in the writing Possibly Taylor and Gowers

each received a set of second edition pages prepared for revision

and Gowersrsquo annotated set came into Taylorrsquos hands later and at

some stage found its way to Queen Square In his preface to

Gowersrsquo biography Critchley (1949) acknowledged the assistance

he received from Mrs James Taylor and an etching lsquoThe mouth of

the lynrsquo by Gowers reproduced in the biography (Plate X facing

p 88) was loaned to him by Taylorrsquos daughter The revised sheets

may have been given to Critchley by Mrs Taylor It would explain

the duplicates of a few pages of the manual in the surviving

material

Why was the revision never completedand publishedThe existence of a significant part of the revised text of Volume 2

of the Manual of diseases of the nervous system raises the ques-

tion as to why the work was never published When Volume 1 of

the first edition appeared its readers were told that Volume 2 was

in press When Volume 1 of the second edition appeared readers

were reassured that Volume 2 would soon be ready No assur-

ances were given regarding to the appearance of Volume 2 of the

third edition when Volume 1 was published

Work on Volume 2 of a third edition appears to have begun

with the cooperation of J amp A Churchill Gowersrsquo revisions were

written partly on the larger sheets of paper to which pages from

the second edition were glued Such sheets were the sort of ma-

terials that Churchillrsquos successor the firm of Churchill-Livingstone

provided to its authors for revising a book in the days before word

processing Gowersrsquo written changes show that he had made a

serious attempt to modernize and shorten the text of Volume 2

Why he chose to shorten it and omit case histories is unclear

3184 | Brain 2012 135 3178ndash3188 M J Eadie et al

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Gowers and Taylor had expanded the text of Volume 1 of the

third edition from 616 to 692 pages Comparison of some random

sections of the second and third editions of Volume 1 (those on

sciatica acute ascending paralysis ataxic paraplegia and

Thomsenrsquos disease and paramyotonia) show no attempt to carry

out the editorial style shortenings of text that Gowers apparently

intended for Volume 2 of the third edition

Critchley (1949) wrote that Gowers suffered a breakdown in

health in 1894 suffering severe back pain which Gowers later

hinted was lsquolumbagorsquo (Gowers 1904) He went on a voyage to

South Africa and back to recuperate returning lsquowith the second

edition of his Manual re-written corrected and ready for the

pressrsquo (Critchley 1949 p 93) We now know that he went to

South Africa in 1898 not 1894 (Scott et al 2012) It must there-

fore have been the third edition of Volume 1 that Gowers worked

on during the voyage Possibly when unwell Gowers may have

allowed what he considered reasonably satisfactory material from

the earlier edition of Volume 1 to remain unaltered Later perhaps

in better health he was more radical in revising Volume 2

Gowers probably worked on the revision of Volume 2 in the

1898ndash1900 period On page 1040 of the second edition despite

making alterations he left unchanged a statement to the effect

that hypochondriasis had been recognized only in the early years

of the present century This suggests that he was writing before

1901 Furthermore in his new section on nystagmus he made

substantial use of Sherringtonrsquos concept of reciprocal inhibition

an idea he probably would have become aware of around 1898

or slightly earlier

Could poor health have prevented Gowers from completing the

revision of Volume 2 in which he would almost certainly have

been the dominant partner On medical advice to reduce his

workload he gave up editing his pet project the Phonographic

Record of Clinical Teaching and Medical Science in 1899

However he published several major papers between 1899 and

Figure 5 Page 555 of Volume 2 of the second edition of the Manual of diseases of the nervous system part of the section dealing with

insular (disseminated) sclerosis This page was reproduced by Critchley (1949) as Plate X in his biography of Gowers but the upper part of

the page was cropped so that the two irregular binder holes did not show Image courtesy of the Queen Square Library Archive and

Museum Copyright National Hospital for Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3185

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1900 In 1901 he produced a second edition of his monograph

Epilepsy and other chronic convulsive diseases which included his

analysis of his records of 3000 patients Although Foster Kennedy

wrote in 1908 that Gowers was lsquobreaking up badlyrsquo (Butterfield

1981) his book The borderland of epilepsy appeared in 1909 On

the whole declining health does not seem a sufficient explanation

for Gowersrsquo failure to complete the third edition although it may

have contributed

Gowersrsquo Lancet obituary (Anonymous 1915b) mentioned that

he had contemplated producing a single volume shortened version

of the Manual of diseases of the nervous system omitting ana-

tomical and physiological material This possibility may have

diverted him from his revision for the third edition but if so nei-

ther project ever came to fruition whereas other subsequent

major publications from his pen did Also there had been an

American single volume 1357mdashpage version of the first edition

of the Manual of diseases of the nervous system and its format

had been criticized for being lsquoexceedingly clumsyrsquo (BS 1888)

Critchley (1949) suggested that sales of the third edition of

Volume 1 of the Manual of diseases of the nervous system pub-

lished in 1899 may have been adversely affected because

Macmillan brought out Volumes 7 and 8 of Allbuttrsquos System of

medicine in the same year These volumes contained the full

multi-authored neurological content of the System of medicine

Perhaps this is the explanation though it seems unlikely that as

early as 1900 poor sales of Volume 1 which had been published

only in the previous year would have been sufficiently evident to

cause further work on Volume 2 to be abandoned Also three

reviews of Volume 1 (Anonymous 1899a b c) in the British

Medical Journal Lancet and Journal of the American Medical

Association were highly favourable

Volume 7 of Allbuttrsquos System of medicine contained Gowersrsquo

account of epilepsy (Gowers 1899a) and Taylorrsquos chapters on

lsquoThe cerebral palsies of childrenrsquo (Taylor 1899a) and lsquoOcclusion

of cerebral vesselsrsquo (Taylor 1899b) Gowers had annotated the

text relating to Taylorrsquos latter topic for the third edition of the

Manual of diseases of the nervous system before his revising ap-

peared to cease Allbuttrsquos Volume 8 contained Gowersrsquo account of

paralysis agitans in which he developed his ideas relating to stress

as a triggering factor (Gowers 1899b) These recently available

accounts in a work produced by one publisher and written by the

authors of Gowersrsquo Manual of diseases of the nervous system

dealt with substantial topics that would have had to be considered

in Volume 2 of a new edition of the manual (with its different

publisher) This situation may have produced copyright or other

commercial issues Whether such matters explain why a third edi-

tion of Volume 2 of the Manual of diseases of the nervous system

never appeared can now be only a matter for conjecture

However the timing and Gowers apparent abandoning his revi-

sion part of the way through the task are consistent with this

possibility Whatever happened then relations between Gowers

Taylor and J amp A Churchill seem to have remained amicable As

well as the second edition of Gowersrsquo Epilepsy and other chronic

convulsive diseases in 1901 Churchill brought out his The

borderland of epilepsy in 1909 and Taylorrsquos Paralysis and other

diseases of the nervous system in childhood and early life in

1905

The real reason for Volume 2 of the third edition of Gowersrsquo

masterpiece never appearing may forever remain uncertain but

evidence is again available in the archives at the National

Hospital for Neurology and Neurosurgery at Queen Square that

he had gone some distance towards completing what was possibly

his only unfinished major project

ReferencesAllbutt TC A system of medicine by many writers Vol 7 and 8 London

Macmillan 1899

Anonymous A manual of diseases of the nervous system In WR

Gowers MD FRS editors 2nd edn Vol II London J amp A

Churchill 1893 BMJ 1894 1 246ndash7

Anonymous A manual of diseases of the nervous system By Sir W

Gowers MD FRCP FRS Edited by Sir W R Gowers and James Taylor

MA MD FRCP JAMA 1899a 33 744ndash5

Anonymous A manual of diseases of the nervous system In Sir William

Gowers MD FRCPLond FRS 3rd edn Sir William Gowers and James

Taylor MA MD Edin FRCP Lond Vol 1 Lancet 1899b 1 698ndash9

Anonymous A manual of the diseases of the nervous system Vol 1 In

Gowers WR editor Diseases of the nerves and spinal cord James

Taylor BMJ 1899c 1 737ndash8

Anonymous Obituary Sir William Gowers MD FRCP FRS BMJ 1915a

1 828ndash30

Anonymous Obituary Sir William Gowers MD Lond and Dub FRCP

Lond LLD Edin FRS Lancet 1915b 1 1055ndash6

BS Reviews A manual of diseases of the nervous system In Gowers

WR FRCP American Edition with 341 illustrations P Blakiston Son amp

Co 1888 J Nerv Ment Dis 1888 13 325ndash7

Butterfield EK The making of a neurologist the letters of Foster Kennedy

1884ndash1952 to his wife Cambridge Privately published 1981

Buzzard T Clinical lecture on cases of myasthenia gravis

pseudo-paralytica BMJ 1990 1 493ndash6

Campbell H Bramwell E Myasthenia gravis Brain 1900 23 277ndash336

Critchley M Sir William Gowers 1845ndash1915 A biographical appreciation

London Heinemann 1949

Gowers Sir W Epilepsy In Allbutt TC editor A system of medicine by

many writers Vol 7 London Macmillan 1899a p 758ndash97

Gowers WR A manual of diseases of the nervous system 1st edn 1886

1888 Vols 1 and 2 2nd edn 1892 amp 1893 3rd edn (Taylor J

co-editor) Vol 1 London J amp A Churchill 1899Gowers WR Paralysis agitans In Allbutt TC editor A system of

medicine by many writers Vol 8 London Macmillan 1899b

p 73ndash82

Gowers WR Epilepsy and other chronic convulsive diseases 2nd edn

London J amp A Churchill 1901

Gowers WR Remarks on myasthenia and ophthalmoplegia BMJ 1902

1 1253ndash6

Gowers WR Further remarks on myasthenia BMJ 1902 1 1323ndash4Gowers WR A lecture on lumbago its lessons and analogues BMJ

1904 1 117ndash21

Gowers WR The borderland of epilepsy London Churchill 1907Gowers WR The Hughlings-Jackson lecture on special sense discharges

from organic disease Brain 1909 32 303ndash26Hughlings Jackson J Neurological fragments Humphrey Milford

London Oxford University Press 1925Hughlings Jackson J In Taylor J editor Selected writings of

John Hughlings Jackson Vol 1ndash2 London Hodder amp Stoughton

1931

Keynes G The history of myasthenia gravis Med Hist 1961 5 313ndash26McDonald WI The mystery of the origin of multiple sclerosis J Neurol

Neurosurg Psychiatr 1986 49 113ndash23Scott A Ernest Gowers plain words and forgotten deeds Basingstoke

Palgrave Macmillan 2009

3186 | Brain 2012 135 3178ndash3188 M J Eadie et al

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Scott A Eadie MJ Lees A Sir William Gowers (1845ndash1915) exploring

the Victorian brain Oxford Oxford University Press 2012Shaw LE A case of bulbar paralysis without structural changes in the

medulla Brain 1890 13 96ndash9

Sherrington CS Croonian lecturesmdashthe mammalian spinal cord as an

organ of reflex action Abstract Phil Trans 1897 61 220ndash1

Sherrington CS Experiments in examination of the peripheral distributionof the fibres of the posterior roots of some spinal nerves Part II Phil

Trans 1898 190 45ndash186

Spillane JD The doctrine of the nerves Oxford Oxford University Press

1891

Taylor J The cerebral palsies of children In Allbutt TC editor A system

of medicine by many writers London Macmillan 1899a p 735ndash44Taylor J Occlusion of cerebral vessels In Allbutt TC editor A system of

medicine by many writers London Macmillan 1899b p 560ndash76

Taylor J Paralysis and other diseases of the nervous system in childhood

and early life London J amp A Churchill 1905Wilks S On cerebritis hysteria and bulbar paralysis as illustrative of

arrest of function of the cerebrospinal centres Guyrsquos Hosp Rep

1877 22 7ndash55

Willis T In Pordage S translator Two discourses concerning the soul of

brutes which is that of the vital and sensitive of man London Dring

Harper and Leigh 1683

Appendix I

NystagmusNystagmus is an oscillation of the eyeballs rarely of one only due

to an alternate contraction of the opposing muscles They should

act together the opponent supporting yet yielding to the acting

muscle The alternation causes a to and fro movement usually of

both eyes and synchronous It occurs on voluntary movement but

sometimes goes on in the mid position In the direction in which

the will acts the movement is more rapid than in the return It may

recur on movement in any direction or only in one In the hor-

izontal movements it is usually greater in the outward moving

eye which is the more important Sometimes the motion is rota-

tory amp then is slight and often unilateralmdashthe degree of move-

ment varies much a slight jerking may attend defective power

after it has rested for some time and has been thought to be

different in nature from the pronounced oscillation but this is

uncertain The motion sometimes varies in degree even under

observation Usually uniform a considerable movement sometimes

separates two or three smaller jerks Its time varies and is the

more rapid the smaller the range of movement roughly speaking

the double movement occurs from 80 to 180 per minute Other

features will be considered presently

From the common form the acquired nystagmus of central

disease two other varieties may be distinguished which are

important in connection with its origin An infantile form begins

in the first month of life Sometimes it is associated with a similar

alternate contraction of the muscles of the head and neck causing

nodding movements More commonly it develops when there is a

condition lessening the amount of light which enters the eye such

as a superficial disease of any kind It also occurs in albinism when

the amount of light is in excess Thus there is an abnormal

amount of light during the time when the child acquires the

power of fixing a light a process in which a reflex action on the

muscles takes an important share This form consists of an

alternate action of the same rate there is not the quicker

motion in the direction of volition

Minerrsquos nystagmus develops in those who have worked for

years in getting coal lying in a constrained position with the

head inclined It occurs especially in badly lighted mines and is

disposed to by defects of general health and alcoholism It is

often rotatory

The common form results from organic disease or degeneration

near or in the mid-brain pons or cerebellum It is not met with in

disease of the cerebral hemisphere above the central ganglia

rarely from disease in these chiefly the optic thalamus It may

be caused by affections of the labyrinth of the ear that induce

vertigo an important fact in connection with the influence of

cerebellar disease in causing it

Pathology The slighter degrees of nystagmus may develop into

those that are considerable and in these there is a deliberate

alternation of the opposing muscles This is apparently the result

of an excessive activity of the muscle-reflex action between reci-

procal muscles We cannot doubt that there are structures that

subserve this action in the nuclei of the ocular nerves analogous

to those that exist in the spinal cord Sherrington has obtained in

the latter a similar insubordination by cutting off the voluntary

impulse The same alternate movement occurs and he has proved

that the arrest of action in one muscle followed by a contraction

in the opponent is due to an afferent nerve impulse produced by

the extension of the latter which inhibits the spinal centre for the

former and is followed by activity of its own centre Thus the

same effect is produced and the alternation goes on The resem-

blance to nystagmus is perfect In this the acting muscles say

those moving the eyes to the right contract under the will but

just before they reach the limit of movement they suddenly relax

from central inhibition their opponents the left-sided muscles

contract and the eyes move back rather more slowly but just

before reaching the mid-position they are in turn arrested and a

quicker action of the right sided muscles again moves the eyes to

the right

The structures (muscle-spindles) which are believed to be sen-

sitive to tension do not present the same aspect in the ocular

muscles as in others but their tendons present sensitive neural

structures and the fact that a twig from each muscle nerve

passes to the fifth nerve shows that afferent impulses must arise

in them they doubtless pass to the highest cells of the fifth

nucleus adjacent to the motor nuclei But the muscle-reflex alter-

nation is not produced by a defect in the volitional impulse as in

the spinal centre Its causes are such as may disturb the balance of

the mid-brain structures which subserve all ocular reflex action

and also the association of the two eyes The structural arrange-

ment for the alternation of opposing ocular muscles must be ren-

dered insubordinate with readiness as is shown by the readiness

by which it becomes excessive in infantile nystagmus from a mere

disproportion in the amount of light This must act on the same

centre as far as concerns its influence on the ocular muscles and

enables us to understand that dim lighting is an element in causing

the minerrsquos form

Nystagmus when in moderate degree only occurs on voluntary

movement of the eyes it is absent at rest in the midposition The

reflex alternation is present only when the centre is energised by

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3187

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the volitional impulse But the latter causes the movement to be

quicker in the direction of volition In time the nystagmus in a

certain direction may attain such a degree that it continues when

the will is not acting and even in opposition to the will eg the

quick motion to the right may persist in the mid-position on

upward and downward movements and even during half the

movement of the eyes to the left These features show clearly

that the symptom depends on the lower mid-brain structures

We can understand that the derangement may be slight so as

to cause the nystagmus to have only the semblance of a slight

jerking to which it is reasonable to ascribe to the same mechanism

until there is evidence to the contrary Nystagmus accompanies

partial paralysis only when this has lasted for a time It must be

remembered that the impressions from the weakened muscle are

lessened and that they exert an influence on the centre

Moreover the tendency to alternate action seems sometimes to

be so partial as to involve individual muscles and in the oblique

movements in which two muscles take part the movements may

correspond to only one of them with its opponent The two eyes

act alike showing that the disorder is of structures above those for

the binocular connection We can conceive the complexity of the

arrangement but anatomy has not yet enabled us to localize or

unravel it

Among the influences that take part in balancing the lower

centres are those exerted by the labyrinth doubtless the semicir-

cular canals and their relation to equilibrium Increased pressure in

an exposed tympanic cavity and therefore the labyrinth causes

nystagmus the quicker movement being towards the other side

diminished pressure also causes it quick to the same side Brief

nystagmus follows rotation of the body and the injection of hot

or cold water or probing Disease on one side of the pons

abolishing conjugate movement the side diseased causes ener-

getic nystagmus on movement to the other side no doubt by

the loss of balance of the reflex structures

The subjective symptoms are often absent The oscillation of the

eyeballs must cause the image to move to and fro on the retina

but an apparent movement is confined to cases in which the

oscillation is wide and then only in the direction of the quicker

motion It is indeed hardly more than a tendency to move in the

same direction as the eyes as may be perceived by a voluntary

quick movement of the eyes to and fro Perhaps the tendency

to move is only the result of an after image which disappears in

the direction of motion There is no reason why there should be

apparent movement A movement of the eye with an opposite

and equal movement of the image on the retina gives the

impression that the object is still Enduring infantile nystagmus

is never attended by any sense of movement On the other

hand it is frequent in the nystagmus of miners and is not easy

to explain The ldquodancingrdquo of objects renders this form peculiarly

disabling

The practical importance of definite nystagmus is the evidence

it affords of organic disease visible or degenerative In such

a malady as disseminated sclerosis for instance with symptoms

easily misunderstood its indication is often of great service But it

is of small localising value except in showing disease in the cere-

bellum or medial mesial structures and a lesion outside the pons is

probably on the side towards which the chief nystagmic move-

ment takes place Slight nystagmus may be left by an old paralysis

of an ocular nerve which has quite passed away doubtless from

an enduring partial disturbance of balance in the reflex centre A

trifling nystagmus on certain trained movements may be conge-

nital but too rarely to be important

3188 | Brain 2012 135 3178ndash3188 M J Eadie et al

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Neurologyrsquo though Spillane (1891) suggested that it should be

regarded as neurologyrsquos lsquoNew Testamentrsquo

Enlarged second editions of the Manual of diseases of the ner-

vous systemrsquos two volumes appeared in 1892 and 1893 respect-

ively with a third edition of Volume 1 co-edited by Gowers and

James Taylor in 1899 (Fig 1) No third edition of Volume 2 ever

appeared though Gowersrsquo obituary in the British Medical Journal

erroneously stated that it had in 1899 (Anonymous 1915a)

Critchley (1949) in his biography of Gowers wrote that he had

seen a draft revision of a third edition of Volume 2 Critchleyrsquos

Plate IX illustrated page 555 of Volume 2 of the second edition

dealing with insular sclerosis On it Gowers had made handwrit-

ten alterations Years later McDonald (1986) when preparing for

his Gowers Memorial Lecture could not find the draft revision

and regretted that it was lsquosadly now missingrsquo

The lost revision of Volume 2 of the third edition of the Manual

of diseases of the nervous system was rediscovered at Queen

Square in 2008 Ann Scott was researching the background for

her biography of her grandfather Ernest Gowers (William Richard

Gowersrsquo son) who was Chairman of the Board of Governors of

Queen Square from 1946 to 1957 (Scott 2009) The Queen

Square Library had just taken over responsibility for the

Hospitalrsquos archives then uncatalogued and stored in cupboards

on one of the hospital corridors A preliminary search by Scott

and the librarian Louise Shepherd revealed an album of William

Richard Gowersrsquo holiday sketches When the library catalogued

the archives more of Gowersrsquo papers were discovered some in

a bundle amid other old documents The significance of this ma-

terial was not immediately recognized Later handwriting on it

was verified as that of Gowers by comparison with handwritten

letters bearing his signature

The present article discusses the rediscovered material the

changes Gowers intended for a third edition of Volume 2 of his

Manual of diseases of the nervous system and speculates on why

this volume was never published

The rediscovered materialNearly all of the papers in the bundle were groups of consecutive

single pages from the second edition of Volume 2 of the Manual

of diseases of the nervous system Each page was glued to the

left-hand side of a larger sheet of blank paper allowing written

alterations made from the right-hand margin of the existing

type to overflow onto the blank paper There were also two

sets of handwritten pages and a few fragments of pages some

containing handwriting some shorthand and one a combination

of both

One set of handwritten pages described the initial part of the

history of a patient with epilepsy Its content was almost identical

to the account of a subject (James S) described in Gowersrsquo

Hughlings Jackson lecture (1909) These pages contain internal

evidence of being written in 1904 or later and are not considered

further All of the remaining material except perhaps for a few of

the paper fragments appear relevant to a third edition of Gowersrsquo

Manual of diseases of the nervous system At least four copies of

Volume 2 of the second edition of the manual must have been

taken apart in preparation for a new edition since there were

two sets of pages 421 422 423 424 and 543 At some time

consecutive pages from Volume 2 must have been separated

into sections that largely corresponded to the bookrsquos chapters

or major parts of chapters Nearly always whole sections either

had survived intact or were absent Including the title page

and the index pages for nearly half the total text of Volume 2

of the second edition were present in the bundle Table 1 lists

the full set of chapters and section headings of this volume and

their corresponding page numbers The surviving pages and sec-

tions are highlighted in Table 1 Some of the surviving sections

were not annotated others contained handwritten alterations

in ink or rarely in ink superimposed on handwritten pencil

amendments The revised groups of pages are indicated in bold

type in Table 1

The groups of sheets of backing paper to which printed pages

had been glued all had one two or occasionally three perforations

presumably for binding devices towards their upper left hand cor-

ners This suggests that the bundle of pages had been taken apart

and reassembled probably more than once at various stages of its

existence

Figure 1 The title page of Volume 1 of the third edition of

Gowersrsquo Manual of diseases of the nervous system

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3179

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Gowersrsquo intended revisionsThe revisions fall into three classes as follows (i) removal of the

more speculative interpretations and redundant text (ii) insertion

of new material and (iii) general text shortening and simplifica-

tion Gowers deleted a considerable proportion of the section on

the motor nerve supply of the eyeballs its accompanying line

drawings and the associated references in the footnotes (Fig 2)

He removed details of the anatomy of the relevant nerves indi-

cating that this was described earlier in the volume but on page

168 added details of the innervation of the eyelids He crossed out

detailed material on patterns of abnormal eyeball position and

movement stating that these matters were now well covered in

textbooks of ophthalmology Interestingly this particular section

had been the only one singled out for detailed criticism by the

British Medical Journalrsquos reviewer of the second edition of

Volume 2 of the Manual of Diseases of the Nervous System

(Anonymous 1894) On page 180 he replaced the section on

isolated palsies of single external eye muscles with the following

account of congenital abnormalities that was not present in the

second edition

lsquoCongenital anomalies are not rare and sometimes entail diag-

nostic difficulty One eyeball amp ocular fissure may be a little

higher than the other amp it is very common for the upward

movement to be unequal in degree Sometimes some move-

ment is oblique instead of straight in one eye the left eye for

instance in looking horizontally to the right moves upwards as

well as inwards In these cases there is often also a difference in

level The fact that in congenital cases double vision can never

be found is an important aid to their recognitionrsquo

Gowers also deleted statements that by then were probably

considered inaccurate for example that partial paralysis of an

external eye muscle could cause nystagmus (p 171) He also

deleted certain case histories of his own patients and certain in-

terpretations of altered physiology that seem to have depended on

reasonable inference rather than established facts The entire sec-

tion on nystagmus was to be replaced with a handwritten account

inserted at the appropriate position in the papers

The earlier part of the second editionrsquos section on cerebral haem-

orrhage was missing In the remaining part Gowersrsquo deletions were

sporadic and minor or involved removing accounts of his own illus-

trative cases Similarly the deletions were trivial in the sections on

brain degeneration and disseminated sclerosis The overall tone of

what remained seemed slightly more conservative than in the se-

cond edition In the annotated parts dealing with narcolepsy hypo-

chondriasis and neurasthenia Gowersrsquo deletions were all minor

Throughout his revision Gowers made relatively short alter-

ations mainly elisions shortening the text Thus the sentence in

the second edition (p 400 Fig 3)

lsquothe enduring symptoms which persist after the initial stage is over

are due to local interference with the functions of the damaged part

of the brain and are determined by the situation of the lesionrsquo

became

lsquothe enduring symptoms due to destruction of tissue depend

on the situation of the lesionrsquo

The insertions Gowers proposed for the revised sections mainly

comprised short statements of new facts or new interpretations

For example that there was increasing evidence that particular

Table 1 Sections and corresponding page numbers for the second edition of Volume 2 of Gowersrsquo A manual of diseases ofthe nervous system

pp 1ndash137 Structure and function of the brain including symptoms of brain disease

pp 138ndash42 Olfactory nerve

pp 143ndash68 Optic nerve

pp 168ndash213 (Including a six-page inserted manuscript on nystagmus)mdashmotor nerves of the eyeball

pp 213ndash300 Cranial nerves v vi vii viii ix x part xi

circa pp 300ndash1 Accessory nerve (spinal part)

pp 302ndash93 Localization of cerebral disease disease of the membranes of the brain organic disease of the brain (anaemia hyperaemiapart of cerebral haemorrhage)

pp 394ndash426 Part of cerebral haemorrhage infarction

pp 421ndash62 Remainder of cerebrovascular disease

pp 462ndash540 Brain inflammations abscess tumours aneurysms

pp 541ndash90 Brain lsquodegenerationsrsquo disseminated sclerosis bulbar palsy hydrocephalus

pp 591ndash674 Chorea paralysis agitans wry-neck

pp 674ndash97 Tetanus

pp 698ndash710 Tetany

pp 710ndash94 Occupational neuroses epilepsy convulsions eclampsia vertigo

pp 794ndash836 Neuralgia migraine headache head sensations

pp 868ndash984 Facial hemiatrophy exophthalmic goitre paralysis after acute diseases diptheritic paralysis hydrophobia metal poisoningalcoholism

pp 984ndash1030 Hysteria

pp 1030ndash7 Hypnotism cataplexy trance or lethargy

pp 1038ndash50 Narcolepsy hypochondriasis and neurasthenia

Pages italicized are present in the surviving papers with those in bold type containing Gowersrsquo handwritten revisions

3180 | Brain 2012 135 3178ndash3188 M J Eadie et al

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eye movements were represented in particular cell groups within

the oculomotor nuclei in the brainstem and that the optic neur-

opathy of disseminated sclerosis progressed less rapidly than that

of tabes Such changes modernized the text though individually

none was of any great moment However there were two more

substantial insertions one lengthy the other brief and both of

interest

More major changesPages 207 to 210 of Volume 2 of the second edition were absent

from the material that survived but were obviously to be replaced

by a new handwritten account of nystagmus (Fig 4) transcribed

in Appendix I The revision is better organized and lacks the per-

sonal case material of the earlier version It may not have been at

Figure 2 Gowersrsquo alterations to the text and deletion of the line drawing made on page 182 of Volume 2 second edition of his Manual of

diseases of the nervous system There is a single binder hole high in the left hand corner of the sheet Image courtesy of the Queen Square

Library Archive and Museum Copyright National Hospital for Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3181

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ecember 2021

final draft stage for it seems less polished than Gowersrsquo usual

accounts There is more on Gowersrsquo proposed pathophysiology

of nystagmus centred on the hypothesis that the phenomenon

results from disturbed reciprocal inhibition the mechanism

whereby an opposing muscle relaxes when its corresponding

prime mover contracts Sherrington had investigated this

phenomenon since 1893 and published a series of papers on it

including his 1897 Croonian lectures (Sherrington 1897) whose

full text became available in 1898 (Sherrington 1898) By 1899

Gowers knew of the role of the muscle spindles (Beevor wrote a

short section on the spindles at the end of the third edition of

Volume 1 of the Manual of diseases of the nervous system) and

Figure 3 Gowersrsquo annotations on page 401 dealing with cerebral haemorrhage with two perforation holes in the upper left hand corner

Image courtesy of the Queen Square Library Archive and Museum Copyright National Hospital for Neurology amp Neurosurgery London

3182 | Brain 2012 135 3178ndash3188 M J Eadie et al

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that they did lsquonot present the same aspect in the ocular muscles as

in othersrsquo Gowers suggested that nerve impulses from the ten-

dons of the external eye muscles travelled via the fifth cranial

nerve to the brainstem to act on neurons in the external eye

muscle nuclei thus providing the anatomical background for his

interpretation of the mechanism of nystagmus In the second edi-

tion of the Manual of diseases of the nervous system Gowers had

suggested that nystagmus arose from various sites in the CNS

including the spinal cord For the third edition he limited the

neural sites of origin of nystagmus to the brainstem and cerebel-

lum and the labyrinth Gowersrsquo new account provided a major

revision of the topic It showed that he had kept abreast of ad-

vances in physiology and could utilize these advances to develop

new explanations for disease phenomena

The second significant alteration proposed for Volume 2 ap-

peared at two separate places in the surviving material On

Figure 4 The first page of the new handwritten account of nystagmus with a single circular binder hole in an intermediate position in the

upper left-hand corner of the page Image courtesy of the Queen Square Library Archive and Museum Copyright National Hospital for

Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3183

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icoupcombrainarticle135103178295520 by guest on 30 D

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page 573 Gowers had written the single word lsquomyastheniarsquo

beside the heading lsquochronic bulbar paralysis without anatomical

changersquo which referred to an entity described by Shaw (1890)

Gowers did not mention that Wilks (1877) had even earlier

recorded a similar instance which some subsequent authors

claimed may have been the first description of myasthenia

However as pointed out by Keynes (1961) Thomas Willis

(1683) had much earlier given a convincing description of myas-

thenia in the case of

lsquoan honest Woman who for many years has been obnoxious to

this sort of spurious Palsie not only in her Members but also in

her tongue she for some time can speak freely and readily

enough but after she has spoke long or hastily or eagerly

she is not able to speak a word but becomes as mute as a

Fish nor can she recover the use of her voice under an hour

or tworsquo

In addition to Gowersrsquo insertion of the single word lsquomyastheniarsquo

on page 573 there was attached to page 190 of Volume 2 in the

margin beside the subsection on diphtheritic paralysis of eye

movements a handwritten paragraph on myasthenia reading

lsquoMyastheniamdashin this mysterious malady (qv) weakness of the

ocular muscles is not rare The superior recti suffer most in

association with the levator amp orbicularis the inferior recti

least The affection of the lateral muscles varies much amp differs

even in those that act togetherrsquo

The lsquo(qv)rsquo suggests that there was to be a fuller account of the

disorder elsewhere in the new edition but none was found in the

surviving pages

Myasthenia was not mentioned in the second edition of

Gowersrsquo Manual of diseases of the nervous system

English-speaking neurology seems to have largely been unaware

of myasthenia until the last 2 or 3 years of the 19th century

though German authors were aware of the entity in the 1880s

(Keynes 1961) In March 1900 Gowersrsquo colleague Thomas

Buzzard described two cases seen at Queen Square Their diagno-

sis had been suggested by his house physician Edwin Bramwell

who at lsquoa foreign clinicrsquo had seen the disorder diagnosed Also

in 1900 Campbell and Bramwell published a major review of the

topic in Brain

On pages 235ndash6 of Volume 7 of Allbuttrsquos System of medicine

(1899) Beevor delved into the literature on lsquobulbar paralysis with-

out apparent anatomical changesrsquo without mentioning lsquomyasthe-

niarsquo The word did not appear in the index of that

particular volume However the general index to Allbuttrsquos

System of medicine in Volume 8 (also published in 1899) con-

tained the words lsquomyasthenia gravisrsquo (referring to page vii 236

ie to Beevorrsquos contribution where the words were not present)

This also suggests that British neurology became generally

aware of myasthenia in 1899 In 1902 Gowers described a

total of four cases of myasthenia in papers in consecutive

issues of the British Medical Journal (Gowers 1902a b)

There he rejected the idea that Wilks had described the disorder

in 1877

DiscussionThere is little doubt that though others failed to find it in the

interval a substantial part of the revised text for the third edition

of Volume 2 of Gowersrsquo Manual of Diseases of the Nervous

System with proposed revisions made in Gowersrsquo handwriting

has been rediscovered some six decades after Critchley (1949)

last recorded having seen it The identity of page 555 (Fig 5) of

the rediscovered material and the page that Critchley (1949) illu-

strated makes it virtually certain that the set of pages recently

found at Queen Square is that which Critchley saw

Unfortunately a little over half of the original text of Volume 2

is missing

How did the material come intoCritchleyrsquos handsJames Taylor (1859ndash1946) the disciple and friend of both

Hughlings Jackson and Gowers was responsible for compiling

Hughlings Jacksonrsquos Neurological fragments (1925) editing his

Selected writings (1931) and co-editing Volume 1 of the third

edition of Gowersrsquo Manual of diseases of the nervous system It

seems likely that he was also to have been joint editor of Volume

2 of the third edition of the manual though Gowers would have

played the leading role in the writing Possibly Taylor and Gowers

each received a set of second edition pages prepared for revision

and Gowersrsquo annotated set came into Taylorrsquos hands later and at

some stage found its way to Queen Square In his preface to

Gowersrsquo biography Critchley (1949) acknowledged the assistance

he received from Mrs James Taylor and an etching lsquoThe mouth of

the lynrsquo by Gowers reproduced in the biography (Plate X facing

p 88) was loaned to him by Taylorrsquos daughter The revised sheets

may have been given to Critchley by Mrs Taylor It would explain

the duplicates of a few pages of the manual in the surviving

material

Why was the revision never completedand publishedThe existence of a significant part of the revised text of Volume 2

of the Manual of diseases of the nervous system raises the ques-

tion as to why the work was never published When Volume 1 of

the first edition appeared its readers were told that Volume 2 was

in press When Volume 1 of the second edition appeared readers

were reassured that Volume 2 would soon be ready No assur-

ances were given regarding to the appearance of Volume 2 of the

third edition when Volume 1 was published

Work on Volume 2 of a third edition appears to have begun

with the cooperation of J amp A Churchill Gowersrsquo revisions were

written partly on the larger sheets of paper to which pages from

the second edition were glued Such sheets were the sort of ma-

terials that Churchillrsquos successor the firm of Churchill-Livingstone

provided to its authors for revising a book in the days before word

processing Gowersrsquo written changes show that he had made a

serious attempt to modernize and shorten the text of Volume 2

Why he chose to shorten it and omit case histories is unclear

3184 | Brain 2012 135 3178ndash3188 M J Eadie et al

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Gowers and Taylor had expanded the text of Volume 1 of the

third edition from 616 to 692 pages Comparison of some random

sections of the second and third editions of Volume 1 (those on

sciatica acute ascending paralysis ataxic paraplegia and

Thomsenrsquos disease and paramyotonia) show no attempt to carry

out the editorial style shortenings of text that Gowers apparently

intended for Volume 2 of the third edition

Critchley (1949) wrote that Gowers suffered a breakdown in

health in 1894 suffering severe back pain which Gowers later

hinted was lsquolumbagorsquo (Gowers 1904) He went on a voyage to

South Africa and back to recuperate returning lsquowith the second

edition of his Manual re-written corrected and ready for the

pressrsquo (Critchley 1949 p 93) We now know that he went to

South Africa in 1898 not 1894 (Scott et al 2012) It must there-

fore have been the third edition of Volume 1 that Gowers worked

on during the voyage Possibly when unwell Gowers may have

allowed what he considered reasonably satisfactory material from

the earlier edition of Volume 1 to remain unaltered Later perhaps

in better health he was more radical in revising Volume 2

Gowers probably worked on the revision of Volume 2 in the

1898ndash1900 period On page 1040 of the second edition despite

making alterations he left unchanged a statement to the effect

that hypochondriasis had been recognized only in the early years

of the present century This suggests that he was writing before

1901 Furthermore in his new section on nystagmus he made

substantial use of Sherringtonrsquos concept of reciprocal inhibition

an idea he probably would have become aware of around 1898

or slightly earlier

Could poor health have prevented Gowers from completing the

revision of Volume 2 in which he would almost certainly have

been the dominant partner On medical advice to reduce his

workload he gave up editing his pet project the Phonographic

Record of Clinical Teaching and Medical Science in 1899

However he published several major papers between 1899 and

Figure 5 Page 555 of Volume 2 of the second edition of the Manual of diseases of the nervous system part of the section dealing with

insular (disseminated) sclerosis This page was reproduced by Critchley (1949) as Plate X in his biography of Gowers but the upper part of

the page was cropped so that the two irregular binder holes did not show Image courtesy of the Queen Square Library Archive and

Museum Copyright National Hospital for Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3185

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1900 In 1901 he produced a second edition of his monograph

Epilepsy and other chronic convulsive diseases which included his

analysis of his records of 3000 patients Although Foster Kennedy

wrote in 1908 that Gowers was lsquobreaking up badlyrsquo (Butterfield

1981) his book The borderland of epilepsy appeared in 1909 On

the whole declining health does not seem a sufficient explanation

for Gowersrsquo failure to complete the third edition although it may

have contributed

Gowersrsquo Lancet obituary (Anonymous 1915b) mentioned that

he had contemplated producing a single volume shortened version

of the Manual of diseases of the nervous system omitting ana-

tomical and physiological material This possibility may have

diverted him from his revision for the third edition but if so nei-

ther project ever came to fruition whereas other subsequent

major publications from his pen did Also there had been an

American single volume 1357mdashpage version of the first edition

of the Manual of diseases of the nervous system and its format

had been criticized for being lsquoexceedingly clumsyrsquo (BS 1888)

Critchley (1949) suggested that sales of the third edition of

Volume 1 of the Manual of diseases of the nervous system pub-

lished in 1899 may have been adversely affected because

Macmillan brought out Volumes 7 and 8 of Allbuttrsquos System of

medicine in the same year These volumes contained the full

multi-authored neurological content of the System of medicine

Perhaps this is the explanation though it seems unlikely that as

early as 1900 poor sales of Volume 1 which had been published

only in the previous year would have been sufficiently evident to

cause further work on Volume 2 to be abandoned Also three

reviews of Volume 1 (Anonymous 1899a b c) in the British

Medical Journal Lancet and Journal of the American Medical

Association were highly favourable

Volume 7 of Allbuttrsquos System of medicine contained Gowersrsquo

account of epilepsy (Gowers 1899a) and Taylorrsquos chapters on

lsquoThe cerebral palsies of childrenrsquo (Taylor 1899a) and lsquoOcclusion

of cerebral vesselsrsquo (Taylor 1899b) Gowers had annotated the

text relating to Taylorrsquos latter topic for the third edition of the

Manual of diseases of the nervous system before his revising ap-

peared to cease Allbuttrsquos Volume 8 contained Gowersrsquo account of

paralysis agitans in which he developed his ideas relating to stress

as a triggering factor (Gowers 1899b) These recently available

accounts in a work produced by one publisher and written by the

authors of Gowersrsquo Manual of diseases of the nervous system

dealt with substantial topics that would have had to be considered

in Volume 2 of a new edition of the manual (with its different

publisher) This situation may have produced copyright or other

commercial issues Whether such matters explain why a third edi-

tion of Volume 2 of the Manual of diseases of the nervous system

never appeared can now be only a matter for conjecture

However the timing and Gowers apparent abandoning his revi-

sion part of the way through the task are consistent with this

possibility Whatever happened then relations between Gowers

Taylor and J amp A Churchill seem to have remained amicable As

well as the second edition of Gowersrsquo Epilepsy and other chronic

convulsive diseases in 1901 Churchill brought out his The

borderland of epilepsy in 1909 and Taylorrsquos Paralysis and other

diseases of the nervous system in childhood and early life in

1905

The real reason for Volume 2 of the third edition of Gowersrsquo

masterpiece never appearing may forever remain uncertain but

evidence is again available in the archives at the National

Hospital for Neurology and Neurosurgery at Queen Square that

he had gone some distance towards completing what was possibly

his only unfinished major project

ReferencesAllbutt TC A system of medicine by many writers Vol 7 and 8 London

Macmillan 1899

Anonymous A manual of diseases of the nervous system In WR

Gowers MD FRS editors 2nd edn Vol II London J amp A

Churchill 1893 BMJ 1894 1 246ndash7

Anonymous A manual of diseases of the nervous system By Sir W

Gowers MD FRCP FRS Edited by Sir W R Gowers and James Taylor

MA MD FRCP JAMA 1899a 33 744ndash5

Anonymous A manual of diseases of the nervous system In Sir William

Gowers MD FRCPLond FRS 3rd edn Sir William Gowers and James

Taylor MA MD Edin FRCP Lond Vol 1 Lancet 1899b 1 698ndash9

Anonymous A manual of the diseases of the nervous system Vol 1 In

Gowers WR editor Diseases of the nerves and spinal cord James

Taylor BMJ 1899c 1 737ndash8

Anonymous Obituary Sir William Gowers MD FRCP FRS BMJ 1915a

1 828ndash30

Anonymous Obituary Sir William Gowers MD Lond and Dub FRCP

Lond LLD Edin FRS Lancet 1915b 1 1055ndash6

BS Reviews A manual of diseases of the nervous system In Gowers

WR FRCP American Edition with 341 illustrations P Blakiston Son amp

Co 1888 J Nerv Ment Dis 1888 13 325ndash7

Butterfield EK The making of a neurologist the letters of Foster Kennedy

1884ndash1952 to his wife Cambridge Privately published 1981

Buzzard T Clinical lecture on cases of myasthenia gravis

pseudo-paralytica BMJ 1990 1 493ndash6

Campbell H Bramwell E Myasthenia gravis Brain 1900 23 277ndash336

Critchley M Sir William Gowers 1845ndash1915 A biographical appreciation

London Heinemann 1949

Gowers Sir W Epilepsy In Allbutt TC editor A system of medicine by

many writers Vol 7 London Macmillan 1899a p 758ndash97

Gowers WR A manual of diseases of the nervous system 1st edn 1886

1888 Vols 1 and 2 2nd edn 1892 amp 1893 3rd edn (Taylor J

co-editor) Vol 1 London J amp A Churchill 1899Gowers WR Paralysis agitans In Allbutt TC editor A system of

medicine by many writers Vol 8 London Macmillan 1899b

p 73ndash82

Gowers WR Epilepsy and other chronic convulsive diseases 2nd edn

London J amp A Churchill 1901

Gowers WR Remarks on myasthenia and ophthalmoplegia BMJ 1902

1 1253ndash6

Gowers WR Further remarks on myasthenia BMJ 1902 1 1323ndash4Gowers WR A lecture on lumbago its lessons and analogues BMJ

1904 1 117ndash21

Gowers WR The borderland of epilepsy London Churchill 1907Gowers WR The Hughlings-Jackson lecture on special sense discharges

from organic disease Brain 1909 32 303ndash26Hughlings Jackson J Neurological fragments Humphrey Milford

London Oxford University Press 1925Hughlings Jackson J In Taylor J editor Selected writings of

John Hughlings Jackson Vol 1ndash2 London Hodder amp Stoughton

1931

Keynes G The history of myasthenia gravis Med Hist 1961 5 313ndash26McDonald WI The mystery of the origin of multiple sclerosis J Neurol

Neurosurg Psychiatr 1986 49 113ndash23Scott A Ernest Gowers plain words and forgotten deeds Basingstoke

Palgrave Macmillan 2009

3186 | Brain 2012 135 3178ndash3188 M J Eadie et al

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Scott A Eadie MJ Lees A Sir William Gowers (1845ndash1915) exploring

the Victorian brain Oxford Oxford University Press 2012Shaw LE A case of bulbar paralysis without structural changes in the

medulla Brain 1890 13 96ndash9

Sherrington CS Croonian lecturesmdashthe mammalian spinal cord as an

organ of reflex action Abstract Phil Trans 1897 61 220ndash1

Sherrington CS Experiments in examination of the peripheral distributionof the fibres of the posterior roots of some spinal nerves Part II Phil

Trans 1898 190 45ndash186

Spillane JD The doctrine of the nerves Oxford Oxford University Press

1891

Taylor J The cerebral palsies of children In Allbutt TC editor A system

of medicine by many writers London Macmillan 1899a p 735ndash44Taylor J Occlusion of cerebral vessels In Allbutt TC editor A system of

medicine by many writers London Macmillan 1899b p 560ndash76

Taylor J Paralysis and other diseases of the nervous system in childhood

and early life London J amp A Churchill 1905Wilks S On cerebritis hysteria and bulbar paralysis as illustrative of

arrest of function of the cerebrospinal centres Guyrsquos Hosp Rep

1877 22 7ndash55

Willis T In Pordage S translator Two discourses concerning the soul of

brutes which is that of the vital and sensitive of man London Dring

Harper and Leigh 1683

Appendix I

NystagmusNystagmus is an oscillation of the eyeballs rarely of one only due

to an alternate contraction of the opposing muscles They should

act together the opponent supporting yet yielding to the acting

muscle The alternation causes a to and fro movement usually of

both eyes and synchronous It occurs on voluntary movement but

sometimes goes on in the mid position In the direction in which

the will acts the movement is more rapid than in the return It may

recur on movement in any direction or only in one In the hor-

izontal movements it is usually greater in the outward moving

eye which is the more important Sometimes the motion is rota-

tory amp then is slight and often unilateralmdashthe degree of move-

ment varies much a slight jerking may attend defective power

after it has rested for some time and has been thought to be

different in nature from the pronounced oscillation but this is

uncertain The motion sometimes varies in degree even under

observation Usually uniform a considerable movement sometimes

separates two or three smaller jerks Its time varies and is the

more rapid the smaller the range of movement roughly speaking

the double movement occurs from 80 to 180 per minute Other

features will be considered presently

From the common form the acquired nystagmus of central

disease two other varieties may be distinguished which are

important in connection with its origin An infantile form begins

in the first month of life Sometimes it is associated with a similar

alternate contraction of the muscles of the head and neck causing

nodding movements More commonly it develops when there is a

condition lessening the amount of light which enters the eye such

as a superficial disease of any kind It also occurs in albinism when

the amount of light is in excess Thus there is an abnormal

amount of light during the time when the child acquires the

power of fixing a light a process in which a reflex action on the

muscles takes an important share This form consists of an

alternate action of the same rate there is not the quicker

motion in the direction of volition

Minerrsquos nystagmus develops in those who have worked for

years in getting coal lying in a constrained position with the

head inclined It occurs especially in badly lighted mines and is

disposed to by defects of general health and alcoholism It is

often rotatory

The common form results from organic disease or degeneration

near or in the mid-brain pons or cerebellum It is not met with in

disease of the cerebral hemisphere above the central ganglia

rarely from disease in these chiefly the optic thalamus It may

be caused by affections of the labyrinth of the ear that induce

vertigo an important fact in connection with the influence of

cerebellar disease in causing it

Pathology The slighter degrees of nystagmus may develop into

those that are considerable and in these there is a deliberate

alternation of the opposing muscles This is apparently the result

of an excessive activity of the muscle-reflex action between reci-

procal muscles We cannot doubt that there are structures that

subserve this action in the nuclei of the ocular nerves analogous

to those that exist in the spinal cord Sherrington has obtained in

the latter a similar insubordination by cutting off the voluntary

impulse The same alternate movement occurs and he has proved

that the arrest of action in one muscle followed by a contraction

in the opponent is due to an afferent nerve impulse produced by

the extension of the latter which inhibits the spinal centre for the

former and is followed by activity of its own centre Thus the

same effect is produced and the alternation goes on The resem-

blance to nystagmus is perfect In this the acting muscles say

those moving the eyes to the right contract under the will but

just before they reach the limit of movement they suddenly relax

from central inhibition their opponents the left-sided muscles

contract and the eyes move back rather more slowly but just

before reaching the mid-position they are in turn arrested and a

quicker action of the right sided muscles again moves the eyes to

the right

The structures (muscle-spindles) which are believed to be sen-

sitive to tension do not present the same aspect in the ocular

muscles as in others but their tendons present sensitive neural

structures and the fact that a twig from each muscle nerve

passes to the fifth nerve shows that afferent impulses must arise

in them they doubtless pass to the highest cells of the fifth

nucleus adjacent to the motor nuclei But the muscle-reflex alter-

nation is not produced by a defect in the volitional impulse as in

the spinal centre Its causes are such as may disturb the balance of

the mid-brain structures which subserve all ocular reflex action

and also the association of the two eyes The structural arrange-

ment for the alternation of opposing ocular muscles must be ren-

dered insubordinate with readiness as is shown by the readiness

by which it becomes excessive in infantile nystagmus from a mere

disproportion in the amount of light This must act on the same

centre as far as concerns its influence on the ocular muscles and

enables us to understand that dim lighting is an element in causing

the minerrsquos form

Nystagmus when in moderate degree only occurs on voluntary

movement of the eyes it is absent at rest in the midposition The

reflex alternation is present only when the centre is energised by

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the volitional impulse But the latter causes the movement to be

quicker in the direction of volition In time the nystagmus in a

certain direction may attain such a degree that it continues when

the will is not acting and even in opposition to the will eg the

quick motion to the right may persist in the mid-position on

upward and downward movements and even during half the

movement of the eyes to the left These features show clearly

that the symptom depends on the lower mid-brain structures

We can understand that the derangement may be slight so as

to cause the nystagmus to have only the semblance of a slight

jerking to which it is reasonable to ascribe to the same mechanism

until there is evidence to the contrary Nystagmus accompanies

partial paralysis only when this has lasted for a time It must be

remembered that the impressions from the weakened muscle are

lessened and that they exert an influence on the centre

Moreover the tendency to alternate action seems sometimes to

be so partial as to involve individual muscles and in the oblique

movements in which two muscles take part the movements may

correspond to only one of them with its opponent The two eyes

act alike showing that the disorder is of structures above those for

the binocular connection We can conceive the complexity of the

arrangement but anatomy has not yet enabled us to localize or

unravel it

Among the influences that take part in balancing the lower

centres are those exerted by the labyrinth doubtless the semicir-

cular canals and their relation to equilibrium Increased pressure in

an exposed tympanic cavity and therefore the labyrinth causes

nystagmus the quicker movement being towards the other side

diminished pressure also causes it quick to the same side Brief

nystagmus follows rotation of the body and the injection of hot

or cold water or probing Disease on one side of the pons

abolishing conjugate movement the side diseased causes ener-

getic nystagmus on movement to the other side no doubt by

the loss of balance of the reflex structures

The subjective symptoms are often absent The oscillation of the

eyeballs must cause the image to move to and fro on the retina

but an apparent movement is confined to cases in which the

oscillation is wide and then only in the direction of the quicker

motion It is indeed hardly more than a tendency to move in the

same direction as the eyes as may be perceived by a voluntary

quick movement of the eyes to and fro Perhaps the tendency

to move is only the result of an after image which disappears in

the direction of motion There is no reason why there should be

apparent movement A movement of the eye with an opposite

and equal movement of the image on the retina gives the

impression that the object is still Enduring infantile nystagmus

is never attended by any sense of movement On the other

hand it is frequent in the nystagmus of miners and is not easy

to explain The ldquodancingrdquo of objects renders this form peculiarly

disabling

The practical importance of definite nystagmus is the evidence

it affords of organic disease visible or degenerative In such

a malady as disseminated sclerosis for instance with symptoms

easily misunderstood its indication is often of great service But it

is of small localising value except in showing disease in the cere-

bellum or medial mesial structures and a lesion outside the pons is

probably on the side towards which the chief nystagmic move-

ment takes place Slight nystagmus may be left by an old paralysis

of an ocular nerve which has quite passed away doubtless from

an enduring partial disturbance of balance in the reflex centre A

trifling nystagmus on certain trained movements may be conge-

nital but too rarely to be important

3188 | Brain 2012 135 3178ndash3188 M J Eadie et al

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Gowersrsquo intended revisionsThe revisions fall into three classes as follows (i) removal of the

more speculative interpretations and redundant text (ii) insertion

of new material and (iii) general text shortening and simplifica-

tion Gowers deleted a considerable proportion of the section on

the motor nerve supply of the eyeballs its accompanying line

drawings and the associated references in the footnotes (Fig 2)

He removed details of the anatomy of the relevant nerves indi-

cating that this was described earlier in the volume but on page

168 added details of the innervation of the eyelids He crossed out

detailed material on patterns of abnormal eyeball position and

movement stating that these matters were now well covered in

textbooks of ophthalmology Interestingly this particular section

had been the only one singled out for detailed criticism by the

British Medical Journalrsquos reviewer of the second edition of

Volume 2 of the Manual of Diseases of the Nervous System

(Anonymous 1894) On page 180 he replaced the section on

isolated palsies of single external eye muscles with the following

account of congenital abnormalities that was not present in the

second edition

lsquoCongenital anomalies are not rare and sometimes entail diag-

nostic difficulty One eyeball amp ocular fissure may be a little

higher than the other amp it is very common for the upward

movement to be unequal in degree Sometimes some move-

ment is oblique instead of straight in one eye the left eye for

instance in looking horizontally to the right moves upwards as

well as inwards In these cases there is often also a difference in

level The fact that in congenital cases double vision can never

be found is an important aid to their recognitionrsquo

Gowers also deleted statements that by then were probably

considered inaccurate for example that partial paralysis of an

external eye muscle could cause nystagmus (p 171) He also

deleted certain case histories of his own patients and certain in-

terpretations of altered physiology that seem to have depended on

reasonable inference rather than established facts The entire sec-

tion on nystagmus was to be replaced with a handwritten account

inserted at the appropriate position in the papers

The earlier part of the second editionrsquos section on cerebral haem-

orrhage was missing In the remaining part Gowersrsquo deletions were

sporadic and minor or involved removing accounts of his own illus-

trative cases Similarly the deletions were trivial in the sections on

brain degeneration and disseminated sclerosis The overall tone of

what remained seemed slightly more conservative than in the se-

cond edition In the annotated parts dealing with narcolepsy hypo-

chondriasis and neurasthenia Gowersrsquo deletions were all minor

Throughout his revision Gowers made relatively short alter-

ations mainly elisions shortening the text Thus the sentence in

the second edition (p 400 Fig 3)

lsquothe enduring symptoms which persist after the initial stage is over

are due to local interference with the functions of the damaged part

of the brain and are determined by the situation of the lesionrsquo

became

lsquothe enduring symptoms due to destruction of tissue depend

on the situation of the lesionrsquo

The insertions Gowers proposed for the revised sections mainly

comprised short statements of new facts or new interpretations

For example that there was increasing evidence that particular

Table 1 Sections and corresponding page numbers for the second edition of Volume 2 of Gowersrsquo A manual of diseases ofthe nervous system

pp 1ndash137 Structure and function of the brain including symptoms of brain disease

pp 138ndash42 Olfactory nerve

pp 143ndash68 Optic nerve

pp 168ndash213 (Including a six-page inserted manuscript on nystagmus)mdashmotor nerves of the eyeball

pp 213ndash300 Cranial nerves v vi vii viii ix x part xi

circa pp 300ndash1 Accessory nerve (spinal part)

pp 302ndash93 Localization of cerebral disease disease of the membranes of the brain organic disease of the brain (anaemia hyperaemiapart of cerebral haemorrhage)

pp 394ndash426 Part of cerebral haemorrhage infarction

pp 421ndash62 Remainder of cerebrovascular disease

pp 462ndash540 Brain inflammations abscess tumours aneurysms

pp 541ndash90 Brain lsquodegenerationsrsquo disseminated sclerosis bulbar palsy hydrocephalus

pp 591ndash674 Chorea paralysis agitans wry-neck

pp 674ndash97 Tetanus

pp 698ndash710 Tetany

pp 710ndash94 Occupational neuroses epilepsy convulsions eclampsia vertigo

pp 794ndash836 Neuralgia migraine headache head sensations

pp 868ndash984 Facial hemiatrophy exophthalmic goitre paralysis after acute diseases diptheritic paralysis hydrophobia metal poisoningalcoholism

pp 984ndash1030 Hysteria

pp 1030ndash7 Hypnotism cataplexy trance or lethargy

pp 1038ndash50 Narcolepsy hypochondriasis and neurasthenia

Pages italicized are present in the surviving papers with those in bold type containing Gowersrsquo handwritten revisions

3180 | Brain 2012 135 3178ndash3188 M J Eadie et al

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eye movements were represented in particular cell groups within

the oculomotor nuclei in the brainstem and that the optic neur-

opathy of disseminated sclerosis progressed less rapidly than that

of tabes Such changes modernized the text though individually

none was of any great moment However there were two more

substantial insertions one lengthy the other brief and both of

interest

More major changesPages 207 to 210 of Volume 2 of the second edition were absent

from the material that survived but were obviously to be replaced

by a new handwritten account of nystagmus (Fig 4) transcribed

in Appendix I The revision is better organized and lacks the per-

sonal case material of the earlier version It may not have been at

Figure 2 Gowersrsquo alterations to the text and deletion of the line drawing made on page 182 of Volume 2 second edition of his Manual of

diseases of the nervous system There is a single binder hole high in the left hand corner of the sheet Image courtesy of the Queen Square

Library Archive and Museum Copyright National Hospital for Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3181

Dow

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ecember 2021

final draft stage for it seems less polished than Gowersrsquo usual

accounts There is more on Gowersrsquo proposed pathophysiology

of nystagmus centred on the hypothesis that the phenomenon

results from disturbed reciprocal inhibition the mechanism

whereby an opposing muscle relaxes when its corresponding

prime mover contracts Sherrington had investigated this

phenomenon since 1893 and published a series of papers on it

including his 1897 Croonian lectures (Sherrington 1897) whose

full text became available in 1898 (Sherrington 1898) By 1899

Gowers knew of the role of the muscle spindles (Beevor wrote a

short section on the spindles at the end of the third edition of

Volume 1 of the Manual of diseases of the nervous system) and

Figure 3 Gowersrsquo annotations on page 401 dealing with cerebral haemorrhage with two perforation holes in the upper left hand corner

Image courtesy of the Queen Square Library Archive and Museum Copyright National Hospital for Neurology amp Neurosurgery London

3182 | Brain 2012 135 3178ndash3188 M J Eadie et al

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ecember 2021

that they did lsquonot present the same aspect in the ocular muscles as

in othersrsquo Gowers suggested that nerve impulses from the ten-

dons of the external eye muscles travelled via the fifth cranial

nerve to the brainstem to act on neurons in the external eye

muscle nuclei thus providing the anatomical background for his

interpretation of the mechanism of nystagmus In the second edi-

tion of the Manual of diseases of the nervous system Gowers had

suggested that nystagmus arose from various sites in the CNS

including the spinal cord For the third edition he limited the

neural sites of origin of nystagmus to the brainstem and cerebel-

lum and the labyrinth Gowersrsquo new account provided a major

revision of the topic It showed that he had kept abreast of ad-

vances in physiology and could utilize these advances to develop

new explanations for disease phenomena

The second significant alteration proposed for Volume 2 ap-

peared at two separate places in the surviving material On

Figure 4 The first page of the new handwritten account of nystagmus with a single circular binder hole in an intermediate position in the

upper left-hand corner of the page Image courtesy of the Queen Square Library Archive and Museum Copyright National Hospital for

Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3183

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icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

page 573 Gowers had written the single word lsquomyastheniarsquo

beside the heading lsquochronic bulbar paralysis without anatomical

changersquo which referred to an entity described by Shaw (1890)

Gowers did not mention that Wilks (1877) had even earlier

recorded a similar instance which some subsequent authors

claimed may have been the first description of myasthenia

However as pointed out by Keynes (1961) Thomas Willis

(1683) had much earlier given a convincing description of myas-

thenia in the case of

lsquoan honest Woman who for many years has been obnoxious to

this sort of spurious Palsie not only in her Members but also in

her tongue she for some time can speak freely and readily

enough but after she has spoke long or hastily or eagerly

she is not able to speak a word but becomes as mute as a

Fish nor can she recover the use of her voice under an hour

or tworsquo

In addition to Gowersrsquo insertion of the single word lsquomyastheniarsquo

on page 573 there was attached to page 190 of Volume 2 in the

margin beside the subsection on diphtheritic paralysis of eye

movements a handwritten paragraph on myasthenia reading

lsquoMyastheniamdashin this mysterious malady (qv) weakness of the

ocular muscles is not rare The superior recti suffer most in

association with the levator amp orbicularis the inferior recti

least The affection of the lateral muscles varies much amp differs

even in those that act togetherrsquo

The lsquo(qv)rsquo suggests that there was to be a fuller account of the

disorder elsewhere in the new edition but none was found in the

surviving pages

Myasthenia was not mentioned in the second edition of

Gowersrsquo Manual of diseases of the nervous system

English-speaking neurology seems to have largely been unaware

of myasthenia until the last 2 or 3 years of the 19th century

though German authors were aware of the entity in the 1880s

(Keynes 1961) In March 1900 Gowersrsquo colleague Thomas

Buzzard described two cases seen at Queen Square Their diagno-

sis had been suggested by his house physician Edwin Bramwell

who at lsquoa foreign clinicrsquo had seen the disorder diagnosed Also

in 1900 Campbell and Bramwell published a major review of the

topic in Brain

On pages 235ndash6 of Volume 7 of Allbuttrsquos System of medicine

(1899) Beevor delved into the literature on lsquobulbar paralysis with-

out apparent anatomical changesrsquo without mentioning lsquomyasthe-

niarsquo The word did not appear in the index of that

particular volume However the general index to Allbuttrsquos

System of medicine in Volume 8 (also published in 1899) con-

tained the words lsquomyasthenia gravisrsquo (referring to page vii 236

ie to Beevorrsquos contribution where the words were not present)

This also suggests that British neurology became generally

aware of myasthenia in 1899 In 1902 Gowers described a

total of four cases of myasthenia in papers in consecutive

issues of the British Medical Journal (Gowers 1902a b)

There he rejected the idea that Wilks had described the disorder

in 1877

DiscussionThere is little doubt that though others failed to find it in the

interval a substantial part of the revised text for the third edition

of Volume 2 of Gowersrsquo Manual of Diseases of the Nervous

System with proposed revisions made in Gowersrsquo handwriting

has been rediscovered some six decades after Critchley (1949)

last recorded having seen it The identity of page 555 (Fig 5) of

the rediscovered material and the page that Critchley (1949) illu-

strated makes it virtually certain that the set of pages recently

found at Queen Square is that which Critchley saw

Unfortunately a little over half of the original text of Volume 2

is missing

How did the material come intoCritchleyrsquos handsJames Taylor (1859ndash1946) the disciple and friend of both

Hughlings Jackson and Gowers was responsible for compiling

Hughlings Jacksonrsquos Neurological fragments (1925) editing his

Selected writings (1931) and co-editing Volume 1 of the third

edition of Gowersrsquo Manual of diseases of the nervous system It

seems likely that he was also to have been joint editor of Volume

2 of the third edition of the manual though Gowers would have

played the leading role in the writing Possibly Taylor and Gowers

each received a set of second edition pages prepared for revision

and Gowersrsquo annotated set came into Taylorrsquos hands later and at

some stage found its way to Queen Square In his preface to

Gowersrsquo biography Critchley (1949) acknowledged the assistance

he received from Mrs James Taylor and an etching lsquoThe mouth of

the lynrsquo by Gowers reproduced in the biography (Plate X facing

p 88) was loaned to him by Taylorrsquos daughter The revised sheets

may have been given to Critchley by Mrs Taylor It would explain

the duplicates of a few pages of the manual in the surviving

material

Why was the revision never completedand publishedThe existence of a significant part of the revised text of Volume 2

of the Manual of diseases of the nervous system raises the ques-

tion as to why the work was never published When Volume 1 of

the first edition appeared its readers were told that Volume 2 was

in press When Volume 1 of the second edition appeared readers

were reassured that Volume 2 would soon be ready No assur-

ances were given regarding to the appearance of Volume 2 of the

third edition when Volume 1 was published

Work on Volume 2 of a third edition appears to have begun

with the cooperation of J amp A Churchill Gowersrsquo revisions were

written partly on the larger sheets of paper to which pages from

the second edition were glued Such sheets were the sort of ma-

terials that Churchillrsquos successor the firm of Churchill-Livingstone

provided to its authors for revising a book in the days before word

processing Gowersrsquo written changes show that he had made a

serious attempt to modernize and shorten the text of Volume 2

Why he chose to shorten it and omit case histories is unclear

3184 | Brain 2012 135 3178ndash3188 M J Eadie et al

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Gowers and Taylor had expanded the text of Volume 1 of the

third edition from 616 to 692 pages Comparison of some random

sections of the second and third editions of Volume 1 (those on

sciatica acute ascending paralysis ataxic paraplegia and

Thomsenrsquos disease and paramyotonia) show no attempt to carry

out the editorial style shortenings of text that Gowers apparently

intended for Volume 2 of the third edition

Critchley (1949) wrote that Gowers suffered a breakdown in

health in 1894 suffering severe back pain which Gowers later

hinted was lsquolumbagorsquo (Gowers 1904) He went on a voyage to

South Africa and back to recuperate returning lsquowith the second

edition of his Manual re-written corrected and ready for the

pressrsquo (Critchley 1949 p 93) We now know that he went to

South Africa in 1898 not 1894 (Scott et al 2012) It must there-

fore have been the third edition of Volume 1 that Gowers worked

on during the voyage Possibly when unwell Gowers may have

allowed what he considered reasonably satisfactory material from

the earlier edition of Volume 1 to remain unaltered Later perhaps

in better health he was more radical in revising Volume 2

Gowers probably worked on the revision of Volume 2 in the

1898ndash1900 period On page 1040 of the second edition despite

making alterations he left unchanged a statement to the effect

that hypochondriasis had been recognized only in the early years

of the present century This suggests that he was writing before

1901 Furthermore in his new section on nystagmus he made

substantial use of Sherringtonrsquos concept of reciprocal inhibition

an idea he probably would have become aware of around 1898

or slightly earlier

Could poor health have prevented Gowers from completing the

revision of Volume 2 in which he would almost certainly have

been the dominant partner On medical advice to reduce his

workload he gave up editing his pet project the Phonographic

Record of Clinical Teaching and Medical Science in 1899

However he published several major papers between 1899 and

Figure 5 Page 555 of Volume 2 of the second edition of the Manual of diseases of the nervous system part of the section dealing with

insular (disseminated) sclerosis This page was reproduced by Critchley (1949) as Plate X in his biography of Gowers but the upper part of

the page was cropped so that the two irregular binder holes did not show Image courtesy of the Queen Square Library Archive and

Museum Copyright National Hospital for Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3185

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1900 In 1901 he produced a second edition of his monograph

Epilepsy and other chronic convulsive diseases which included his

analysis of his records of 3000 patients Although Foster Kennedy

wrote in 1908 that Gowers was lsquobreaking up badlyrsquo (Butterfield

1981) his book The borderland of epilepsy appeared in 1909 On

the whole declining health does not seem a sufficient explanation

for Gowersrsquo failure to complete the third edition although it may

have contributed

Gowersrsquo Lancet obituary (Anonymous 1915b) mentioned that

he had contemplated producing a single volume shortened version

of the Manual of diseases of the nervous system omitting ana-

tomical and physiological material This possibility may have

diverted him from his revision for the third edition but if so nei-

ther project ever came to fruition whereas other subsequent

major publications from his pen did Also there had been an

American single volume 1357mdashpage version of the first edition

of the Manual of diseases of the nervous system and its format

had been criticized for being lsquoexceedingly clumsyrsquo (BS 1888)

Critchley (1949) suggested that sales of the third edition of

Volume 1 of the Manual of diseases of the nervous system pub-

lished in 1899 may have been adversely affected because

Macmillan brought out Volumes 7 and 8 of Allbuttrsquos System of

medicine in the same year These volumes contained the full

multi-authored neurological content of the System of medicine

Perhaps this is the explanation though it seems unlikely that as

early as 1900 poor sales of Volume 1 which had been published

only in the previous year would have been sufficiently evident to

cause further work on Volume 2 to be abandoned Also three

reviews of Volume 1 (Anonymous 1899a b c) in the British

Medical Journal Lancet and Journal of the American Medical

Association were highly favourable

Volume 7 of Allbuttrsquos System of medicine contained Gowersrsquo

account of epilepsy (Gowers 1899a) and Taylorrsquos chapters on

lsquoThe cerebral palsies of childrenrsquo (Taylor 1899a) and lsquoOcclusion

of cerebral vesselsrsquo (Taylor 1899b) Gowers had annotated the

text relating to Taylorrsquos latter topic for the third edition of the

Manual of diseases of the nervous system before his revising ap-

peared to cease Allbuttrsquos Volume 8 contained Gowersrsquo account of

paralysis agitans in which he developed his ideas relating to stress

as a triggering factor (Gowers 1899b) These recently available

accounts in a work produced by one publisher and written by the

authors of Gowersrsquo Manual of diseases of the nervous system

dealt with substantial topics that would have had to be considered

in Volume 2 of a new edition of the manual (with its different

publisher) This situation may have produced copyright or other

commercial issues Whether such matters explain why a third edi-

tion of Volume 2 of the Manual of diseases of the nervous system

never appeared can now be only a matter for conjecture

However the timing and Gowers apparent abandoning his revi-

sion part of the way through the task are consistent with this

possibility Whatever happened then relations between Gowers

Taylor and J amp A Churchill seem to have remained amicable As

well as the second edition of Gowersrsquo Epilepsy and other chronic

convulsive diseases in 1901 Churchill brought out his The

borderland of epilepsy in 1909 and Taylorrsquos Paralysis and other

diseases of the nervous system in childhood and early life in

1905

The real reason for Volume 2 of the third edition of Gowersrsquo

masterpiece never appearing may forever remain uncertain but

evidence is again available in the archives at the National

Hospital for Neurology and Neurosurgery at Queen Square that

he had gone some distance towards completing what was possibly

his only unfinished major project

ReferencesAllbutt TC A system of medicine by many writers Vol 7 and 8 London

Macmillan 1899

Anonymous A manual of diseases of the nervous system In WR

Gowers MD FRS editors 2nd edn Vol II London J amp A

Churchill 1893 BMJ 1894 1 246ndash7

Anonymous A manual of diseases of the nervous system By Sir W

Gowers MD FRCP FRS Edited by Sir W R Gowers and James Taylor

MA MD FRCP JAMA 1899a 33 744ndash5

Anonymous A manual of diseases of the nervous system In Sir William

Gowers MD FRCPLond FRS 3rd edn Sir William Gowers and James

Taylor MA MD Edin FRCP Lond Vol 1 Lancet 1899b 1 698ndash9

Anonymous A manual of the diseases of the nervous system Vol 1 In

Gowers WR editor Diseases of the nerves and spinal cord James

Taylor BMJ 1899c 1 737ndash8

Anonymous Obituary Sir William Gowers MD FRCP FRS BMJ 1915a

1 828ndash30

Anonymous Obituary Sir William Gowers MD Lond and Dub FRCP

Lond LLD Edin FRS Lancet 1915b 1 1055ndash6

BS Reviews A manual of diseases of the nervous system In Gowers

WR FRCP American Edition with 341 illustrations P Blakiston Son amp

Co 1888 J Nerv Ment Dis 1888 13 325ndash7

Butterfield EK The making of a neurologist the letters of Foster Kennedy

1884ndash1952 to his wife Cambridge Privately published 1981

Buzzard T Clinical lecture on cases of myasthenia gravis

pseudo-paralytica BMJ 1990 1 493ndash6

Campbell H Bramwell E Myasthenia gravis Brain 1900 23 277ndash336

Critchley M Sir William Gowers 1845ndash1915 A biographical appreciation

London Heinemann 1949

Gowers Sir W Epilepsy In Allbutt TC editor A system of medicine by

many writers Vol 7 London Macmillan 1899a p 758ndash97

Gowers WR A manual of diseases of the nervous system 1st edn 1886

1888 Vols 1 and 2 2nd edn 1892 amp 1893 3rd edn (Taylor J

co-editor) Vol 1 London J amp A Churchill 1899Gowers WR Paralysis agitans In Allbutt TC editor A system of

medicine by many writers Vol 8 London Macmillan 1899b

p 73ndash82

Gowers WR Epilepsy and other chronic convulsive diseases 2nd edn

London J amp A Churchill 1901

Gowers WR Remarks on myasthenia and ophthalmoplegia BMJ 1902

1 1253ndash6

Gowers WR Further remarks on myasthenia BMJ 1902 1 1323ndash4Gowers WR A lecture on lumbago its lessons and analogues BMJ

1904 1 117ndash21

Gowers WR The borderland of epilepsy London Churchill 1907Gowers WR The Hughlings-Jackson lecture on special sense discharges

from organic disease Brain 1909 32 303ndash26Hughlings Jackson J Neurological fragments Humphrey Milford

London Oxford University Press 1925Hughlings Jackson J In Taylor J editor Selected writings of

John Hughlings Jackson Vol 1ndash2 London Hodder amp Stoughton

1931

Keynes G The history of myasthenia gravis Med Hist 1961 5 313ndash26McDonald WI The mystery of the origin of multiple sclerosis J Neurol

Neurosurg Psychiatr 1986 49 113ndash23Scott A Ernest Gowers plain words and forgotten deeds Basingstoke

Palgrave Macmillan 2009

3186 | Brain 2012 135 3178ndash3188 M J Eadie et al

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nloaded from httpsacadem

icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

Scott A Eadie MJ Lees A Sir William Gowers (1845ndash1915) exploring

the Victorian brain Oxford Oxford University Press 2012Shaw LE A case of bulbar paralysis without structural changes in the

medulla Brain 1890 13 96ndash9

Sherrington CS Croonian lecturesmdashthe mammalian spinal cord as an

organ of reflex action Abstract Phil Trans 1897 61 220ndash1

Sherrington CS Experiments in examination of the peripheral distributionof the fibres of the posterior roots of some spinal nerves Part II Phil

Trans 1898 190 45ndash186

Spillane JD The doctrine of the nerves Oxford Oxford University Press

1891

Taylor J The cerebral palsies of children In Allbutt TC editor A system

of medicine by many writers London Macmillan 1899a p 735ndash44Taylor J Occlusion of cerebral vessels In Allbutt TC editor A system of

medicine by many writers London Macmillan 1899b p 560ndash76

Taylor J Paralysis and other diseases of the nervous system in childhood

and early life London J amp A Churchill 1905Wilks S On cerebritis hysteria and bulbar paralysis as illustrative of

arrest of function of the cerebrospinal centres Guyrsquos Hosp Rep

1877 22 7ndash55

Willis T In Pordage S translator Two discourses concerning the soul of

brutes which is that of the vital and sensitive of man London Dring

Harper and Leigh 1683

Appendix I

NystagmusNystagmus is an oscillation of the eyeballs rarely of one only due

to an alternate contraction of the opposing muscles They should

act together the opponent supporting yet yielding to the acting

muscle The alternation causes a to and fro movement usually of

both eyes and synchronous It occurs on voluntary movement but

sometimes goes on in the mid position In the direction in which

the will acts the movement is more rapid than in the return It may

recur on movement in any direction or only in one In the hor-

izontal movements it is usually greater in the outward moving

eye which is the more important Sometimes the motion is rota-

tory amp then is slight and often unilateralmdashthe degree of move-

ment varies much a slight jerking may attend defective power

after it has rested for some time and has been thought to be

different in nature from the pronounced oscillation but this is

uncertain The motion sometimes varies in degree even under

observation Usually uniform a considerable movement sometimes

separates two or three smaller jerks Its time varies and is the

more rapid the smaller the range of movement roughly speaking

the double movement occurs from 80 to 180 per minute Other

features will be considered presently

From the common form the acquired nystagmus of central

disease two other varieties may be distinguished which are

important in connection with its origin An infantile form begins

in the first month of life Sometimes it is associated with a similar

alternate contraction of the muscles of the head and neck causing

nodding movements More commonly it develops when there is a

condition lessening the amount of light which enters the eye such

as a superficial disease of any kind It also occurs in albinism when

the amount of light is in excess Thus there is an abnormal

amount of light during the time when the child acquires the

power of fixing a light a process in which a reflex action on the

muscles takes an important share This form consists of an

alternate action of the same rate there is not the quicker

motion in the direction of volition

Minerrsquos nystagmus develops in those who have worked for

years in getting coal lying in a constrained position with the

head inclined It occurs especially in badly lighted mines and is

disposed to by defects of general health and alcoholism It is

often rotatory

The common form results from organic disease or degeneration

near or in the mid-brain pons or cerebellum It is not met with in

disease of the cerebral hemisphere above the central ganglia

rarely from disease in these chiefly the optic thalamus It may

be caused by affections of the labyrinth of the ear that induce

vertigo an important fact in connection with the influence of

cerebellar disease in causing it

Pathology The slighter degrees of nystagmus may develop into

those that are considerable and in these there is a deliberate

alternation of the opposing muscles This is apparently the result

of an excessive activity of the muscle-reflex action between reci-

procal muscles We cannot doubt that there are structures that

subserve this action in the nuclei of the ocular nerves analogous

to those that exist in the spinal cord Sherrington has obtained in

the latter a similar insubordination by cutting off the voluntary

impulse The same alternate movement occurs and he has proved

that the arrest of action in one muscle followed by a contraction

in the opponent is due to an afferent nerve impulse produced by

the extension of the latter which inhibits the spinal centre for the

former and is followed by activity of its own centre Thus the

same effect is produced and the alternation goes on The resem-

blance to nystagmus is perfect In this the acting muscles say

those moving the eyes to the right contract under the will but

just before they reach the limit of movement they suddenly relax

from central inhibition their opponents the left-sided muscles

contract and the eyes move back rather more slowly but just

before reaching the mid-position they are in turn arrested and a

quicker action of the right sided muscles again moves the eyes to

the right

The structures (muscle-spindles) which are believed to be sen-

sitive to tension do not present the same aspect in the ocular

muscles as in others but their tendons present sensitive neural

structures and the fact that a twig from each muscle nerve

passes to the fifth nerve shows that afferent impulses must arise

in them they doubtless pass to the highest cells of the fifth

nucleus adjacent to the motor nuclei But the muscle-reflex alter-

nation is not produced by a defect in the volitional impulse as in

the spinal centre Its causes are such as may disturb the balance of

the mid-brain structures which subserve all ocular reflex action

and also the association of the two eyes The structural arrange-

ment for the alternation of opposing ocular muscles must be ren-

dered insubordinate with readiness as is shown by the readiness

by which it becomes excessive in infantile nystagmus from a mere

disproportion in the amount of light This must act on the same

centre as far as concerns its influence on the ocular muscles and

enables us to understand that dim lighting is an element in causing

the minerrsquos form

Nystagmus when in moderate degree only occurs on voluntary

movement of the eyes it is absent at rest in the midposition The

reflex alternation is present only when the centre is energised by

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the volitional impulse But the latter causes the movement to be

quicker in the direction of volition In time the nystagmus in a

certain direction may attain such a degree that it continues when

the will is not acting and even in opposition to the will eg the

quick motion to the right may persist in the mid-position on

upward and downward movements and even during half the

movement of the eyes to the left These features show clearly

that the symptom depends on the lower mid-brain structures

We can understand that the derangement may be slight so as

to cause the nystagmus to have only the semblance of a slight

jerking to which it is reasonable to ascribe to the same mechanism

until there is evidence to the contrary Nystagmus accompanies

partial paralysis only when this has lasted for a time It must be

remembered that the impressions from the weakened muscle are

lessened and that they exert an influence on the centre

Moreover the tendency to alternate action seems sometimes to

be so partial as to involve individual muscles and in the oblique

movements in which two muscles take part the movements may

correspond to only one of them with its opponent The two eyes

act alike showing that the disorder is of structures above those for

the binocular connection We can conceive the complexity of the

arrangement but anatomy has not yet enabled us to localize or

unravel it

Among the influences that take part in balancing the lower

centres are those exerted by the labyrinth doubtless the semicir-

cular canals and their relation to equilibrium Increased pressure in

an exposed tympanic cavity and therefore the labyrinth causes

nystagmus the quicker movement being towards the other side

diminished pressure also causes it quick to the same side Brief

nystagmus follows rotation of the body and the injection of hot

or cold water or probing Disease on one side of the pons

abolishing conjugate movement the side diseased causes ener-

getic nystagmus on movement to the other side no doubt by

the loss of balance of the reflex structures

The subjective symptoms are often absent The oscillation of the

eyeballs must cause the image to move to and fro on the retina

but an apparent movement is confined to cases in which the

oscillation is wide and then only in the direction of the quicker

motion It is indeed hardly more than a tendency to move in the

same direction as the eyes as may be perceived by a voluntary

quick movement of the eyes to and fro Perhaps the tendency

to move is only the result of an after image which disappears in

the direction of motion There is no reason why there should be

apparent movement A movement of the eye with an opposite

and equal movement of the image on the retina gives the

impression that the object is still Enduring infantile nystagmus

is never attended by any sense of movement On the other

hand it is frequent in the nystagmus of miners and is not easy

to explain The ldquodancingrdquo of objects renders this form peculiarly

disabling

The practical importance of definite nystagmus is the evidence

it affords of organic disease visible or degenerative In such

a malady as disseminated sclerosis for instance with symptoms

easily misunderstood its indication is often of great service But it

is of small localising value except in showing disease in the cere-

bellum or medial mesial structures and a lesion outside the pons is

probably on the side towards which the chief nystagmic move-

ment takes place Slight nystagmus may be left by an old paralysis

of an ocular nerve which has quite passed away doubtless from

an enduring partial disturbance of balance in the reflex centre A

trifling nystagmus on certain trained movements may be conge-

nital but too rarely to be important

3188 | Brain 2012 135 3178ndash3188 M J Eadie et al

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eye movements were represented in particular cell groups within

the oculomotor nuclei in the brainstem and that the optic neur-

opathy of disseminated sclerosis progressed less rapidly than that

of tabes Such changes modernized the text though individually

none was of any great moment However there were two more

substantial insertions one lengthy the other brief and both of

interest

More major changesPages 207 to 210 of Volume 2 of the second edition were absent

from the material that survived but were obviously to be replaced

by a new handwritten account of nystagmus (Fig 4) transcribed

in Appendix I The revision is better organized and lacks the per-

sonal case material of the earlier version It may not have been at

Figure 2 Gowersrsquo alterations to the text and deletion of the line drawing made on page 182 of Volume 2 second edition of his Manual of

diseases of the nervous system There is a single binder hole high in the left hand corner of the sheet Image courtesy of the Queen Square

Library Archive and Museum Copyright National Hospital for Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3181

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ecember 2021

final draft stage for it seems less polished than Gowersrsquo usual

accounts There is more on Gowersrsquo proposed pathophysiology

of nystagmus centred on the hypothesis that the phenomenon

results from disturbed reciprocal inhibition the mechanism

whereby an opposing muscle relaxes when its corresponding

prime mover contracts Sherrington had investigated this

phenomenon since 1893 and published a series of papers on it

including his 1897 Croonian lectures (Sherrington 1897) whose

full text became available in 1898 (Sherrington 1898) By 1899

Gowers knew of the role of the muscle spindles (Beevor wrote a

short section on the spindles at the end of the third edition of

Volume 1 of the Manual of diseases of the nervous system) and

Figure 3 Gowersrsquo annotations on page 401 dealing with cerebral haemorrhage with two perforation holes in the upper left hand corner

Image courtesy of the Queen Square Library Archive and Museum Copyright National Hospital for Neurology amp Neurosurgery London

3182 | Brain 2012 135 3178ndash3188 M J Eadie et al

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ecember 2021

that they did lsquonot present the same aspect in the ocular muscles as

in othersrsquo Gowers suggested that nerve impulses from the ten-

dons of the external eye muscles travelled via the fifth cranial

nerve to the brainstem to act on neurons in the external eye

muscle nuclei thus providing the anatomical background for his

interpretation of the mechanism of nystagmus In the second edi-

tion of the Manual of diseases of the nervous system Gowers had

suggested that nystagmus arose from various sites in the CNS

including the spinal cord For the third edition he limited the

neural sites of origin of nystagmus to the brainstem and cerebel-

lum and the labyrinth Gowersrsquo new account provided a major

revision of the topic It showed that he had kept abreast of ad-

vances in physiology and could utilize these advances to develop

new explanations for disease phenomena

The second significant alteration proposed for Volume 2 ap-

peared at two separate places in the surviving material On

Figure 4 The first page of the new handwritten account of nystagmus with a single circular binder hole in an intermediate position in the

upper left-hand corner of the page Image courtesy of the Queen Square Library Archive and Museum Copyright National Hospital for

Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3183

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icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

page 573 Gowers had written the single word lsquomyastheniarsquo

beside the heading lsquochronic bulbar paralysis without anatomical

changersquo which referred to an entity described by Shaw (1890)

Gowers did not mention that Wilks (1877) had even earlier

recorded a similar instance which some subsequent authors

claimed may have been the first description of myasthenia

However as pointed out by Keynes (1961) Thomas Willis

(1683) had much earlier given a convincing description of myas-

thenia in the case of

lsquoan honest Woman who for many years has been obnoxious to

this sort of spurious Palsie not only in her Members but also in

her tongue she for some time can speak freely and readily

enough but after she has spoke long or hastily or eagerly

she is not able to speak a word but becomes as mute as a

Fish nor can she recover the use of her voice under an hour

or tworsquo

In addition to Gowersrsquo insertion of the single word lsquomyastheniarsquo

on page 573 there was attached to page 190 of Volume 2 in the

margin beside the subsection on diphtheritic paralysis of eye

movements a handwritten paragraph on myasthenia reading

lsquoMyastheniamdashin this mysterious malady (qv) weakness of the

ocular muscles is not rare The superior recti suffer most in

association with the levator amp orbicularis the inferior recti

least The affection of the lateral muscles varies much amp differs

even in those that act togetherrsquo

The lsquo(qv)rsquo suggests that there was to be a fuller account of the

disorder elsewhere in the new edition but none was found in the

surviving pages

Myasthenia was not mentioned in the second edition of

Gowersrsquo Manual of diseases of the nervous system

English-speaking neurology seems to have largely been unaware

of myasthenia until the last 2 or 3 years of the 19th century

though German authors were aware of the entity in the 1880s

(Keynes 1961) In March 1900 Gowersrsquo colleague Thomas

Buzzard described two cases seen at Queen Square Their diagno-

sis had been suggested by his house physician Edwin Bramwell

who at lsquoa foreign clinicrsquo had seen the disorder diagnosed Also

in 1900 Campbell and Bramwell published a major review of the

topic in Brain

On pages 235ndash6 of Volume 7 of Allbuttrsquos System of medicine

(1899) Beevor delved into the literature on lsquobulbar paralysis with-

out apparent anatomical changesrsquo without mentioning lsquomyasthe-

niarsquo The word did not appear in the index of that

particular volume However the general index to Allbuttrsquos

System of medicine in Volume 8 (also published in 1899) con-

tained the words lsquomyasthenia gravisrsquo (referring to page vii 236

ie to Beevorrsquos contribution where the words were not present)

This also suggests that British neurology became generally

aware of myasthenia in 1899 In 1902 Gowers described a

total of four cases of myasthenia in papers in consecutive

issues of the British Medical Journal (Gowers 1902a b)

There he rejected the idea that Wilks had described the disorder

in 1877

DiscussionThere is little doubt that though others failed to find it in the

interval a substantial part of the revised text for the third edition

of Volume 2 of Gowersrsquo Manual of Diseases of the Nervous

System with proposed revisions made in Gowersrsquo handwriting

has been rediscovered some six decades after Critchley (1949)

last recorded having seen it The identity of page 555 (Fig 5) of

the rediscovered material and the page that Critchley (1949) illu-

strated makes it virtually certain that the set of pages recently

found at Queen Square is that which Critchley saw

Unfortunately a little over half of the original text of Volume 2

is missing

How did the material come intoCritchleyrsquos handsJames Taylor (1859ndash1946) the disciple and friend of both

Hughlings Jackson and Gowers was responsible for compiling

Hughlings Jacksonrsquos Neurological fragments (1925) editing his

Selected writings (1931) and co-editing Volume 1 of the third

edition of Gowersrsquo Manual of diseases of the nervous system It

seems likely that he was also to have been joint editor of Volume

2 of the third edition of the manual though Gowers would have

played the leading role in the writing Possibly Taylor and Gowers

each received a set of second edition pages prepared for revision

and Gowersrsquo annotated set came into Taylorrsquos hands later and at

some stage found its way to Queen Square In his preface to

Gowersrsquo biography Critchley (1949) acknowledged the assistance

he received from Mrs James Taylor and an etching lsquoThe mouth of

the lynrsquo by Gowers reproduced in the biography (Plate X facing

p 88) was loaned to him by Taylorrsquos daughter The revised sheets

may have been given to Critchley by Mrs Taylor It would explain

the duplicates of a few pages of the manual in the surviving

material

Why was the revision never completedand publishedThe existence of a significant part of the revised text of Volume 2

of the Manual of diseases of the nervous system raises the ques-

tion as to why the work was never published When Volume 1 of

the first edition appeared its readers were told that Volume 2 was

in press When Volume 1 of the second edition appeared readers

were reassured that Volume 2 would soon be ready No assur-

ances were given regarding to the appearance of Volume 2 of the

third edition when Volume 1 was published

Work on Volume 2 of a third edition appears to have begun

with the cooperation of J amp A Churchill Gowersrsquo revisions were

written partly on the larger sheets of paper to which pages from

the second edition were glued Such sheets were the sort of ma-

terials that Churchillrsquos successor the firm of Churchill-Livingstone

provided to its authors for revising a book in the days before word

processing Gowersrsquo written changes show that he had made a

serious attempt to modernize and shorten the text of Volume 2

Why he chose to shorten it and omit case histories is unclear

3184 | Brain 2012 135 3178ndash3188 M J Eadie et al

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Gowers and Taylor had expanded the text of Volume 1 of the

third edition from 616 to 692 pages Comparison of some random

sections of the second and third editions of Volume 1 (those on

sciatica acute ascending paralysis ataxic paraplegia and

Thomsenrsquos disease and paramyotonia) show no attempt to carry

out the editorial style shortenings of text that Gowers apparently

intended for Volume 2 of the third edition

Critchley (1949) wrote that Gowers suffered a breakdown in

health in 1894 suffering severe back pain which Gowers later

hinted was lsquolumbagorsquo (Gowers 1904) He went on a voyage to

South Africa and back to recuperate returning lsquowith the second

edition of his Manual re-written corrected and ready for the

pressrsquo (Critchley 1949 p 93) We now know that he went to

South Africa in 1898 not 1894 (Scott et al 2012) It must there-

fore have been the third edition of Volume 1 that Gowers worked

on during the voyage Possibly when unwell Gowers may have

allowed what he considered reasonably satisfactory material from

the earlier edition of Volume 1 to remain unaltered Later perhaps

in better health he was more radical in revising Volume 2

Gowers probably worked on the revision of Volume 2 in the

1898ndash1900 period On page 1040 of the second edition despite

making alterations he left unchanged a statement to the effect

that hypochondriasis had been recognized only in the early years

of the present century This suggests that he was writing before

1901 Furthermore in his new section on nystagmus he made

substantial use of Sherringtonrsquos concept of reciprocal inhibition

an idea he probably would have become aware of around 1898

or slightly earlier

Could poor health have prevented Gowers from completing the

revision of Volume 2 in which he would almost certainly have

been the dominant partner On medical advice to reduce his

workload he gave up editing his pet project the Phonographic

Record of Clinical Teaching and Medical Science in 1899

However he published several major papers between 1899 and

Figure 5 Page 555 of Volume 2 of the second edition of the Manual of diseases of the nervous system part of the section dealing with

insular (disseminated) sclerosis This page was reproduced by Critchley (1949) as Plate X in his biography of Gowers but the upper part of

the page was cropped so that the two irregular binder holes did not show Image courtesy of the Queen Square Library Archive and

Museum Copyright National Hospital for Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3185

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1900 In 1901 he produced a second edition of his monograph

Epilepsy and other chronic convulsive diseases which included his

analysis of his records of 3000 patients Although Foster Kennedy

wrote in 1908 that Gowers was lsquobreaking up badlyrsquo (Butterfield

1981) his book The borderland of epilepsy appeared in 1909 On

the whole declining health does not seem a sufficient explanation

for Gowersrsquo failure to complete the third edition although it may

have contributed

Gowersrsquo Lancet obituary (Anonymous 1915b) mentioned that

he had contemplated producing a single volume shortened version

of the Manual of diseases of the nervous system omitting ana-

tomical and physiological material This possibility may have

diverted him from his revision for the third edition but if so nei-

ther project ever came to fruition whereas other subsequent

major publications from his pen did Also there had been an

American single volume 1357mdashpage version of the first edition

of the Manual of diseases of the nervous system and its format

had been criticized for being lsquoexceedingly clumsyrsquo (BS 1888)

Critchley (1949) suggested that sales of the third edition of

Volume 1 of the Manual of diseases of the nervous system pub-

lished in 1899 may have been adversely affected because

Macmillan brought out Volumes 7 and 8 of Allbuttrsquos System of

medicine in the same year These volumes contained the full

multi-authored neurological content of the System of medicine

Perhaps this is the explanation though it seems unlikely that as

early as 1900 poor sales of Volume 1 which had been published

only in the previous year would have been sufficiently evident to

cause further work on Volume 2 to be abandoned Also three

reviews of Volume 1 (Anonymous 1899a b c) in the British

Medical Journal Lancet and Journal of the American Medical

Association were highly favourable

Volume 7 of Allbuttrsquos System of medicine contained Gowersrsquo

account of epilepsy (Gowers 1899a) and Taylorrsquos chapters on

lsquoThe cerebral palsies of childrenrsquo (Taylor 1899a) and lsquoOcclusion

of cerebral vesselsrsquo (Taylor 1899b) Gowers had annotated the

text relating to Taylorrsquos latter topic for the third edition of the

Manual of diseases of the nervous system before his revising ap-

peared to cease Allbuttrsquos Volume 8 contained Gowersrsquo account of

paralysis agitans in which he developed his ideas relating to stress

as a triggering factor (Gowers 1899b) These recently available

accounts in a work produced by one publisher and written by the

authors of Gowersrsquo Manual of diseases of the nervous system

dealt with substantial topics that would have had to be considered

in Volume 2 of a new edition of the manual (with its different

publisher) This situation may have produced copyright or other

commercial issues Whether such matters explain why a third edi-

tion of Volume 2 of the Manual of diseases of the nervous system

never appeared can now be only a matter for conjecture

However the timing and Gowers apparent abandoning his revi-

sion part of the way through the task are consistent with this

possibility Whatever happened then relations between Gowers

Taylor and J amp A Churchill seem to have remained amicable As

well as the second edition of Gowersrsquo Epilepsy and other chronic

convulsive diseases in 1901 Churchill brought out his The

borderland of epilepsy in 1909 and Taylorrsquos Paralysis and other

diseases of the nervous system in childhood and early life in

1905

The real reason for Volume 2 of the third edition of Gowersrsquo

masterpiece never appearing may forever remain uncertain but

evidence is again available in the archives at the National

Hospital for Neurology and Neurosurgery at Queen Square that

he had gone some distance towards completing what was possibly

his only unfinished major project

ReferencesAllbutt TC A system of medicine by many writers Vol 7 and 8 London

Macmillan 1899

Anonymous A manual of diseases of the nervous system In WR

Gowers MD FRS editors 2nd edn Vol II London J amp A

Churchill 1893 BMJ 1894 1 246ndash7

Anonymous A manual of diseases of the nervous system By Sir W

Gowers MD FRCP FRS Edited by Sir W R Gowers and James Taylor

MA MD FRCP JAMA 1899a 33 744ndash5

Anonymous A manual of diseases of the nervous system In Sir William

Gowers MD FRCPLond FRS 3rd edn Sir William Gowers and James

Taylor MA MD Edin FRCP Lond Vol 1 Lancet 1899b 1 698ndash9

Anonymous A manual of the diseases of the nervous system Vol 1 In

Gowers WR editor Diseases of the nerves and spinal cord James

Taylor BMJ 1899c 1 737ndash8

Anonymous Obituary Sir William Gowers MD FRCP FRS BMJ 1915a

1 828ndash30

Anonymous Obituary Sir William Gowers MD Lond and Dub FRCP

Lond LLD Edin FRS Lancet 1915b 1 1055ndash6

BS Reviews A manual of diseases of the nervous system In Gowers

WR FRCP American Edition with 341 illustrations P Blakiston Son amp

Co 1888 J Nerv Ment Dis 1888 13 325ndash7

Butterfield EK The making of a neurologist the letters of Foster Kennedy

1884ndash1952 to his wife Cambridge Privately published 1981

Buzzard T Clinical lecture on cases of myasthenia gravis

pseudo-paralytica BMJ 1990 1 493ndash6

Campbell H Bramwell E Myasthenia gravis Brain 1900 23 277ndash336

Critchley M Sir William Gowers 1845ndash1915 A biographical appreciation

London Heinemann 1949

Gowers Sir W Epilepsy In Allbutt TC editor A system of medicine by

many writers Vol 7 London Macmillan 1899a p 758ndash97

Gowers WR A manual of diseases of the nervous system 1st edn 1886

1888 Vols 1 and 2 2nd edn 1892 amp 1893 3rd edn (Taylor J

co-editor) Vol 1 London J amp A Churchill 1899Gowers WR Paralysis agitans In Allbutt TC editor A system of

medicine by many writers Vol 8 London Macmillan 1899b

p 73ndash82

Gowers WR Epilepsy and other chronic convulsive diseases 2nd edn

London J amp A Churchill 1901

Gowers WR Remarks on myasthenia and ophthalmoplegia BMJ 1902

1 1253ndash6

Gowers WR Further remarks on myasthenia BMJ 1902 1 1323ndash4Gowers WR A lecture on lumbago its lessons and analogues BMJ

1904 1 117ndash21

Gowers WR The borderland of epilepsy London Churchill 1907Gowers WR The Hughlings-Jackson lecture on special sense discharges

from organic disease Brain 1909 32 303ndash26Hughlings Jackson J Neurological fragments Humphrey Milford

London Oxford University Press 1925Hughlings Jackson J In Taylor J editor Selected writings of

John Hughlings Jackson Vol 1ndash2 London Hodder amp Stoughton

1931

Keynes G The history of myasthenia gravis Med Hist 1961 5 313ndash26McDonald WI The mystery of the origin of multiple sclerosis J Neurol

Neurosurg Psychiatr 1986 49 113ndash23Scott A Ernest Gowers plain words and forgotten deeds Basingstoke

Palgrave Macmillan 2009

3186 | Brain 2012 135 3178ndash3188 M J Eadie et al

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icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

Scott A Eadie MJ Lees A Sir William Gowers (1845ndash1915) exploring

the Victorian brain Oxford Oxford University Press 2012Shaw LE A case of bulbar paralysis without structural changes in the

medulla Brain 1890 13 96ndash9

Sherrington CS Croonian lecturesmdashthe mammalian spinal cord as an

organ of reflex action Abstract Phil Trans 1897 61 220ndash1

Sherrington CS Experiments in examination of the peripheral distributionof the fibres of the posterior roots of some spinal nerves Part II Phil

Trans 1898 190 45ndash186

Spillane JD The doctrine of the nerves Oxford Oxford University Press

1891

Taylor J The cerebral palsies of children In Allbutt TC editor A system

of medicine by many writers London Macmillan 1899a p 735ndash44Taylor J Occlusion of cerebral vessels In Allbutt TC editor A system of

medicine by many writers London Macmillan 1899b p 560ndash76

Taylor J Paralysis and other diseases of the nervous system in childhood

and early life London J amp A Churchill 1905Wilks S On cerebritis hysteria and bulbar paralysis as illustrative of

arrest of function of the cerebrospinal centres Guyrsquos Hosp Rep

1877 22 7ndash55

Willis T In Pordage S translator Two discourses concerning the soul of

brutes which is that of the vital and sensitive of man London Dring

Harper and Leigh 1683

Appendix I

NystagmusNystagmus is an oscillation of the eyeballs rarely of one only due

to an alternate contraction of the opposing muscles They should

act together the opponent supporting yet yielding to the acting

muscle The alternation causes a to and fro movement usually of

both eyes and synchronous It occurs on voluntary movement but

sometimes goes on in the mid position In the direction in which

the will acts the movement is more rapid than in the return It may

recur on movement in any direction or only in one In the hor-

izontal movements it is usually greater in the outward moving

eye which is the more important Sometimes the motion is rota-

tory amp then is slight and often unilateralmdashthe degree of move-

ment varies much a slight jerking may attend defective power

after it has rested for some time and has been thought to be

different in nature from the pronounced oscillation but this is

uncertain The motion sometimes varies in degree even under

observation Usually uniform a considerable movement sometimes

separates two or three smaller jerks Its time varies and is the

more rapid the smaller the range of movement roughly speaking

the double movement occurs from 80 to 180 per minute Other

features will be considered presently

From the common form the acquired nystagmus of central

disease two other varieties may be distinguished which are

important in connection with its origin An infantile form begins

in the first month of life Sometimes it is associated with a similar

alternate contraction of the muscles of the head and neck causing

nodding movements More commonly it develops when there is a

condition lessening the amount of light which enters the eye such

as a superficial disease of any kind It also occurs in albinism when

the amount of light is in excess Thus there is an abnormal

amount of light during the time when the child acquires the

power of fixing a light a process in which a reflex action on the

muscles takes an important share This form consists of an

alternate action of the same rate there is not the quicker

motion in the direction of volition

Minerrsquos nystagmus develops in those who have worked for

years in getting coal lying in a constrained position with the

head inclined It occurs especially in badly lighted mines and is

disposed to by defects of general health and alcoholism It is

often rotatory

The common form results from organic disease or degeneration

near or in the mid-brain pons or cerebellum It is not met with in

disease of the cerebral hemisphere above the central ganglia

rarely from disease in these chiefly the optic thalamus It may

be caused by affections of the labyrinth of the ear that induce

vertigo an important fact in connection with the influence of

cerebellar disease in causing it

Pathology The slighter degrees of nystagmus may develop into

those that are considerable and in these there is a deliberate

alternation of the opposing muscles This is apparently the result

of an excessive activity of the muscle-reflex action between reci-

procal muscles We cannot doubt that there are structures that

subserve this action in the nuclei of the ocular nerves analogous

to those that exist in the spinal cord Sherrington has obtained in

the latter a similar insubordination by cutting off the voluntary

impulse The same alternate movement occurs and he has proved

that the arrest of action in one muscle followed by a contraction

in the opponent is due to an afferent nerve impulse produced by

the extension of the latter which inhibits the spinal centre for the

former and is followed by activity of its own centre Thus the

same effect is produced and the alternation goes on The resem-

blance to nystagmus is perfect In this the acting muscles say

those moving the eyes to the right contract under the will but

just before they reach the limit of movement they suddenly relax

from central inhibition their opponents the left-sided muscles

contract and the eyes move back rather more slowly but just

before reaching the mid-position they are in turn arrested and a

quicker action of the right sided muscles again moves the eyes to

the right

The structures (muscle-spindles) which are believed to be sen-

sitive to tension do not present the same aspect in the ocular

muscles as in others but their tendons present sensitive neural

structures and the fact that a twig from each muscle nerve

passes to the fifth nerve shows that afferent impulses must arise

in them they doubtless pass to the highest cells of the fifth

nucleus adjacent to the motor nuclei But the muscle-reflex alter-

nation is not produced by a defect in the volitional impulse as in

the spinal centre Its causes are such as may disturb the balance of

the mid-brain structures which subserve all ocular reflex action

and also the association of the two eyes The structural arrange-

ment for the alternation of opposing ocular muscles must be ren-

dered insubordinate with readiness as is shown by the readiness

by which it becomes excessive in infantile nystagmus from a mere

disproportion in the amount of light This must act on the same

centre as far as concerns its influence on the ocular muscles and

enables us to understand that dim lighting is an element in causing

the minerrsquos form

Nystagmus when in moderate degree only occurs on voluntary

movement of the eyes it is absent at rest in the midposition The

reflex alternation is present only when the centre is energised by

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3187

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the volitional impulse But the latter causes the movement to be

quicker in the direction of volition In time the nystagmus in a

certain direction may attain such a degree that it continues when

the will is not acting and even in opposition to the will eg the

quick motion to the right may persist in the mid-position on

upward and downward movements and even during half the

movement of the eyes to the left These features show clearly

that the symptom depends on the lower mid-brain structures

We can understand that the derangement may be slight so as

to cause the nystagmus to have only the semblance of a slight

jerking to which it is reasonable to ascribe to the same mechanism

until there is evidence to the contrary Nystagmus accompanies

partial paralysis only when this has lasted for a time It must be

remembered that the impressions from the weakened muscle are

lessened and that they exert an influence on the centre

Moreover the tendency to alternate action seems sometimes to

be so partial as to involve individual muscles and in the oblique

movements in which two muscles take part the movements may

correspond to only one of them with its opponent The two eyes

act alike showing that the disorder is of structures above those for

the binocular connection We can conceive the complexity of the

arrangement but anatomy has not yet enabled us to localize or

unravel it

Among the influences that take part in balancing the lower

centres are those exerted by the labyrinth doubtless the semicir-

cular canals and their relation to equilibrium Increased pressure in

an exposed tympanic cavity and therefore the labyrinth causes

nystagmus the quicker movement being towards the other side

diminished pressure also causes it quick to the same side Brief

nystagmus follows rotation of the body and the injection of hot

or cold water or probing Disease on one side of the pons

abolishing conjugate movement the side diseased causes ener-

getic nystagmus on movement to the other side no doubt by

the loss of balance of the reflex structures

The subjective symptoms are often absent The oscillation of the

eyeballs must cause the image to move to and fro on the retina

but an apparent movement is confined to cases in which the

oscillation is wide and then only in the direction of the quicker

motion It is indeed hardly more than a tendency to move in the

same direction as the eyes as may be perceived by a voluntary

quick movement of the eyes to and fro Perhaps the tendency

to move is only the result of an after image which disappears in

the direction of motion There is no reason why there should be

apparent movement A movement of the eye with an opposite

and equal movement of the image on the retina gives the

impression that the object is still Enduring infantile nystagmus

is never attended by any sense of movement On the other

hand it is frequent in the nystagmus of miners and is not easy

to explain The ldquodancingrdquo of objects renders this form peculiarly

disabling

The practical importance of definite nystagmus is the evidence

it affords of organic disease visible or degenerative In such

a malady as disseminated sclerosis for instance with symptoms

easily misunderstood its indication is often of great service But it

is of small localising value except in showing disease in the cere-

bellum or medial mesial structures and a lesion outside the pons is

probably on the side towards which the chief nystagmic move-

ment takes place Slight nystagmus may be left by an old paralysis

of an ocular nerve which has quite passed away doubtless from

an enduring partial disturbance of balance in the reflex centre A

trifling nystagmus on certain trained movements may be conge-

nital but too rarely to be important

3188 | Brain 2012 135 3178ndash3188 M J Eadie et al

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final draft stage for it seems less polished than Gowersrsquo usual

accounts There is more on Gowersrsquo proposed pathophysiology

of nystagmus centred on the hypothesis that the phenomenon

results from disturbed reciprocal inhibition the mechanism

whereby an opposing muscle relaxes when its corresponding

prime mover contracts Sherrington had investigated this

phenomenon since 1893 and published a series of papers on it

including his 1897 Croonian lectures (Sherrington 1897) whose

full text became available in 1898 (Sherrington 1898) By 1899

Gowers knew of the role of the muscle spindles (Beevor wrote a

short section on the spindles at the end of the third edition of

Volume 1 of the Manual of diseases of the nervous system) and

Figure 3 Gowersrsquo annotations on page 401 dealing with cerebral haemorrhage with two perforation holes in the upper left hand corner

Image courtesy of the Queen Square Library Archive and Museum Copyright National Hospital for Neurology amp Neurosurgery London

3182 | Brain 2012 135 3178ndash3188 M J Eadie et al

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ecember 2021

that they did lsquonot present the same aspect in the ocular muscles as

in othersrsquo Gowers suggested that nerve impulses from the ten-

dons of the external eye muscles travelled via the fifth cranial

nerve to the brainstem to act on neurons in the external eye

muscle nuclei thus providing the anatomical background for his

interpretation of the mechanism of nystagmus In the second edi-

tion of the Manual of diseases of the nervous system Gowers had

suggested that nystagmus arose from various sites in the CNS

including the spinal cord For the third edition he limited the

neural sites of origin of nystagmus to the brainstem and cerebel-

lum and the labyrinth Gowersrsquo new account provided a major

revision of the topic It showed that he had kept abreast of ad-

vances in physiology and could utilize these advances to develop

new explanations for disease phenomena

The second significant alteration proposed for Volume 2 ap-

peared at two separate places in the surviving material On

Figure 4 The first page of the new handwritten account of nystagmus with a single circular binder hole in an intermediate position in the

upper left-hand corner of the page Image courtesy of the Queen Square Library Archive and Museum Copyright National Hospital for

Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3183

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icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

page 573 Gowers had written the single word lsquomyastheniarsquo

beside the heading lsquochronic bulbar paralysis without anatomical

changersquo which referred to an entity described by Shaw (1890)

Gowers did not mention that Wilks (1877) had even earlier

recorded a similar instance which some subsequent authors

claimed may have been the first description of myasthenia

However as pointed out by Keynes (1961) Thomas Willis

(1683) had much earlier given a convincing description of myas-

thenia in the case of

lsquoan honest Woman who for many years has been obnoxious to

this sort of spurious Palsie not only in her Members but also in

her tongue she for some time can speak freely and readily

enough but after she has spoke long or hastily or eagerly

she is not able to speak a word but becomes as mute as a

Fish nor can she recover the use of her voice under an hour

or tworsquo

In addition to Gowersrsquo insertion of the single word lsquomyastheniarsquo

on page 573 there was attached to page 190 of Volume 2 in the

margin beside the subsection on diphtheritic paralysis of eye

movements a handwritten paragraph on myasthenia reading

lsquoMyastheniamdashin this mysterious malady (qv) weakness of the

ocular muscles is not rare The superior recti suffer most in

association with the levator amp orbicularis the inferior recti

least The affection of the lateral muscles varies much amp differs

even in those that act togetherrsquo

The lsquo(qv)rsquo suggests that there was to be a fuller account of the

disorder elsewhere in the new edition but none was found in the

surviving pages

Myasthenia was not mentioned in the second edition of

Gowersrsquo Manual of diseases of the nervous system

English-speaking neurology seems to have largely been unaware

of myasthenia until the last 2 or 3 years of the 19th century

though German authors were aware of the entity in the 1880s

(Keynes 1961) In March 1900 Gowersrsquo colleague Thomas

Buzzard described two cases seen at Queen Square Their diagno-

sis had been suggested by his house physician Edwin Bramwell

who at lsquoa foreign clinicrsquo had seen the disorder diagnosed Also

in 1900 Campbell and Bramwell published a major review of the

topic in Brain

On pages 235ndash6 of Volume 7 of Allbuttrsquos System of medicine

(1899) Beevor delved into the literature on lsquobulbar paralysis with-

out apparent anatomical changesrsquo without mentioning lsquomyasthe-

niarsquo The word did not appear in the index of that

particular volume However the general index to Allbuttrsquos

System of medicine in Volume 8 (also published in 1899) con-

tained the words lsquomyasthenia gravisrsquo (referring to page vii 236

ie to Beevorrsquos contribution where the words were not present)

This also suggests that British neurology became generally

aware of myasthenia in 1899 In 1902 Gowers described a

total of four cases of myasthenia in papers in consecutive

issues of the British Medical Journal (Gowers 1902a b)

There he rejected the idea that Wilks had described the disorder

in 1877

DiscussionThere is little doubt that though others failed to find it in the

interval a substantial part of the revised text for the third edition

of Volume 2 of Gowersrsquo Manual of Diseases of the Nervous

System with proposed revisions made in Gowersrsquo handwriting

has been rediscovered some six decades after Critchley (1949)

last recorded having seen it The identity of page 555 (Fig 5) of

the rediscovered material and the page that Critchley (1949) illu-

strated makes it virtually certain that the set of pages recently

found at Queen Square is that which Critchley saw

Unfortunately a little over half of the original text of Volume 2

is missing

How did the material come intoCritchleyrsquos handsJames Taylor (1859ndash1946) the disciple and friend of both

Hughlings Jackson and Gowers was responsible for compiling

Hughlings Jacksonrsquos Neurological fragments (1925) editing his

Selected writings (1931) and co-editing Volume 1 of the third

edition of Gowersrsquo Manual of diseases of the nervous system It

seems likely that he was also to have been joint editor of Volume

2 of the third edition of the manual though Gowers would have

played the leading role in the writing Possibly Taylor and Gowers

each received a set of second edition pages prepared for revision

and Gowersrsquo annotated set came into Taylorrsquos hands later and at

some stage found its way to Queen Square In his preface to

Gowersrsquo biography Critchley (1949) acknowledged the assistance

he received from Mrs James Taylor and an etching lsquoThe mouth of

the lynrsquo by Gowers reproduced in the biography (Plate X facing

p 88) was loaned to him by Taylorrsquos daughter The revised sheets

may have been given to Critchley by Mrs Taylor It would explain

the duplicates of a few pages of the manual in the surviving

material

Why was the revision never completedand publishedThe existence of a significant part of the revised text of Volume 2

of the Manual of diseases of the nervous system raises the ques-

tion as to why the work was never published When Volume 1 of

the first edition appeared its readers were told that Volume 2 was

in press When Volume 1 of the second edition appeared readers

were reassured that Volume 2 would soon be ready No assur-

ances were given regarding to the appearance of Volume 2 of the

third edition when Volume 1 was published

Work on Volume 2 of a third edition appears to have begun

with the cooperation of J amp A Churchill Gowersrsquo revisions were

written partly on the larger sheets of paper to which pages from

the second edition were glued Such sheets were the sort of ma-

terials that Churchillrsquos successor the firm of Churchill-Livingstone

provided to its authors for revising a book in the days before word

processing Gowersrsquo written changes show that he had made a

serious attempt to modernize and shorten the text of Volume 2

Why he chose to shorten it and omit case histories is unclear

3184 | Brain 2012 135 3178ndash3188 M J Eadie et al

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Gowers and Taylor had expanded the text of Volume 1 of the

third edition from 616 to 692 pages Comparison of some random

sections of the second and third editions of Volume 1 (those on

sciatica acute ascending paralysis ataxic paraplegia and

Thomsenrsquos disease and paramyotonia) show no attempt to carry

out the editorial style shortenings of text that Gowers apparently

intended for Volume 2 of the third edition

Critchley (1949) wrote that Gowers suffered a breakdown in

health in 1894 suffering severe back pain which Gowers later

hinted was lsquolumbagorsquo (Gowers 1904) He went on a voyage to

South Africa and back to recuperate returning lsquowith the second

edition of his Manual re-written corrected and ready for the

pressrsquo (Critchley 1949 p 93) We now know that he went to

South Africa in 1898 not 1894 (Scott et al 2012) It must there-

fore have been the third edition of Volume 1 that Gowers worked

on during the voyage Possibly when unwell Gowers may have

allowed what he considered reasonably satisfactory material from

the earlier edition of Volume 1 to remain unaltered Later perhaps

in better health he was more radical in revising Volume 2

Gowers probably worked on the revision of Volume 2 in the

1898ndash1900 period On page 1040 of the second edition despite

making alterations he left unchanged a statement to the effect

that hypochondriasis had been recognized only in the early years

of the present century This suggests that he was writing before

1901 Furthermore in his new section on nystagmus he made

substantial use of Sherringtonrsquos concept of reciprocal inhibition

an idea he probably would have become aware of around 1898

or slightly earlier

Could poor health have prevented Gowers from completing the

revision of Volume 2 in which he would almost certainly have

been the dominant partner On medical advice to reduce his

workload he gave up editing his pet project the Phonographic

Record of Clinical Teaching and Medical Science in 1899

However he published several major papers between 1899 and

Figure 5 Page 555 of Volume 2 of the second edition of the Manual of diseases of the nervous system part of the section dealing with

insular (disseminated) sclerosis This page was reproduced by Critchley (1949) as Plate X in his biography of Gowers but the upper part of

the page was cropped so that the two irregular binder holes did not show Image courtesy of the Queen Square Library Archive and

Museum Copyright National Hospital for Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3185

Dow

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ecember 2021

1900 In 1901 he produced a second edition of his monograph

Epilepsy and other chronic convulsive diseases which included his

analysis of his records of 3000 patients Although Foster Kennedy

wrote in 1908 that Gowers was lsquobreaking up badlyrsquo (Butterfield

1981) his book The borderland of epilepsy appeared in 1909 On

the whole declining health does not seem a sufficient explanation

for Gowersrsquo failure to complete the third edition although it may

have contributed

Gowersrsquo Lancet obituary (Anonymous 1915b) mentioned that

he had contemplated producing a single volume shortened version

of the Manual of diseases of the nervous system omitting ana-

tomical and physiological material This possibility may have

diverted him from his revision for the third edition but if so nei-

ther project ever came to fruition whereas other subsequent

major publications from his pen did Also there had been an

American single volume 1357mdashpage version of the first edition

of the Manual of diseases of the nervous system and its format

had been criticized for being lsquoexceedingly clumsyrsquo (BS 1888)

Critchley (1949) suggested that sales of the third edition of

Volume 1 of the Manual of diseases of the nervous system pub-

lished in 1899 may have been adversely affected because

Macmillan brought out Volumes 7 and 8 of Allbuttrsquos System of

medicine in the same year These volumes contained the full

multi-authored neurological content of the System of medicine

Perhaps this is the explanation though it seems unlikely that as

early as 1900 poor sales of Volume 1 which had been published

only in the previous year would have been sufficiently evident to

cause further work on Volume 2 to be abandoned Also three

reviews of Volume 1 (Anonymous 1899a b c) in the British

Medical Journal Lancet and Journal of the American Medical

Association were highly favourable

Volume 7 of Allbuttrsquos System of medicine contained Gowersrsquo

account of epilepsy (Gowers 1899a) and Taylorrsquos chapters on

lsquoThe cerebral palsies of childrenrsquo (Taylor 1899a) and lsquoOcclusion

of cerebral vesselsrsquo (Taylor 1899b) Gowers had annotated the

text relating to Taylorrsquos latter topic for the third edition of the

Manual of diseases of the nervous system before his revising ap-

peared to cease Allbuttrsquos Volume 8 contained Gowersrsquo account of

paralysis agitans in which he developed his ideas relating to stress

as a triggering factor (Gowers 1899b) These recently available

accounts in a work produced by one publisher and written by the

authors of Gowersrsquo Manual of diseases of the nervous system

dealt with substantial topics that would have had to be considered

in Volume 2 of a new edition of the manual (with its different

publisher) This situation may have produced copyright or other

commercial issues Whether such matters explain why a third edi-

tion of Volume 2 of the Manual of diseases of the nervous system

never appeared can now be only a matter for conjecture

However the timing and Gowers apparent abandoning his revi-

sion part of the way through the task are consistent with this

possibility Whatever happened then relations between Gowers

Taylor and J amp A Churchill seem to have remained amicable As

well as the second edition of Gowersrsquo Epilepsy and other chronic

convulsive diseases in 1901 Churchill brought out his The

borderland of epilepsy in 1909 and Taylorrsquos Paralysis and other

diseases of the nervous system in childhood and early life in

1905

The real reason for Volume 2 of the third edition of Gowersrsquo

masterpiece never appearing may forever remain uncertain but

evidence is again available in the archives at the National

Hospital for Neurology and Neurosurgery at Queen Square that

he had gone some distance towards completing what was possibly

his only unfinished major project

ReferencesAllbutt TC A system of medicine by many writers Vol 7 and 8 London

Macmillan 1899

Anonymous A manual of diseases of the nervous system In WR

Gowers MD FRS editors 2nd edn Vol II London J amp A

Churchill 1893 BMJ 1894 1 246ndash7

Anonymous A manual of diseases of the nervous system By Sir W

Gowers MD FRCP FRS Edited by Sir W R Gowers and James Taylor

MA MD FRCP JAMA 1899a 33 744ndash5

Anonymous A manual of diseases of the nervous system In Sir William

Gowers MD FRCPLond FRS 3rd edn Sir William Gowers and James

Taylor MA MD Edin FRCP Lond Vol 1 Lancet 1899b 1 698ndash9

Anonymous A manual of the diseases of the nervous system Vol 1 In

Gowers WR editor Diseases of the nerves and spinal cord James

Taylor BMJ 1899c 1 737ndash8

Anonymous Obituary Sir William Gowers MD FRCP FRS BMJ 1915a

1 828ndash30

Anonymous Obituary Sir William Gowers MD Lond and Dub FRCP

Lond LLD Edin FRS Lancet 1915b 1 1055ndash6

BS Reviews A manual of diseases of the nervous system In Gowers

WR FRCP American Edition with 341 illustrations P Blakiston Son amp

Co 1888 J Nerv Ment Dis 1888 13 325ndash7

Butterfield EK The making of a neurologist the letters of Foster Kennedy

1884ndash1952 to his wife Cambridge Privately published 1981

Buzzard T Clinical lecture on cases of myasthenia gravis

pseudo-paralytica BMJ 1990 1 493ndash6

Campbell H Bramwell E Myasthenia gravis Brain 1900 23 277ndash336

Critchley M Sir William Gowers 1845ndash1915 A biographical appreciation

London Heinemann 1949

Gowers Sir W Epilepsy In Allbutt TC editor A system of medicine by

many writers Vol 7 London Macmillan 1899a p 758ndash97

Gowers WR A manual of diseases of the nervous system 1st edn 1886

1888 Vols 1 and 2 2nd edn 1892 amp 1893 3rd edn (Taylor J

co-editor) Vol 1 London J amp A Churchill 1899Gowers WR Paralysis agitans In Allbutt TC editor A system of

medicine by many writers Vol 8 London Macmillan 1899b

p 73ndash82

Gowers WR Epilepsy and other chronic convulsive diseases 2nd edn

London J amp A Churchill 1901

Gowers WR Remarks on myasthenia and ophthalmoplegia BMJ 1902

1 1253ndash6

Gowers WR Further remarks on myasthenia BMJ 1902 1 1323ndash4Gowers WR A lecture on lumbago its lessons and analogues BMJ

1904 1 117ndash21

Gowers WR The borderland of epilepsy London Churchill 1907Gowers WR The Hughlings-Jackson lecture on special sense discharges

from organic disease Brain 1909 32 303ndash26Hughlings Jackson J Neurological fragments Humphrey Milford

London Oxford University Press 1925Hughlings Jackson J In Taylor J editor Selected writings of

John Hughlings Jackson Vol 1ndash2 London Hodder amp Stoughton

1931

Keynes G The history of myasthenia gravis Med Hist 1961 5 313ndash26McDonald WI The mystery of the origin of multiple sclerosis J Neurol

Neurosurg Psychiatr 1986 49 113ndash23Scott A Ernest Gowers plain words and forgotten deeds Basingstoke

Palgrave Macmillan 2009

3186 | Brain 2012 135 3178ndash3188 M J Eadie et al

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icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

Scott A Eadie MJ Lees A Sir William Gowers (1845ndash1915) exploring

the Victorian brain Oxford Oxford University Press 2012Shaw LE A case of bulbar paralysis without structural changes in the

medulla Brain 1890 13 96ndash9

Sherrington CS Croonian lecturesmdashthe mammalian spinal cord as an

organ of reflex action Abstract Phil Trans 1897 61 220ndash1

Sherrington CS Experiments in examination of the peripheral distributionof the fibres of the posterior roots of some spinal nerves Part II Phil

Trans 1898 190 45ndash186

Spillane JD The doctrine of the nerves Oxford Oxford University Press

1891

Taylor J The cerebral palsies of children In Allbutt TC editor A system

of medicine by many writers London Macmillan 1899a p 735ndash44Taylor J Occlusion of cerebral vessels In Allbutt TC editor A system of

medicine by many writers London Macmillan 1899b p 560ndash76

Taylor J Paralysis and other diseases of the nervous system in childhood

and early life London J amp A Churchill 1905Wilks S On cerebritis hysteria and bulbar paralysis as illustrative of

arrest of function of the cerebrospinal centres Guyrsquos Hosp Rep

1877 22 7ndash55

Willis T In Pordage S translator Two discourses concerning the soul of

brutes which is that of the vital and sensitive of man London Dring

Harper and Leigh 1683

Appendix I

NystagmusNystagmus is an oscillation of the eyeballs rarely of one only due

to an alternate contraction of the opposing muscles They should

act together the opponent supporting yet yielding to the acting

muscle The alternation causes a to and fro movement usually of

both eyes and synchronous It occurs on voluntary movement but

sometimes goes on in the mid position In the direction in which

the will acts the movement is more rapid than in the return It may

recur on movement in any direction or only in one In the hor-

izontal movements it is usually greater in the outward moving

eye which is the more important Sometimes the motion is rota-

tory amp then is slight and often unilateralmdashthe degree of move-

ment varies much a slight jerking may attend defective power

after it has rested for some time and has been thought to be

different in nature from the pronounced oscillation but this is

uncertain The motion sometimes varies in degree even under

observation Usually uniform a considerable movement sometimes

separates two or three smaller jerks Its time varies and is the

more rapid the smaller the range of movement roughly speaking

the double movement occurs from 80 to 180 per minute Other

features will be considered presently

From the common form the acquired nystagmus of central

disease two other varieties may be distinguished which are

important in connection with its origin An infantile form begins

in the first month of life Sometimes it is associated with a similar

alternate contraction of the muscles of the head and neck causing

nodding movements More commonly it develops when there is a

condition lessening the amount of light which enters the eye such

as a superficial disease of any kind It also occurs in albinism when

the amount of light is in excess Thus there is an abnormal

amount of light during the time when the child acquires the

power of fixing a light a process in which a reflex action on the

muscles takes an important share This form consists of an

alternate action of the same rate there is not the quicker

motion in the direction of volition

Minerrsquos nystagmus develops in those who have worked for

years in getting coal lying in a constrained position with the

head inclined It occurs especially in badly lighted mines and is

disposed to by defects of general health and alcoholism It is

often rotatory

The common form results from organic disease or degeneration

near or in the mid-brain pons or cerebellum It is not met with in

disease of the cerebral hemisphere above the central ganglia

rarely from disease in these chiefly the optic thalamus It may

be caused by affections of the labyrinth of the ear that induce

vertigo an important fact in connection with the influence of

cerebellar disease in causing it

Pathology The slighter degrees of nystagmus may develop into

those that are considerable and in these there is a deliberate

alternation of the opposing muscles This is apparently the result

of an excessive activity of the muscle-reflex action between reci-

procal muscles We cannot doubt that there are structures that

subserve this action in the nuclei of the ocular nerves analogous

to those that exist in the spinal cord Sherrington has obtained in

the latter a similar insubordination by cutting off the voluntary

impulse The same alternate movement occurs and he has proved

that the arrest of action in one muscle followed by a contraction

in the opponent is due to an afferent nerve impulse produced by

the extension of the latter which inhibits the spinal centre for the

former and is followed by activity of its own centre Thus the

same effect is produced and the alternation goes on The resem-

blance to nystagmus is perfect In this the acting muscles say

those moving the eyes to the right contract under the will but

just before they reach the limit of movement they suddenly relax

from central inhibition their opponents the left-sided muscles

contract and the eyes move back rather more slowly but just

before reaching the mid-position they are in turn arrested and a

quicker action of the right sided muscles again moves the eyes to

the right

The structures (muscle-spindles) which are believed to be sen-

sitive to tension do not present the same aspect in the ocular

muscles as in others but their tendons present sensitive neural

structures and the fact that a twig from each muscle nerve

passes to the fifth nerve shows that afferent impulses must arise

in them they doubtless pass to the highest cells of the fifth

nucleus adjacent to the motor nuclei But the muscle-reflex alter-

nation is not produced by a defect in the volitional impulse as in

the spinal centre Its causes are such as may disturb the balance of

the mid-brain structures which subserve all ocular reflex action

and also the association of the two eyes The structural arrange-

ment for the alternation of opposing ocular muscles must be ren-

dered insubordinate with readiness as is shown by the readiness

by which it becomes excessive in infantile nystagmus from a mere

disproportion in the amount of light This must act on the same

centre as far as concerns its influence on the ocular muscles and

enables us to understand that dim lighting is an element in causing

the minerrsquos form

Nystagmus when in moderate degree only occurs on voluntary

movement of the eyes it is absent at rest in the midposition The

reflex alternation is present only when the centre is energised by

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3187

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the volitional impulse But the latter causes the movement to be

quicker in the direction of volition In time the nystagmus in a

certain direction may attain such a degree that it continues when

the will is not acting and even in opposition to the will eg the

quick motion to the right may persist in the mid-position on

upward and downward movements and even during half the

movement of the eyes to the left These features show clearly

that the symptom depends on the lower mid-brain structures

We can understand that the derangement may be slight so as

to cause the nystagmus to have only the semblance of a slight

jerking to which it is reasonable to ascribe to the same mechanism

until there is evidence to the contrary Nystagmus accompanies

partial paralysis only when this has lasted for a time It must be

remembered that the impressions from the weakened muscle are

lessened and that they exert an influence on the centre

Moreover the tendency to alternate action seems sometimes to

be so partial as to involve individual muscles and in the oblique

movements in which two muscles take part the movements may

correspond to only one of them with its opponent The two eyes

act alike showing that the disorder is of structures above those for

the binocular connection We can conceive the complexity of the

arrangement but anatomy has not yet enabled us to localize or

unravel it

Among the influences that take part in balancing the lower

centres are those exerted by the labyrinth doubtless the semicir-

cular canals and their relation to equilibrium Increased pressure in

an exposed tympanic cavity and therefore the labyrinth causes

nystagmus the quicker movement being towards the other side

diminished pressure also causes it quick to the same side Brief

nystagmus follows rotation of the body and the injection of hot

or cold water or probing Disease on one side of the pons

abolishing conjugate movement the side diseased causes ener-

getic nystagmus on movement to the other side no doubt by

the loss of balance of the reflex structures

The subjective symptoms are often absent The oscillation of the

eyeballs must cause the image to move to and fro on the retina

but an apparent movement is confined to cases in which the

oscillation is wide and then only in the direction of the quicker

motion It is indeed hardly more than a tendency to move in the

same direction as the eyes as may be perceived by a voluntary

quick movement of the eyes to and fro Perhaps the tendency

to move is only the result of an after image which disappears in

the direction of motion There is no reason why there should be

apparent movement A movement of the eye with an opposite

and equal movement of the image on the retina gives the

impression that the object is still Enduring infantile nystagmus

is never attended by any sense of movement On the other

hand it is frequent in the nystagmus of miners and is not easy

to explain The ldquodancingrdquo of objects renders this form peculiarly

disabling

The practical importance of definite nystagmus is the evidence

it affords of organic disease visible or degenerative In such

a malady as disseminated sclerosis for instance with symptoms

easily misunderstood its indication is often of great service But it

is of small localising value except in showing disease in the cere-

bellum or medial mesial structures and a lesion outside the pons is

probably on the side towards which the chief nystagmic move-

ment takes place Slight nystagmus may be left by an old paralysis

of an ocular nerve which has quite passed away doubtless from

an enduring partial disturbance of balance in the reflex centre A

trifling nystagmus on certain trained movements may be conge-

nital but too rarely to be important

3188 | Brain 2012 135 3178ndash3188 M J Eadie et al

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ecember 2021

that they did lsquonot present the same aspect in the ocular muscles as

in othersrsquo Gowers suggested that nerve impulses from the ten-

dons of the external eye muscles travelled via the fifth cranial

nerve to the brainstem to act on neurons in the external eye

muscle nuclei thus providing the anatomical background for his

interpretation of the mechanism of nystagmus In the second edi-

tion of the Manual of diseases of the nervous system Gowers had

suggested that nystagmus arose from various sites in the CNS

including the spinal cord For the third edition he limited the

neural sites of origin of nystagmus to the brainstem and cerebel-

lum and the labyrinth Gowersrsquo new account provided a major

revision of the topic It showed that he had kept abreast of ad-

vances in physiology and could utilize these advances to develop

new explanations for disease phenomena

The second significant alteration proposed for Volume 2 ap-

peared at two separate places in the surviving material On

Figure 4 The first page of the new handwritten account of nystagmus with a single circular binder hole in an intermediate position in the

upper left-hand corner of the page Image courtesy of the Queen Square Library Archive and Museum Copyright National Hospital for

Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3183

Dow

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icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

page 573 Gowers had written the single word lsquomyastheniarsquo

beside the heading lsquochronic bulbar paralysis without anatomical

changersquo which referred to an entity described by Shaw (1890)

Gowers did not mention that Wilks (1877) had even earlier

recorded a similar instance which some subsequent authors

claimed may have been the first description of myasthenia

However as pointed out by Keynes (1961) Thomas Willis

(1683) had much earlier given a convincing description of myas-

thenia in the case of

lsquoan honest Woman who for many years has been obnoxious to

this sort of spurious Palsie not only in her Members but also in

her tongue she for some time can speak freely and readily

enough but after she has spoke long or hastily or eagerly

she is not able to speak a word but becomes as mute as a

Fish nor can she recover the use of her voice under an hour

or tworsquo

In addition to Gowersrsquo insertion of the single word lsquomyastheniarsquo

on page 573 there was attached to page 190 of Volume 2 in the

margin beside the subsection on diphtheritic paralysis of eye

movements a handwritten paragraph on myasthenia reading

lsquoMyastheniamdashin this mysterious malady (qv) weakness of the

ocular muscles is not rare The superior recti suffer most in

association with the levator amp orbicularis the inferior recti

least The affection of the lateral muscles varies much amp differs

even in those that act togetherrsquo

The lsquo(qv)rsquo suggests that there was to be a fuller account of the

disorder elsewhere in the new edition but none was found in the

surviving pages

Myasthenia was not mentioned in the second edition of

Gowersrsquo Manual of diseases of the nervous system

English-speaking neurology seems to have largely been unaware

of myasthenia until the last 2 or 3 years of the 19th century

though German authors were aware of the entity in the 1880s

(Keynes 1961) In March 1900 Gowersrsquo colleague Thomas

Buzzard described two cases seen at Queen Square Their diagno-

sis had been suggested by his house physician Edwin Bramwell

who at lsquoa foreign clinicrsquo had seen the disorder diagnosed Also

in 1900 Campbell and Bramwell published a major review of the

topic in Brain

On pages 235ndash6 of Volume 7 of Allbuttrsquos System of medicine

(1899) Beevor delved into the literature on lsquobulbar paralysis with-

out apparent anatomical changesrsquo without mentioning lsquomyasthe-

niarsquo The word did not appear in the index of that

particular volume However the general index to Allbuttrsquos

System of medicine in Volume 8 (also published in 1899) con-

tained the words lsquomyasthenia gravisrsquo (referring to page vii 236

ie to Beevorrsquos contribution where the words were not present)

This also suggests that British neurology became generally

aware of myasthenia in 1899 In 1902 Gowers described a

total of four cases of myasthenia in papers in consecutive

issues of the British Medical Journal (Gowers 1902a b)

There he rejected the idea that Wilks had described the disorder

in 1877

DiscussionThere is little doubt that though others failed to find it in the

interval a substantial part of the revised text for the third edition

of Volume 2 of Gowersrsquo Manual of Diseases of the Nervous

System with proposed revisions made in Gowersrsquo handwriting

has been rediscovered some six decades after Critchley (1949)

last recorded having seen it The identity of page 555 (Fig 5) of

the rediscovered material and the page that Critchley (1949) illu-

strated makes it virtually certain that the set of pages recently

found at Queen Square is that which Critchley saw

Unfortunately a little over half of the original text of Volume 2

is missing

How did the material come intoCritchleyrsquos handsJames Taylor (1859ndash1946) the disciple and friend of both

Hughlings Jackson and Gowers was responsible for compiling

Hughlings Jacksonrsquos Neurological fragments (1925) editing his

Selected writings (1931) and co-editing Volume 1 of the third

edition of Gowersrsquo Manual of diseases of the nervous system It

seems likely that he was also to have been joint editor of Volume

2 of the third edition of the manual though Gowers would have

played the leading role in the writing Possibly Taylor and Gowers

each received a set of second edition pages prepared for revision

and Gowersrsquo annotated set came into Taylorrsquos hands later and at

some stage found its way to Queen Square In his preface to

Gowersrsquo biography Critchley (1949) acknowledged the assistance

he received from Mrs James Taylor and an etching lsquoThe mouth of

the lynrsquo by Gowers reproduced in the biography (Plate X facing

p 88) was loaned to him by Taylorrsquos daughter The revised sheets

may have been given to Critchley by Mrs Taylor It would explain

the duplicates of a few pages of the manual in the surviving

material

Why was the revision never completedand publishedThe existence of a significant part of the revised text of Volume 2

of the Manual of diseases of the nervous system raises the ques-

tion as to why the work was never published When Volume 1 of

the first edition appeared its readers were told that Volume 2 was

in press When Volume 1 of the second edition appeared readers

were reassured that Volume 2 would soon be ready No assur-

ances were given regarding to the appearance of Volume 2 of the

third edition when Volume 1 was published

Work on Volume 2 of a third edition appears to have begun

with the cooperation of J amp A Churchill Gowersrsquo revisions were

written partly on the larger sheets of paper to which pages from

the second edition were glued Such sheets were the sort of ma-

terials that Churchillrsquos successor the firm of Churchill-Livingstone

provided to its authors for revising a book in the days before word

processing Gowersrsquo written changes show that he had made a

serious attempt to modernize and shorten the text of Volume 2

Why he chose to shorten it and omit case histories is unclear

3184 | Brain 2012 135 3178ndash3188 M J Eadie et al

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ecember 2021

Gowers and Taylor had expanded the text of Volume 1 of the

third edition from 616 to 692 pages Comparison of some random

sections of the second and third editions of Volume 1 (those on

sciatica acute ascending paralysis ataxic paraplegia and

Thomsenrsquos disease and paramyotonia) show no attempt to carry

out the editorial style shortenings of text that Gowers apparently

intended for Volume 2 of the third edition

Critchley (1949) wrote that Gowers suffered a breakdown in

health in 1894 suffering severe back pain which Gowers later

hinted was lsquolumbagorsquo (Gowers 1904) He went on a voyage to

South Africa and back to recuperate returning lsquowith the second

edition of his Manual re-written corrected and ready for the

pressrsquo (Critchley 1949 p 93) We now know that he went to

South Africa in 1898 not 1894 (Scott et al 2012) It must there-

fore have been the third edition of Volume 1 that Gowers worked

on during the voyage Possibly when unwell Gowers may have

allowed what he considered reasonably satisfactory material from

the earlier edition of Volume 1 to remain unaltered Later perhaps

in better health he was more radical in revising Volume 2

Gowers probably worked on the revision of Volume 2 in the

1898ndash1900 period On page 1040 of the second edition despite

making alterations he left unchanged a statement to the effect

that hypochondriasis had been recognized only in the early years

of the present century This suggests that he was writing before

1901 Furthermore in his new section on nystagmus he made

substantial use of Sherringtonrsquos concept of reciprocal inhibition

an idea he probably would have become aware of around 1898

or slightly earlier

Could poor health have prevented Gowers from completing the

revision of Volume 2 in which he would almost certainly have

been the dominant partner On medical advice to reduce his

workload he gave up editing his pet project the Phonographic

Record of Clinical Teaching and Medical Science in 1899

However he published several major papers between 1899 and

Figure 5 Page 555 of Volume 2 of the second edition of the Manual of diseases of the nervous system part of the section dealing with

insular (disseminated) sclerosis This page was reproduced by Critchley (1949) as Plate X in his biography of Gowers but the upper part of

the page was cropped so that the two irregular binder holes did not show Image courtesy of the Queen Square Library Archive and

Museum Copyright National Hospital for Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3185

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ecember 2021

1900 In 1901 he produced a second edition of his monograph

Epilepsy and other chronic convulsive diseases which included his

analysis of his records of 3000 patients Although Foster Kennedy

wrote in 1908 that Gowers was lsquobreaking up badlyrsquo (Butterfield

1981) his book The borderland of epilepsy appeared in 1909 On

the whole declining health does not seem a sufficient explanation

for Gowersrsquo failure to complete the third edition although it may

have contributed

Gowersrsquo Lancet obituary (Anonymous 1915b) mentioned that

he had contemplated producing a single volume shortened version

of the Manual of diseases of the nervous system omitting ana-

tomical and physiological material This possibility may have

diverted him from his revision for the third edition but if so nei-

ther project ever came to fruition whereas other subsequent

major publications from his pen did Also there had been an

American single volume 1357mdashpage version of the first edition

of the Manual of diseases of the nervous system and its format

had been criticized for being lsquoexceedingly clumsyrsquo (BS 1888)

Critchley (1949) suggested that sales of the third edition of

Volume 1 of the Manual of diseases of the nervous system pub-

lished in 1899 may have been adversely affected because

Macmillan brought out Volumes 7 and 8 of Allbuttrsquos System of

medicine in the same year These volumes contained the full

multi-authored neurological content of the System of medicine

Perhaps this is the explanation though it seems unlikely that as

early as 1900 poor sales of Volume 1 which had been published

only in the previous year would have been sufficiently evident to

cause further work on Volume 2 to be abandoned Also three

reviews of Volume 1 (Anonymous 1899a b c) in the British

Medical Journal Lancet and Journal of the American Medical

Association were highly favourable

Volume 7 of Allbuttrsquos System of medicine contained Gowersrsquo

account of epilepsy (Gowers 1899a) and Taylorrsquos chapters on

lsquoThe cerebral palsies of childrenrsquo (Taylor 1899a) and lsquoOcclusion

of cerebral vesselsrsquo (Taylor 1899b) Gowers had annotated the

text relating to Taylorrsquos latter topic for the third edition of the

Manual of diseases of the nervous system before his revising ap-

peared to cease Allbuttrsquos Volume 8 contained Gowersrsquo account of

paralysis agitans in which he developed his ideas relating to stress

as a triggering factor (Gowers 1899b) These recently available

accounts in a work produced by one publisher and written by the

authors of Gowersrsquo Manual of diseases of the nervous system

dealt with substantial topics that would have had to be considered

in Volume 2 of a new edition of the manual (with its different

publisher) This situation may have produced copyright or other

commercial issues Whether such matters explain why a third edi-

tion of Volume 2 of the Manual of diseases of the nervous system

never appeared can now be only a matter for conjecture

However the timing and Gowers apparent abandoning his revi-

sion part of the way through the task are consistent with this

possibility Whatever happened then relations between Gowers

Taylor and J amp A Churchill seem to have remained amicable As

well as the second edition of Gowersrsquo Epilepsy and other chronic

convulsive diseases in 1901 Churchill brought out his The

borderland of epilepsy in 1909 and Taylorrsquos Paralysis and other

diseases of the nervous system in childhood and early life in

1905

The real reason for Volume 2 of the third edition of Gowersrsquo

masterpiece never appearing may forever remain uncertain but

evidence is again available in the archives at the National

Hospital for Neurology and Neurosurgery at Queen Square that

he had gone some distance towards completing what was possibly

his only unfinished major project

ReferencesAllbutt TC A system of medicine by many writers Vol 7 and 8 London

Macmillan 1899

Anonymous A manual of diseases of the nervous system In WR

Gowers MD FRS editors 2nd edn Vol II London J amp A

Churchill 1893 BMJ 1894 1 246ndash7

Anonymous A manual of diseases of the nervous system By Sir W

Gowers MD FRCP FRS Edited by Sir W R Gowers and James Taylor

MA MD FRCP JAMA 1899a 33 744ndash5

Anonymous A manual of diseases of the nervous system In Sir William

Gowers MD FRCPLond FRS 3rd edn Sir William Gowers and James

Taylor MA MD Edin FRCP Lond Vol 1 Lancet 1899b 1 698ndash9

Anonymous A manual of the diseases of the nervous system Vol 1 In

Gowers WR editor Diseases of the nerves and spinal cord James

Taylor BMJ 1899c 1 737ndash8

Anonymous Obituary Sir William Gowers MD FRCP FRS BMJ 1915a

1 828ndash30

Anonymous Obituary Sir William Gowers MD Lond and Dub FRCP

Lond LLD Edin FRS Lancet 1915b 1 1055ndash6

BS Reviews A manual of diseases of the nervous system In Gowers

WR FRCP American Edition with 341 illustrations P Blakiston Son amp

Co 1888 J Nerv Ment Dis 1888 13 325ndash7

Butterfield EK The making of a neurologist the letters of Foster Kennedy

1884ndash1952 to his wife Cambridge Privately published 1981

Buzzard T Clinical lecture on cases of myasthenia gravis

pseudo-paralytica BMJ 1990 1 493ndash6

Campbell H Bramwell E Myasthenia gravis Brain 1900 23 277ndash336

Critchley M Sir William Gowers 1845ndash1915 A biographical appreciation

London Heinemann 1949

Gowers Sir W Epilepsy In Allbutt TC editor A system of medicine by

many writers Vol 7 London Macmillan 1899a p 758ndash97

Gowers WR A manual of diseases of the nervous system 1st edn 1886

1888 Vols 1 and 2 2nd edn 1892 amp 1893 3rd edn (Taylor J

co-editor) Vol 1 London J amp A Churchill 1899Gowers WR Paralysis agitans In Allbutt TC editor A system of

medicine by many writers Vol 8 London Macmillan 1899b

p 73ndash82

Gowers WR Epilepsy and other chronic convulsive diseases 2nd edn

London J amp A Churchill 1901

Gowers WR Remarks on myasthenia and ophthalmoplegia BMJ 1902

1 1253ndash6

Gowers WR Further remarks on myasthenia BMJ 1902 1 1323ndash4Gowers WR A lecture on lumbago its lessons and analogues BMJ

1904 1 117ndash21

Gowers WR The borderland of epilepsy London Churchill 1907Gowers WR The Hughlings-Jackson lecture on special sense discharges

from organic disease Brain 1909 32 303ndash26Hughlings Jackson J Neurological fragments Humphrey Milford

London Oxford University Press 1925Hughlings Jackson J In Taylor J editor Selected writings of

John Hughlings Jackson Vol 1ndash2 London Hodder amp Stoughton

1931

Keynes G The history of myasthenia gravis Med Hist 1961 5 313ndash26McDonald WI The mystery of the origin of multiple sclerosis J Neurol

Neurosurg Psychiatr 1986 49 113ndash23Scott A Ernest Gowers plain words and forgotten deeds Basingstoke

Palgrave Macmillan 2009

3186 | Brain 2012 135 3178ndash3188 M J Eadie et al

Dow

nloaded from httpsacadem

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ecember 2021

Scott A Eadie MJ Lees A Sir William Gowers (1845ndash1915) exploring

the Victorian brain Oxford Oxford University Press 2012Shaw LE A case of bulbar paralysis without structural changes in the

medulla Brain 1890 13 96ndash9

Sherrington CS Croonian lecturesmdashthe mammalian spinal cord as an

organ of reflex action Abstract Phil Trans 1897 61 220ndash1

Sherrington CS Experiments in examination of the peripheral distributionof the fibres of the posterior roots of some spinal nerves Part II Phil

Trans 1898 190 45ndash186

Spillane JD The doctrine of the nerves Oxford Oxford University Press

1891

Taylor J The cerebral palsies of children In Allbutt TC editor A system

of medicine by many writers London Macmillan 1899a p 735ndash44Taylor J Occlusion of cerebral vessels In Allbutt TC editor A system of

medicine by many writers London Macmillan 1899b p 560ndash76

Taylor J Paralysis and other diseases of the nervous system in childhood

and early life London J amp A Churchill 1905Wilks S On cerebritis hysteria and bulbar paralysis as illustrative of

arrest of function of the cerebrospinal centres Guyrsquos Hosp Rep

1877 22 7ndash55

Willis T In Pordage S translator Two discourses concerning the soul of

brutes which is that of the vital and sensitive of man London Dring

Harper and Leigh 1683

Appendix I

NystagmusNystagmus is an oscillation of the eyeballs rarely of one only due

to an alternate contraction of the opposing muscles They should

act together the opponent supporting yet yielding to the acting

muscle The alternation causes a to and fro movement usually of

both eyes and synchronous It occurs on voluntary movement but

sometimes goes on in the mid position In the direction in which

the will acts the movement is more rapid than in the return It may

recur on movement in any direction or only in one In the hor-

izontal movements it is usually greater in the outward moving

eye which is the more important Sometimes the motion is rota-

tory amp then is slight and often unilateralmdashthe degree of move-

ment varies much a slight jerking may attend defective power

after it has rested for some time and has been thought to be

different in nature from the pronounced oscillation but this is

uncertain The motion sometimes varies in degree even under

observation Usually uniform a considerable movement sometimes

separates two or three smaller jerks Its time varies and is the

more rapid the smaller the range of movement roughly speaking

the double movement occurs from 80 to 180 per minute Other

features will be considered presently

From the common form the acquired nystagmus of central

disease two other varieties may be distinguished which are

important in connection with its origin An infantile form begins

in the first month of life Sometimes it is associated with a similar

alternate contraction of the muscles of the head and neck causing

nodding movements More commonly it develops when there is a

condition lessening the amount of light which enters the eye such

as a superficial disease of any kind It also occurs in albinism when

the amount of light is in excess Thus there is an abnormal

amount of light during the time when the child acquires the

power of fixing a light a process in which a reflex action on the

muscles takes an important share This form consists of an

alternate action of the same rate there is not the quicker

motion in the direction of volition

Minerrsquos nystagmus develops in those who have worked for

years in getting coal lying in a constrained position with the

head inclined It occurs especially in badly lighted mines and is

disposed to by defects of general health and alcoholism It is

often rotatory

The common form results from organic disease or degeneration

near or in the mid-brain pons or cerebellum It is not met with in

disease of the cerebral hemisphere above the central ganglia

rarely from disease in these chiefly the optic thalamus It may

be caused by affections of the labyrinth of the ear that induce

vertigo an important fact in connection with the influence of

cerebellar disease in causing it

Pathology The slighter degrees of nystagmus may develop into

those that are considerable and in these there is a deliberate

alternation of the opposing muscles This is apparently the result

of an excessive activity of the muscle-reflex action between reci-

procal muscles We cannot doubt that there are structures that

subserve this action in the nuclei of the ocular nerves analogous

to those that exist in the spinal cord Sherrington has obtained in

the latter a similar insubordination by cutting off the voluntary

impulse The same alternate movement occurs and he has proved

that the arrest of action in one muscle followed by a contraction

in the opponent is due to an afferent nerve impulse produced by

the extension of the latter which inhibits the spinal centre for the

former and is followed by activity of its own centre Thus the

same effect is produced and the alternation goes on The resem-

blance to nystagmus is perfect In this the acting muscles say

those moving the eyes to the right contract under the will but

just before they reach the limit of movement they suddenly relax

from central inhibition their opponents the left-sided muscles

contract and the eyes move back rather more slowly but just

before reaching the mid-position they are in turn arrested and a

quicker action of the right sided muscles again moves the eyes to

the right

The structures (muscle-spindles) which are believed to be sen-

sitive to tension do not present the same aspect in the ocular

muscles as in others but their tendons present sensitive neural

structures and the fact that a twig from each muscle nerve

passes to the fifth nerve shows that afferent impulses must arise

in them they doubtless pass to the highest cells of the fifth

nucleus adjacent to the motor nuclei But the muscle-reflex alter-

nation is not produced by a defect in the volitional impulse as in

the spinal centre Its causes are such as may disturb the balance of

the mid-brain structures which subserve all ocular reflex action

and also the association of the two eyes The structural arrange-

ment for the alternation of opposing ocular muscles must be ren-

dered insubordinate with readiness as is shown by the readiness

by which it becomes excessive in infantile nystagmus from a mere

disproportion in the amount of light This must act on the same

centre as far as concerns its influence on the ocular muscles and

enables us to understand that dim lighting is an element in causing

the minerrsquos form

Nystagmus when in moderate degree only occurs on voluntary

movement of the eyes it is absent at rest in the midposition The

reflex alternation is present only when the centre is energised by

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3187

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the volitional impulse But the latter causes the movement to be

quicker in the direction of volition In time the nystagmus in a

certain direction may attain such a degree that it continues when

the will is not acting and even in opposition to the will eg the

quick motion to the right may persist in the mid-position on

upward and downward movements and even during half the

movement of the eyes to the left These features show clearly

that the symptom depends on the lower mid-brain structures

We can understand that the derangement may be slight so as

to cause the nystagmus to have only the semblance of a slight

jerking to which it is reasonable to ascribe to the same mechanism

until there is evidence to the contrary Nystagmus accompanies

partial paralysis only when this has lasted for a time It must be

remembered that the impressions from the weakened muscle are

lessened and that they exert an influence on the centre

Moreover the tendency to alternate action seems sometimes to

be so partial as to involve individual muscles and in the oblique

movements in which two muscles take part the movements may

correspond to only one of them with its opponent The two eyes

act alike showing that the disorder is of structures above those for

the binocular connection We can conceive the complexity of the

arrangement but anatomy has not yet enabled us to localize or

unravel it

Among the influences that take part in balancing the lower

centres are those exerted by the labyrinth doubtless the semicir-

cular canals and their relation to equilibrium Increased pressure in

an exposed tympanic cavity and therefore the labyrinth causes

nystagmus the quicker movement being towards the other side

diminished pressure also causes it quick to the same side Brief

nystagmus follows rotation of the body and the injection of hot

or cold water or probing Disease on one side of the pons

abolishing conjugate movement the side diseased causes ener-

getic nystagmus on movement to the other side no doubt by

the loss of balance of the reflex structures

The subjective symptoms are often absent The oscillation of the

eyeballs must cause the image to move to and fro on the retina

but an apparent movement is confined to cases in which the

oscillation is wide and then only in the direction of the quicker

motion It is indeed hardly more than a tendency to move in the

same direction as the eyes as may be perceived by a voluntary

quick movement of the eyes to and fro Perhaps the tendency

to move is only the result of an after image which disappears in

the direction of motion There is no reason why there should be

apparent movement A movement of the eye with an opposite

and equal movement of the image on the retina gives the

impression that the object is still Enduring infantile nystagmus

is never attended by any sense of movement On the other

hand it is frequent in the nystagmus of miners and is not easy

to explain The ldquodancingrdquo of objects renders this form peculiarly

disabling

The practical importance of definite nystagmus is the evidence

it affords of organic disease visible or degenerative In such

a malady as disseminated sclerosis for instance with symptoms

easily misunderstood its indication is often of great service But it

is of small localising value except in showing disease in the cere-

bellum or medial mesial structures and a lesion outside the pons is

probably on the side towards which the chief nystagmic move-

ment takes place Slight nystagmus may be left by an old paralysis

of an ocular nerve which has quite passed away doubtless from

an enduring partial disturbance of balance in the reflex centre A

trifling nystagmus on certain trained movements may be conge-

nital but too rarely to be important

3188 | Brain 2012 135 3178ndash3188 M J Eadie et al

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page 573 Gowers had written the single word lsquomyastheniarsquo

beside the heading lsquochronic bulbar paralysis without anatomical

changersquo which referred to an entity described by Shaw (1890)

Gowers did not mention that Wilks (1877) had even earlier

recorded a similar instance which some subsequent authors

claimed may have been the first description of myasthenia

However as pointed out by Keynes (1961) Thomas Willis

(1683) had much earlier given a convincing description of myas-

thenia in the case of

lsquoan honest Woman who for many years has been obnoxious to

this sort of spurious Palsie not only in her Members but also in

her tongue she for some time can speak freely and readily

enough but after she has spoke long or hastily or eagerly

she is not able to speak a word but becomes as mute as a

Fish nor can she recover the use of her voice under an hour

or tworsquo

In addition to Gowersrsquo insertion of the single word lsquomyastheniarsquo

on page 573 there was attached to page 190 of Volume 2 in the

margin beside the subsection on diphtheritic paralysis of eye

movements a handwritten paragraph on myasthenia reading

lsquoMyastheniamdashin this mysterious malady (qv) weakness of the

ocular muscles is not rare The superior recti suffer most in

association with the levator amp orbicularis the inferior recti

least The affection of the lateral muscles varies much amp differs

even in those that act togetherrsquo

The lsquo(qv)rsquo suggests that there was to be a fuller account of the

disorder elsewhere in the new edition but none was found in the

surviving pages

Myasthenia was not mentioned in the second edition of

Gowersrsquo Manual of diseases of the nervous system

English-speaking neurology seems to have largely been unaware

of myasthenia until the last 2 or 3 years of the 19th century

though German authors were aware of the entity in the 1880s

(Keynes 1961) In March 1900 Gowersrsquo colleague Thomas

Buzzard described two cases seen at Queen Square Their diagno-

sis had been suggested by his house physician Edwin Bramwell

who at lsquoa foreign clinicrsquo had seen the disorder diagnosed Also

in 1900 Campbell and Bramwell published a major review of the

topic in Brain

On pages 235ndash6 of Volume 7 of Allbuttrsquos System of medicine

(1899) Beevor delved into the literature on lsquobulbar paralysis with-

out apparent anatomical changesrsquo without mentioning lsquomyasthe-

niarsquo The word did not appear in the index of that

particular volume However the general index to Allbuttrsquos

System of medicine in Volume 8 (also published in 1899) con-

tained the words lsquomyasthenia gravisrsquo (referring to page vii 236

ie to Beevorrsquos contribution where the words were not present)

This also suggests that British neurology became generally

aware of myasthenia in 1899 In 1902 Gowers described a

total of four cases of myasthenia in papers in consecutive

issues of the British Medical Journal (Gowers 1902a b)

There he rejected the idea that Wilks had described the disorder

in 1877

DiscussionThere is little doubt that though others failed to find it in the

interval a substantial part of the revised text for the third edition

of Volume 2 of Gowersrsquo Manual of Diseases of the Nervous

System with proposed revisions made in Gowersrsquo handwriting

has been rediscovered some six decades after Critchley (1949)

last recorded having seen it The identity of page 555 (Fig 5) of

the rediscovered material and the page that Critchley (1949) illu-

strated makes it virtually certain that the set of pages recently

found at Queen Square is that which Critchley saw

Unfortunately a little over half of the original text of Volume 2

is missing

How did the material come intoCritchleyrsquos handsJames Taylor (1859ndash1946) the disciple and friend of both

Hughlings Jackson and Gowers was responsible for compiling

Hughlings Jacksonrsquos Neurological fragments (1925) editing his

Selected writings (1931) and co-editing Volume 1 of the third

edition of Gowersrsquo Manual of diseases of the nervous system It

seems likely that he was also to have been joint editor of Volume

2 of the third edition of the manual though Gowers would have

played the leading role in the writing Possibly Taylor and Gowers

each received a set of second edition pages prepared for revision

and Gowersrsquo annotated set came into Taylorrsquos hands later and at

some stage found its way to Queen Square In his preface to

Gowersrsquo biography Critchley (1949) acknowledged the assistance

he received from Mrs James Taylor and an etching lsquoThe mouth of

the lynrsquo by Gowers reproduced in the biography (Plate X facing

p 88) was loaned to him by Taylorrsquos daughter The revised sheets

may have been given to Critchley by Mrs Taylor It would explain

the duplicates of a few pages of the manual in the surviving

material

Why was the revision never completedand publishedThe existence of a significant part of the revised text of Volume 2

of the Manual of diseases of the nervous system raises the ques-

tion as to why the work was never published When Volume 1 of

the first edition appeared its readers were told that Volume 2 was

in press When Volume 1 of the second edition appeared readers

were reassured that Volume 2 would soon be ready No assur-

ances were given regarding to the appearance of Volume 2 of the

third edition when Volume 1 was published

Work on Volume 2 of a third edition appears to have begun

with the cooperation of J amp A Churchill Gowersrsquo revisions were

written partly on the larger sheets of paper to which pages from

the second edition were glued Such sheets were the sort of ma-

terials that Churchillrsquos successor the firm of Churchill-Livingstone

provided to its authors for revising a book in the days before word

processing Gowersrsquo written changes show that he had made a

serious attempt to modernize and shorten the text of Volume 2

Why he chose to shorten it and omit case histories is unclear

3184 | Brain 2012 135 3178ndash3188 M J Eadie et al

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ecember 2021

Gowers and Taylor had expanded the text of Volume 1 of the

third edition from 616 to 692 pages Comparison of some random

sections of the second and third editions of Volume 1 (those on

sciatica acute ascending paralysis ataxic paraplegia and

Thomsenrsquos disease and paramyotonia) show no attempt to carry

out the editorial style shortenings of text that Gowers apparently

intended for Volume 2 of the third edition

Critchley (1949) wrote that Gowers suffered a breakdown in

health in 1894 suffering severe back pain which Gowers later

hinted was lsquolumbagorsquo (Gowers 1904) He went on a voyage to

South Africa and back to recuperate returning lsquowith the second

edition of his Manual re-written corrected and ready for the

pressrsquo (Critchley 1949 p 93) We now know that he went to

South Africa in 1898 not 1894 (Scott et al 2012) It must there-

fore have been the third edition of Volume 1 that Gowers worked

on during the voyage Possibly when unwell Gowers may have

allowed what he considered reasonably satisfactory material from

the earlier edition of Volume 1 to remain unaltered Later perhaps

in better health he was more radical in revising Volume 2

Gowers probably worked on the revision of Volume 2 in the

1898ndash1900 period On page 1040 of the second edition despite

making alterations he left unchanged a statement to the effect

that hypochondriasis had been recognized only in the early years

of the present century This suggests that he was writing before

1901 Furthermore in his new section on nystagmus he made

substantial use of Sherringtonrsquos concept of reciprocal inhibition

an idea he probably would have become aware of around 1898

or slightly earlier

Could poor health have prevented Gowers from completing the

revision of Volume 2 in which he would almost certainly have

been the dominant partner On medical advice to reduce his

workload he gave up editing his pet project the Phonographic

Record of Clinical Teaching and Medical Science in 1899

However he published several major papers between 1899 and

Figure 5 Page 555 of Volume 2 of the second edition of the Manual of diseases of the nervous system part of the section dealing with

insular (disseminated) sclerosis This page was reproduced by Critchley (1949) as Plate X in his biography of Gowers but the upper part of

the page was cropped so that the two irregular binder holes did not show Image courtesy of the Queen Square Library Archive and

Museum Copyright National Hospital for Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3185

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ecember 2021

1900 In 1901 he produced a second edition of his monograph

Epilepsy and other chronic convulsive diseases which included his

analysis of his records of 3000 patients Although Foster Kennedy

wrote in 1908 that Gowers was lsquobreaking up badlyrsquo (Butterfield

1981) his book The borderland of epilepsy appeared in 1909 On

the whole declining health does not seem a sufficient explanation

for Gowersrsquo failure to complete the third edition although it may

have contributed

Gowersrsquo Lancet obituary (Anonymous 1915b) mentioned that

he had contemplated producing a single volume shortened version

of the Manual of diseases of the nervous system omitting ana-

tomical and physiological material This possibility may have

diverted him from his revision for the third edition but if so nei-

ther project ever came to fruition whereas other subsequent

major publications from his pen did Also there had been an

American single volume 1357mdashpage version of the first edition

of the Manual of diseases of the nervous system and its format

had been criticized for being lsquoexceedingly clumsyrsquo (BS 1888)

Critchley (1949) suggested that sales of the third edition of

Volume 1 of the Manual of diseases of the nervous system pub-

lished in 1899 may have been adversely affected because

Macmillan brought out Volumes 7 and 8 of Allbuttrsquos System of

medicine in the same year These volumes contained the full

multi-authored neurological content of the System of medicine

Perhaps this is the explanation though it seems unlikely that as

early as 1900 poor sales of Volume 1 which had been published

only in the previous year would have been sufficiently evident to

cause further work on Volume 2 to be abandoned Also three

reviews of Volume 1 (Anonymous 1899a b c) in the British

Medical Journal Lancet and Journal of the American Medical

Association were highly favourable

Volume 7 of Allbuttrsquos System of medicine contained Gowersrsquo

account of epilepsy (Gowers 1899a) and Taylorrsquos chapters on

lsquoThe cerebral palsies of childrenrsquo (Taylor 1899a) and lsquoOcclusion

of cerebral vesselsrsquo (Taylor 1899b) Gowers had annotated the

text relating to Taylorrsquos latter topic for the third edition of the

Manual of diseases of the nervous system before his revising ap-

peared to cease Allbuttrsquos Volume 8 contained Gowersrsquo account of

paralysis agitans in which he developed his ideas relating to stress

as a triggering factor (Gowers 1899b) These recently available

accounts in a work produced by one publisher and written by the

authors of Gowersrsquo Manual of diseases of the nervous system

dealt with substantial topics that would have had to be considered

in Volume 2 of a new edition of the manual (with its different

publisher) This situation may have produced copyright or other

commercial issues Whether such matters explain why a third edi-

tion of Volume 2 of the Manual of diseases of the nervous system

never appeared can now be only a matter for conjecture

However the timing and Gowers apparent abandoning his revi-

sion part of the way through the task are consistent with this

possibility Whatever happened then relations between Gowers

Taylor and J amp A Churchill seem to have remained amicable As

well as the second edition of Gowersrsquo Epilepsy and other chronic

convulsive diseases in 1901 Churchill brought out his The

borderland of epilepsy in 1909 and Taylorrsquos Paralysis and other

diseases of the nervous system in childhood and early life in

1905

The real reason for Volume 2 of the third edition of Gowersrsquo

masterpiece never appearing may forever remain uncertain but

evidence is again available in the archives at the National

Hospital for Neurology and Neurosurgery at Queen Square that

he had gone some distance towards completing what was possibly

his only unfinished major project

ReferencesAllbutt TC A system of medicine by many writers Vol 7 and 8 London

Macmillan 1899

Anonymous A manual of diseases of the nervous system In WR

Gowers MD FRS editors 2nd edn Vol II London J amp A

Churchill 1893 BMJ 1894 1 246ndash7

Anonymous A manual of diseases of the nervous system By Sir W

Gowers MD FRCP FRS Edited by Sir W R Gowers and James Taylor

MA MD FRCP JAMA 1899a 33 744ndash5

Anonymous A manual of diseases of the nervous system In Sir William

Gowers MD FRCPLond FRS 3rd edn Sir William Gowers and James

Taylor MA MD Edin FRCP Lond Vol 1 Lancet 1899b 1 698ndash9

Anonymous A manual of the diseases of the nervous system Vol 1 In

Gowers WR editor Diseases of the nerves and spinal cord James

Taylor BMJ 1899c 1 737ndash8

Anonymous Obituary Sir William Gowers MD FRCP FRS BMJ 1915a

1 828ndash30

Anonymous Obituary Sir William Gowers MD Lond and Dub FRCP

Lond LLD Edin FRS Lancet 1915b 1 1055ndash6

BS Reviews A manual of diseases of the nervous system In Gowers

WR FRCP American Edition with 341 illustrations P Blakiston Son amp

Co 1888 J Nerv Ment Dis 1888 13 325ndash7

Butterfield EK The making of a neurologist the letters of Foster Kennedy

1884ndash1952 to his wife Cambridge Privately published 1981

Buzzard T Clinical lecture on cases of myasthenia gravis

pseudo-paralytica BMJ 1990 1 493ndash6

Campbell H Bramwell E Myasthenia gravis Brain 1900 23 277ndash336

Critchley M Sir William Gowers 1845ndash1915 A biographical appreciation

London Heinemann 1949

Gowers Sir W Epilepsy In Allbutt TC editor A system of medicine by

many writers Vol 7 London Macmillan 1899a p 758ndash97

Gowers WR A manual of diseases of the nervous system 1st edn 1886

1888 Vols 1 and 2 2nd edn 1892 amp 1893 3rd edn (Taylor J

co-editor) Vol 1 London J amp A Churchill 1899Gowers WR Paralysis agitans In Allbutt TC editor A system of

medicine by many writers Vol 8 London Macmillan 1899b

p 73ndash82

Gowers WR Epilepsy and other chronic convulsive diseases 2nd edn

London J amp A Churchill 1901

Gowers WR Remarks on myasthenia and ophthalmoplegia BMJ 1902

1 1253ndash6

Gowers WR Further remarks on myasthenia BMJ 1902 1 1323ndash4Gowers WR A lecture on lumbago its lessons and analogues BMJ

1904 1 117ndash21

Gowers WR The borderland of epilepsy London Churchill 1907Gowers WR The Hughlings-Jackson lecture on special sense discharges

from organic disease Brain 1909 32 303ndash26Hughlings Jackson J Neurological fragments Humphrey Milford

London Oxford University Press 1925Hughlings Jackson J In Taylor J editor Selected writings of

John Hughlings Jackson Vol 1ndash2 London Hodder amp Stoughton

1931

Keynes G The history of myasthenia gravis Med Hist 1961 5 313ndash26McDonald WI The mystery of the origin of multiple sclerosis J Neurol

Neurosurg Psychiatr 1986 49 113ndash23Scott A Ernest Gowers plain words and forgotten deeds Basingstoke

Palgrave Macmillan 2009

3186 | Brain 2012 135 3178ndash3188 M J Eadie et al

Dow

nloaded from httpsacadem

icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

Scott A Eadie MJ Lees A Sir William Gowers (1845ndash1915) exploring

the Victorian brain Oxford Oxford University Press 2012Shaw LE A case of bulbar paralysis without structural changes in the

medulla Brain 1890 13 96ndash9

Sherrington CS Croonian lecturesmdashthe mammalian spinal cord as an

organ of reflex action Abstract Phil Trans 1897 61 220ndash1

Sherrington CS Experiments in examination of the peripheral distributionof the fibres of the posterior roots of some spinal nerves Part II Phil

Trans 1898 190 45ndash186

Spillane JD The doctrine of the nerves Oxford Oxford University Press

1891

Taylor J The cerebral palsies of children In Allbutt TC editor A system

of medicine by many writers London Macmillan 1899a p 735ndash44Taylor J Occlusion of cerebral vessels In Allbutt TC editor A system of

medicine by many writers London Macmillan 1899b p 560ndash76

Taylor J Paralysis and other diseases of the nervous system in childhood

and early life London J amp A Churchill 1905Wilks S On cerebritis hysteria and bulbar paralysis as illustrative of

arrest of function of the cerebrospinal centres Guyrsquos Hosp Rep

1877 22 7ndash55

Willis T In Pordage S translator Two discourses concerning the soul of

brutes which is that of the vital and sensitive of man London Dring

Harper and Leigh 1683

Appendix I

NystagmusNystagmus is an oscillation of the eyeballs rarely of one only due

to an alternate contraction of the opposing muscles They should

act together the opponent supporting yet yielding to the acting

muscle The alternation causes a to and fro movement usually of

both eyes and synchronous It occurs on voluntary movement but

sometimes goes on in the mid position In the direction in which

the will acts the movement is more rapid than in the return It may

recur on movement in any direction or only in one In the hor-

izontal movements it is usually greater in the outward moving

eye which is the more important Sometimes the motion is rota-

tory amp then is slight and often unilateralmdashthe degree of move-

ment varies much a slight jerking may attend defective power

after it has rested for some time and has been thought to be

different in nature from the pronounced oscillation but this is

uncertain The motion sometimes varies in degree even under

observation Usually uniform a considerable movement sometimes

separates two or three smaller jerks Its time varies and is the

more rapid the smaller the range of movement roughly speaking

the double movement occurs from 80 to 180 per minute Other

features will be considered presently

From the common form the acquired nystagmus of central

disease two other varieties may be distinguished which are

important in connection with its origin An infantile form begins

in the first month of life Sometimes it is associated with a similar

alternate contraction of the muscles of the head and neck causing

nodding movements More commonly it develops when there is a

condition lessening the amount of light which enters the eye such

as a superficial disease of any kind It also occurs in albinism when

the amount of light is in excess Thus there is an abnormal

amount of light during the time when the child acquires the

power of fixing a light a process in which a reflex action on the

muscles takes an important share This form consists of an

alternate action of the same rate there is not the quicker

motion in the direction of volition

Minerrsquos nystagmus develops in those who have worked for

years in getting coal lying in a constrained position with the

head inclined It occurs especially in badly lighted mines and is

disposed to by defects of general health and alcoholism It is

often rotatory

The common form results from organic disease or degeneration

near or in the mid-brain pons or cerebellum It is not met with in

disease of the cerebral hemisphere above the central ganglia

rarely from disease in these chiefly the optic thalamus It may

be caused by affections of the labyrinth of the ear that induce

vertigo an important fact in connection with the influence of

cerebellar disease in causing it

Pathology The slighter degrees of nystagmus may develop into

those that are considerable and in these there is a deliberate

alternation of the opposing muscles This is apparently the result

of an excessive activity of the muscle-reflex action between reci-

procal muscles We cannot doubt that there are structures that

subserve this action in the nuclei of the ocular nerves analogous

to those that exist in the spinal cord Sherrington has obtained in

the latter a similar insubordination by cutting off the voluntary

impulse The same alternate movement occurs and he has proved

that the arrest of action in one muscle followed by a contraction

in the opponent is due to an afferent nerve impulse produced by

the extension of the latter which inhibits the spinal centre for the

former and is followed by activity of its own centre Thus the

same effect is produced and the alternation goes on The resem-

blance to nystagmus is perfect In this the acting muscles say

those moving the eyes to the right contract under the will but

just before they reach the limit of movement they suddenly relax

from central inhibition their opponents the left-sided muscles

contract and the eyes move back rather more slowly but just

before reaching the mid-position they are in turn arrested and a

quicker action of the right sided muscles again moves the eyes to

the right

The structures (muscle-spindles) which are believed to be sen-

sitive to tension do not present the same aspect in the ocular

muscles as in others but their tendons present sensitive neural

structures and the fact that a twig from each muscle nerve

passes to the fifth nerve shows that afferent impulses must arise

in them they doubtless pass to the highest cells of the fifth

nucleus adjacent to the motor nuclei But the muscle-reflex alter-

nation is not produced by a defect in the volitional impulse as in

the spinal centre Its causes are such as may disturb the balance of

the mid-brain structures which subserve all ocular reflex action

and also the association of the two eyes The structural arrange-

ment for the alternation of opposing ocular muscles must be ren-

dered insubordinate with readiness as is shown by the readiness

by which it becomes excessive in infantile nystagmus from a mere

disproportion in the amount of light This must act on the same

centre as far as concerns its influence on the ocular muscles and

enables us to understand that dim lighting is an element in causing

the minerrsquos form

Nystagmus when in moderate degree only occurs on voluntary

movement of the eyes it is absent at rest in the midposition The

reflex alternation is present only when the centre is energised by

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3187

Dow

nloaded from httpsacadem

icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

the volitional impulse But the latter causes the movement to be

quicker in the direction of volition In time the nystagmus in a

certain direction may attain such a degree that it continues when

the will is not acting and even in opposition to the will eg the

quick motion to the right may persist in the mid-position on

upward and downward movements and even during half the

movement of the eyes to the left These features show clearly

that the symptom depends on the lower mid-brain structures

We can understand that the derangement may be slight so as

to cause the nystagmus to have only the semblance of a slight

jerking to which it is reasonable to ascribe to the same mechanism

until there is evidence to the contrary Nystagmus accompanies

partial paralysis only when this has lasted for a time It must be

remembered that the impressions from the weakened muscle are

lessened and that they exert an influence on the centre

Moreover the tendency to alternate action seems sometimes to

be so partial as to involve individual muscles and in the oblique

movements in which two muscles take part the movements may

correspond to only one of them with its opponent The two eyes

act alike showing that the disorder is of structures above those for

the binocular connection We can conceive the complexity of the

arrangement but anatomy has not yet enabled us to localize or

unravel it

Among the influences that take part in balancing the lower

centres are those exerted by the labyrinth doubtless the semicir-

cular canals and their relation to equilibrium Increased pressure in

an exposed tympanic cavity and therefore the labyrinth causes

nystagmus the quicker movement being towards the other side

diminished pressure also causes it quick to the same side Brief

nystagmus follows rotation of the body and the injection of hot

or cold water or probing Disease on one side of the pons

abolishing conjugate movement the side diseased causes ener-

getic nystagmus on movement to the other side no doubt by

the loss of balance of the reflex structures

The subjective symptoms are often absent The oscillation of the

eyeballs must cause the image to move to and fro on the retina

but an apparent movement is confined to cases in which the

oscillation is wide and then only in the direction of the quicker

motion It is indeed hardly more than a tendency to move in the

same direction as the eyes as may be perceived by a voluntary

quick movement of the eyes to and fro Perhaps the tendency

to move is only the result of an after image which disappears in

the direction of motion There is no reason why there should be

apparent movement A movement of the eye with an opposite

and equal movement of the image on the retina gives the

impression that the object is still Enduring infantile nystagmus

is never attended by any sense of movement On the other

hand it is frequent in the nystagmus of miners and is not easy

to explain The ldquodancingrdquo of objects renders this form peculiarly

disabling

The practical importance of definite nystagmus is the evidence

it affords of organic disease visible or degenerative In such

a malady as disseminated sclerosis for instance with symptoms

easily misunderstood its indication is often of great service But it

is of small localising value except in showing disease in the cere-

bellum or medial mesial structures and a lesion outside the pons is

probably on the side towards which the chief nystagmic move-

ment takes place Slight nystagmus may be left by an old paralysis

of an ocular nerve which has quite passed away doubtless from

an enduring partial disturbance of balance in the reflex centre A

trifling nystagmus on certain trained movements may be conge-

nital but too rarely to be important

3188 | Brain 2012 135 3178ndash3188 M J Eadie et al

Dow

nloaded from httpsacadem

icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

Gowers and Taylor had expanded the text of Volume 1 of the

third edition from 616 to 692 pages Comparison of some random

sections of the second and third editions of Volume 1 (those on

sciatica acute ascending paralysis ataxic paraplegia and

Thomsenrsquos disease and paramyotonia) show no attempt to carry

out the editorial style shortenings of text that Gowers apparently

intended for Volume 2 of the third edition

Critchley (1949) wrote that Gowers suffered a breakdown in

health in 1894 suffering severe back pain which Gowers later

hinted was lsquolumbagorsquo (Gowers 1904) He went on a voyage to

South Africa and back to recuperate returning lsquowith the second

edition of his Manual re-written corrected and ready for the

pressrsquo (Critchley 1949 p 93) We now know that he went to

South Africa in 1898 not 1894 (Scott et al 2012) It must there-

fore have been the third edition of Volume 1 that Gowers worked

on during the voyage Possibly when unwell Gowers may have

allowed what he considered reasonably satisfactory material from

the earlier edition of Volume 1 to remain unaltered Later perhaps

in better health he was more radical in revising Volume 2

Gowers probably worked on the revision of Volume 2 in the

1898ndash1900 period On page 1040 of the second edition despite

making alterations he left unchanged a statement to the effect

that hypochondriasis had been recognized only in the early years

of the present century This suggests that he was writing before

1901 Furthermore in his new section on nystagmus he made

substantial use of Sherringtonrsquos concept of reciprocal inhibition

an idea he probably would have become aware of around 1898

or slightly earlier

Could poor health have prevented Gowers from completing the

revision of Volume 2 in which he would almost certainly have

been the dominant partner On medical advice to reduce his

workload he gave up editing his pet project the Phonographic

Record of Clinical Teaching and Medical Science in 1899

However he published several major papers between 1899 and

Figure 5 Page 555 of Volume 2 of the second edition of the Manual of diseases of the nervous system part of the section dealing with

insular (disseminated) sclerosis This page was reproduced by Critchley (1949) as Plate X in his biography of Gowers but the upper part of

the page was cropped so that the two irregular binder holes did not show Image courtesy of the Queen Square Library Archive and

Museum Copyright National Hospital for Neurology amp Neurosurgery London

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3185

Dow

nloaded from httpsacadem

icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

1900 In 1901 he produced a second edition of his monograph

Epilepsy and other chronic convulsive diseases which included his

analysis of his records of 3000 patients Although Foster Kennedy

wrote in 1908 that Gowers was lsquobreaking up badlyrsquo (Butterfield

1981) his book The borderland of epilepsy appeared in 1909 On

the whole declining health does not seem a sufficient explanation

for Gowersrsquo failure to complete the third edition although it may

have contributed

Gowersrsquo Lancet obituary (Anonymous 1915b) mentioned that

he had contemplated producing a single volume shortened version

of the Manual of diseases of the nervous system omitting ana-

tomical and physiological material This possibility may have

diverted him from his revision for the third edition but if so nei-

ther project ever came to fruition whereas other subsequent

major publications from his pen did Also there had been an

American single volume 1357mdashpage version of the first edition

of the Manual of diseases of the nervous system and its format

had been criticized for being lsquoexceedingly clumsyrsquo (BS 1888)

Critchley (1949) suggested that sales of the third edition of

Volume 1 of the Manual of diseases of the nervous system pub-

lished in 1899 may have been adversely affected because

Macmillan brought out Volumes 7 and 8 of Allbuttrsquos System of

medicine in the same year These volumes contained the full

multi-authored neurological content of the System of medicine

Perhaps this is the explanation though it seems unlikely that as

early as 1900 poor sales of Volume 1 which had been published

only in the previous year would have been sufficiently evident to

cause further work on Volume 2 to be abandoned Also three

reviews of Volume 1 (Anonymous 1899a b c) in the British

Medical Journal Lancet and Journal of the American Medical

Association were highly favourable

Volume 7 of Allbuttrsquos System of medicine contained Gowersrsquo

account of epilepsy (Gowers 1899a) and Taylorrsquos chapters on

lsquoThe cerebral palsies of childrenrsquo (Taylor 1899a) and lsquoOcclusion

of cerebral vesselsrsquo (Taylor 1899b) Gowers had annotated the

text relating to Taylorrsquos latter topic for the third edition of the

Manual of diseases of the nervous system before his revising ap-

peared to cease Allbuttrsquos Volume 8 contained Gowersrsquo account of

paralysis agitans in which he developed his ideas relating to stress

as a triggering factor (Gowers 1899b) These recently available

accounts in a work produced by one publisher and written by the

authors of Gowersrsquo Manual of diseases of the nervous system

dealt with substantial topics that would have had to be considered

in Volume 2 of a new edition of the manual (with its different

publisher) This situation may have produced copyright or other

commercial issues Whether such matters explain why a third edi-

tion of Volume 2 of the Manual of diseases of the nervous system

never appeared can now be only a matter for conjecture

However the timing and Gowers apparent abandoning his revi-

sion part of the way through the task are consistent with this

possibility Whatever happened then relations between Gowers

Taylor and J amp A Churchill seem to have remained amicable As

well as the second edition of Gowersrsquo Epilepsy and other chronic

convulsive diseases in 1901 Churchill brought out his The

borderland of epilepsy in 1909 and Taylorrsquos Paralysis and other

diseases of the nervous system in childhood and early life in

1905

The real reason for Volume 2 of the third edition of Gowersrsquo

masterpiece never appearing may forever remain uncertain but

evidence is again available in the archives at the National

Hospital for Neurology and Neurosurgery at Queen Square that

he had gone some distance towards completing what was possibly

his only unfinished major project

ReferencesAllbutt TC A system of medicine by many writers Vol 7 and 8 London

Macmillan 1899

Anonymous A manual of diseases of the nervous system In WR

Gowers MD FRS editors 2nd edn Vol II London J amp A

Churchill 1893 BMJ 1894 1 246ndash7

Anonymous A manual of diseases of the nervous system By Sir W

Gowers MD FRCP FRS Edited by Sir W R Gowers and James Taylor

MA MD FRCP JAMA 1899a 33 744ndash5

Anonymous A manual of diseases of the nervous system In Sir William

Gowers MD FRCPLond FRS 3rd edn Sir William Gowers and James

Taylor MA MD Edin FRCP Lond Vol 1 Lancet 1899b 1 698ndash9

Anonymous A manual of the diseases of the nervous system Vol 1 In

Gowers WR editor Diseases of the nerves and spinal cord James

Taylor BMJ 1899c 1 737ndash8

Anonymous Obituary Sir William Gowers MD FRCP FRS BMJ 1915a

1 828ndash30

Anonymous Obituary Sir William Gowers MD Lond and Dub FRCP

Lond LLD Edin FRS Lancet 1915b 1 1055ndash6

BS Reviews A manual of diseases of the nervous system In Gowers

WR FRCP American Edition with 341 illustrations P Blakiston Son amp

Co 1888 J Nerv Ment Dis 1888 13 325ndash7

Butterfield EK The making of a neurologist the letters of Foster Kennedy

1884ndash1952 to his wife Cambridge Privately published 1981

Buzzard T Clinical lecture on cases of myasthenia gravis

pseudo-paralytica BMJ 1990 1 493ndash6

Campbell H Bramwell E Myasthenia gravis Brain 1900 23 277ndash336

Critchley M Sir William Gowers 1845ndash1915 A biographical appreciation

London Heinemann 1949

Gowers Sir W Epilepsy In Allbutt TC editor A system of medicine by

many writers Vol 7 London Macmillan 1899a p 758ndash97

Gowers WR A manual of diseases of the nervous system 1st edn 1886

1888 Vols 1 and 2 2nd edn 1892 amp 1893 3rd edn (Taylor J

co-editor) Vol 1 London J amp A Churchill 1899Gowers WR Paralysis agitans In Allbutt TC editor A system of

medicine by many writers Vol 8 London Macmillan 1899b

p 73ndash82

Gowers WR Epilepsy and other chronic convulsive diseases 2nd edn

London J amp A Churchill 1901

Gowers WR Remarks on myasthenia and ophthalmoplegia BMJ 1902

1 1253ndash6

Gowers WR Further remarks on myasthenia BMJ 1902 1 1323ndash4Gowers WR A lecture on lumbago its lessons and analogues BMJ

1904 1 117ndash21

Gowers WR The borderland of epilepsy London Churchill 1907Gowers WR The Hughlings-Jackson lecture on special sense discharges

from organic disease Brain 1909 32 303ndash26Hughlings Jackson J Neurological fragments Humphrey Milford

London Oxford University Press 1925Hughlings Jackson J In Taylor J editor Selected writings of

John Hughlings Jackson Vol 1ndash2 London Hodder amp Stoughton

1931

Keynes G The history of myasthenia gravis Med Hist 1961 5 313ndash26McDonald WI The mystery of the origin of multiple sclerosis J Neurol

Neurosurg Psychiatr 1986 49 113ndash23Scott A Ernest Gowers plain words and forgotten deeds Basingstoke

Palgrave Macmillan 2009

3186 | Brain 2012 135 3178ndash3188 M J Eadie et al

Dow

nloaded from httpsacadem

icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

Scott A Eadie MJ Lees A Sir William Gowers (1845ndash1915) exploring

the Victorian brain Oxford Oxford University Press 2012Shaw LE A case of bulbar paralysis without structural changes in the

medulla Brain 1890 13 96ndash9

Sherrington CS Croonian lecturesmdashthe mammalian spinal cord as an

organ of reflex action Abstract Phil Trans 1897 61 220ndash1

Sherrington CS Experiments in examination of the peripheral distributionof the fibres of the posterior roots of some spinal nerves Part II Phil

Trans 1898 190 45ndash186

Spillane JD The doctrine of the nerves Oxford Oxford University Press

1891

Taylor J The cerebral palsies of children In Allbutt TC editor A system

of medicine by many writers London Macmillan 1899a p 735ndash44Taylor J Occlusion of cerebral vessels In Allbutt TC editor A system of

medicine by many writers London Macmillan 1899b p 560ndash76

Taylor J Paralysis and other diseases of the nervous system in childhood

and early life London J amp A Churchill 1905Wilks S On cerebritis hysteria and bulbar paralysis as illustrative of

arrest of function of the cerebrospinal centres Guyrsquos Hosp Rep

1877 22 7ndash55

Willis T In Pordage S translator Two discourses concerning the soul of

brutes which is that of the vital and sensitive of man London Dring

Harper and Leigh 1683

Appendix I

NystagmusNystagmus is an oscillation of the eyeballs rarely of one only due

to an alternate contraction of the opposing muscles They should

act together the opponent supporting yet yielding to the acting

muscle The alternation causes a to and fro movement usually of

both eyes and synchronous It occurs on voluntary movement but

sometimes goes on in the mid position In the direction in which

the will acts the movement is more rapid than in the return It may

recur on movement in any direction or only in one In the hor-

izontal movements it is usually greater in the outward moving

eye which is the more important Sometimes the motion is rota-

tory amp then is slight and often unilateralmdashthe degree of move-

ment varies much a slight jerking may attend defective power

after it has rested for some time and has been thought to be

different in nature from the pronounced oscillation but this is

uncertain The motion sometimes varies in degree even under

observation Usually uniform a considerable movement sometimes

separates two or three smaller jerks Its time varies and is the

more rapid the smaller the range of movement roughly speaking

the double movement occurs from 80 to 180 per minute Other

features will be considered presently

From the common form the acquired nystagmus of central

disease two other varieties may be distinguished which are

important in connection with its origin An infantile form begins

in the first month of life Sometimes it is associated with a similar

alternate contraction of the muscles of the head and neck causing

nodding movements More commonly it develops when there is a

condition lessening the amount of light which enters the eye such

as a superficial disease of any kind It also occurs in albinism when

the amount of light is in excess Thus there is an abnormal

amount of light during the time when the child acquires the

power of fixing a light a process in which a reflex action on the

muscles takes an important share This form consists of an

alternate action of the same rate there is not the quicker

motion in the direction of volition

Minerrsquos nystagmus develops in those who have worked for

years in getting coal lying in a constrained position with the

head inclined It occurs especially in badly lighted mines and is

disposed to by defects of general health and alcoholism It is

often rotatory

The common form results from organic disease or degeneration

near or in the mid-brain pons or cerebellum It is not met with in

disease of the cerebral hemisphere above the central ganglia

rarely from disease in these chiefly the optic thalamus It may

be caused by affections of the labyrinth of the ear that induce

vertigo an important fact in connection with the influence of

cerebellar disease in causing it

Pathology The slighter degrees of nystagmus may develop into

those that are considerable and in these there is a deliberate

alternation of the opposing muscles This is apparently the result

of an excessive activity of the muscle-reflex action between reci-

procal muscles We cannot doubt that there are structures that

subserve this action in the nuclei of the ocular nerves analogous

to those that exist in the spinal cord Sherrington has obtained in

the latter a similar insubordination by cutting off the voluntary

impulse The same alternate movement occurs and he has proved

that the arrest of action in one muscle followed by a contraction

in the opponent is due to an afferent nerve impulse produced by

the extension of the latter which inhibits the spinal centre for the

former and is followed by activity of its own centre Thus the

same effect is produced and the alternation goes on The resem-

blance to nystagmus is perfect In this the acting muscles say

those moving the eyes to the right contract under the will but

just before they reach the limit of movement they suddenly relax

from central inhibition their opponents the left-sided muscles

contract and the eyes move back rather more slowly but just

before reaching the mid-position they are in turn arrested and a

quicker action of the right sided muscles again moves the eyes to

the right

The structures (muscle-spindles) which are believed to be sen-

sitive to tension do not present the same aspect in the ocular

muscles as in others but their tendons present sensitive neural

structures and the fact that a twig from each muscle nerve

passes to the fifth nerve shows that afferent impulses must arise

in them they doubtless pass to the highest cells of the fifth

nucleus adjacent to the motor nuclei But the muscle-reflex alter-

nation is not produced by a defect in the volitional impulse as in

the spinal centre Its causes are such as may disturb the balance of

the mid-brain structures which subserve all ocular reflex action

and also the association of the two eyes The structural arrange-

ment for the alternation of opposing ocular muscles must be ren-

dered insubordinate with readiness as is shown by the readiness

by which it becomes excessive in infantile nystagmus from a mere

disproportion in the amount of light This must act on the same

centre as far as concerns its influence on the ocular muscles and

enables us to understand that dim lighting is an element in causing

the minerrsquos form

Nystagmus when in moderate degree only occurs on voluntary

movement of the eyes it is absent at rest in the midposition The

reflex alternation is present only when the centre is energised by

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3187

Dow

nloaded from httpsacadem

icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

the volitional impulse But the latter causes the movement to be

quicker in the direction of volition In time the nystagmus in a

certain direction may attain such a degree that it continues when

the will is not acting and even in opposition to the will eg the

quick motion to the right may persist in the mid-position on

upward and downward movements and even during half the

movement of the eyes to the left These features show clearly

that the symptom depends on the lower mid-brain structures

We can understand that the derangement may be slight so as

to cause the nystagmus to have only the semblance of a slight

jerking to which it is reasonable to ascribe to the same mechanism

until there is evidence to the contrary Nystagmus accompanies

partial paralysis only when this has lasted for a time It must be

remembered that the impressions from the weakened muscle are

lessened and that they exert an influence on the centre

Moreover the tendency to alternate action seems sometimes to

be so partial as to involve individual muscles and in the oblique

movements in which two muscles take part the movements may

correspond to only one of them with its opponent The two eyes

act alike showing that the disorder is of structures above those for

the binocular connection We can conceive the complexity of the

arrangement but anatomy has not yet enabled us to localize or

unravel it

Among the influences that take part in balancing the lower

centres are those exerted by the labyrinth doubtless the semicir-

cular canals and their relation to equilibrium Increased pressure in

an exposed tympanic cavity and therefore the labyrinth causes

nystagmus the quicker movement being towards the other side

diminished pressure also causes it quick to the same side Brief

nystagmus follows rotation of the body and the injection of hot

or cold water or probing Disease on one side of the pons

abolishing conjugate movement the side diseased causes ener-

getic nystagmus on movement to the other side no doubt by

the loss of balance of the reflex structures

The subjective symptoms are often absent The oscillation of the

eyeballs must cause the image to move to and fro on the retina

but an apparent movement is confined to cases in which the

oscillation is wide and then only in the direction of the quicker

motion It is indeed hardly more than a tendency to move in the

same direction as the eyes as may be perceived by a voluntary

quick movement of the eyes to and fro Perhaps the tendency

to move is only the result of an after image which disappears in

the direction of motion There is no reason why there should be

apparent movement A movement of the eye with an opposite

and equal movement of the image on the retina gives the

impression that the object is still Enduring infantile nystagmus

is never attended by any sense of movement On the other

hand it is frequent in the nystagmus of miners and is not easy

to explain The ldquodancingrdquo of objects renders this form peculiarly

disabling

The practical importance of definite nystagmus is the evidence

it affords of organic disease visible or degenerative In such

a malady as disseminated sclerosis for instance with symptoms

easily misunderstood its indication is often of great service But it

is of small localising value except in showing disease in the cere-

bellum or medial mesial structures and a lesion outside the pons is

probably on the side towards which the chief nystagmic move-

ment takes place Slight nystagmus may be left by an old paralysis

of an ocular nerve which has quite passed away doubtless from

an enduring partial disturbance of balance in the reflex centre A

trifling nystagmus on certain trained movements may be conge-

nital but too rarely to be important

3188 | Brain 2012 135 3178ndash3188 M J Eadie et al

Dow

nloaded from httpsacadem

icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

1900 In 1901 he produced a second edition of his monograph

Epilepsy and other chronic convulsive diseases which included his

analysis of his records of 3000 patients Although Foster Kennedy

wrote in 1908 that Gowers was lsquobreaking up badlyrsquo (Butterfield

1981) his book The borderland of epilepsy appeared in 1909 On

the whole declining health does not seem a sufficient explanation

for Gowersrsquo failure to complete the third edition although it may

have contributed

Gowersrsquo Lancet obituary (Anonymous 1915b) mentioned that

he had contemplated producing a single volume shortened version

of the Manual of diseases of the nervous system omitting ana-

tomical and physiological material This possibility may have

diverted him from his revision for the third edition but if so nei-

ther project ever came to fruition whereas other subsequent

major publications from his pen did Also there had been an

American single volume 1357mdashpage version of the first edition

of the Manual of diseases of the nervous system and its format

had been criticized for being lsquoexceedingly clumsyrsquo (BS 1888)

Critchley (1949) suggested that sales of the third edition of

Volume 1 of the Manual of diseases of the nervous system pub-

lished in 1899 may have been adversely affected because

Macmillan brought out Volumes 7 and 8 of Allbuttrsquos System of

medicine in the same year These volumes contained the full

multi-authored neurological content of the System of medicine

Perhaps this is the explanation though it seems unlikely that as

early as 1900 poor sales of Volume 1 which had been published

only in the previous year would have been sufficiently evident to

cause further work on Volume 2 to be abandoned Also three

reviews of Volume 1 (Anonymous 1899a b c) in the British

Medical Journal Lancet and Journal of the American Medical

Association were highly favourable

Volume 7 of Allbuttrsquos System of medicine contained Gowersrsquo

account of epilepsy (Gowers 1899a) and Taylorrsquos chapters on

lsquoThe cerebral palsies of childrenrsquo (Taylor 1899a) and lsquoOcclusion

of cerebral vesselsrsquo (Taylor 1899b) Gowers had annotated the

text relating to Taylorrsquos latter topic for the third edition of the

Manual of diseases of the nervous system before his revising ap-

peared to cease Allbuttrsquos Volume 8 contained Gowersrsquo account of

paralysis agitans in which he developed his ideas relating to stress

as a triggering factor (Gowers 1899b) These recently available

accounts in a work produced by one publisher and written by the

authors of Gowersrsquo Manual of diseases of the nervous system

dealt with substantial topics that would have had to be considered

in Volume 2 of a new edition of the manual (with its different

publisher) This situation may have produced copyright or other

commercial issues Whether such matters explain why a third edi-

tion of Volume 2 of the Manual of diseases of the nervous system

never appeared can now be only a matter for conjecture

However the timing and Gowers apparent abandoning his revi-

sion part of the way through the task are consistent with this

possibility Whatever happened then relations between Gowers

Taylor and J amp A Churchill seem to have remained amicable As

well as the second edition of Gowersrsquo Epilepsy and other chronic

convulsive diseases in 1901 Churchill brought out his The

borderland of epilepsy in 1909 and Taylorrsquos Paralysis and other

diseases of the nervous system in childhood and early life in

1905

The real reason for Volume 2 of the third edition of Gowersrsquo

masterpiece never appearing may forever remain uncertain but

evidence is again available in the archives at the National

Hospital for Neurology and Neurosurgery at Queen Square that

he had gone some distance towards completing what was possibly

his only unfinished major project

ReferencesAllbutt TC A system of medicine by many writers Vol 7 and 8 London

Macmillan 1899

Anonymous A manual of diseases of the nervous system In WR

Gowers MD FRS editors 2nd edn Vol II London J amp A

Churchill 1893 BMJ 1894 1 246ndash7

Anonymous A manual of diseases of the nervous system By Sir W

Gowers MD FRCP FRS Edited by Sir W R Gowers and James Taylor

MA MD FRCP JAMA 1899a 33 744ndash5

Anonymous A manual of diseases of the nervous system In Sir William

Gowers MD FRCPLond FRS 3rd edn Sir William Gowers and James

Taylor MA MD Edin FRCP Lond Vol 1 Lancet 1899b 1 698ndash9

Anonymous A manual of the diseases of the nervous system Vol 1 In

Gowers WR editor Diseases of the nerves and spinal cord James

Taylor BMJ 1899c 1 737ndash8

Anonymous Obituary Sir William Gowers MD FRCP FRS BMJ 1915a

1 828ndash30

Anonymous Obituary Sir William Gowers MD Lond and Dub FRCP

Lond LLD Edin FRS Lancet 1915b 1 1055ndash6

BS Reviews A manual of diseases of the nervous system In Gowers

WR FRCP American Edition with 341 illustrations P Blakiston Son amp

Co 1888 J Nerv Ment Dis 1888 13 325ndash7

Butterfield EK The making of a neurologist the letters of Foster Kennedy

1884ndash1952 to his wife Cambridge Privately published 1981

Buzzard T Clinical lecture on cases of myasthenia gravis

pseudo-paralytica BMJ 1990 1 493ndash6

Campbell H Bramwell E Myasthenia gravis Brain 1900 23 277ndash336

Critchley M Sir William Gowers 1845ndash1915 A biographical appreciation

London Heinemann 1949

Gowers Sir W Epilepsy In Allbutt TC editor A system of medicine by

many writers Vol 7 London Macmillan 1899a p 758ndash97

Gowers WR A manual of diseases of the nervous system 1st edn 1886

1888 Vols 1 and 2 2nd edn 1892 amp 1893 3rd edn (Taylor J

co-editor) Vol 1 London J amp A Churchill 1899Gowers WR Paralysis agitans In Allbutt TC editor A system of

medicine by many writers Vol 8 London Macmillan 1899b

p 73ndash82

Gowers WR Epilepsy and other chronic convulsive diseases 2nd edn

London J amp A Churchill 1901

Gowers WR Remarks on myasthenia and ophthalmoplegia BMJ 1902

1 1253ndash6

Gowers WR Further remarks on myasthenia BMJ 1902 1 1323ndash4Gowers WR A lecture on lumbago its lessons and analogues BMJ

1904 1 117ndash21

Gowers WR The borderland of epilepsy London Churchill 1907Gowers WR The Hughlings-Jackson lecture on special sense discharges

from organic disease Brain 1909 32 303ndash26Hughlings Jackson J Neurological fragments Humphrey Milford

London Oxford University Press 1925Hughlings Jackson J In Taylor J editor Selected writings of

John Hughlings Jackson Vol 1ndash2 London Hodder amp Stoughton

1931

Keynes G The history of myasthenia gravis Med Hist 1961 5 313ndash26McDonald WI The mystery of the origin of multiple sclerosis J Neurol

Neurosurg Psychiatr 1986 49 113ndash23Scott A Ernest Gowers plain words and forgotten deeds Basingstoke

Palgrave Macmillan 2009

3186 | Brain 2012 135 3178ndash3188 M J Eadie et al

Dow

nloaded from httpsacadem

icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

Scott A Eadie MJ Lees A Sir William Gowers (1845ndash1915) exploring

the Victorian brain Oxford Oxford University Press 2012Shaw LE A case of bulbar paralysis without structural changes in the

medulla Brain 1890 13 96ndash9

Sherrington CS Croonian lecturesmdashthe mammalian spinal cord as an

organ of reflex action Abstract Phil Trans 1897 61 220ndash1

Sherrington CS Experiments in examination of the peripheral distributionof the fibres of the posterior roots of some spinal nerves Part II Phil

Trans 1898 190 45ndash186

Spillane JD The doctrine of the nerves Oxford Oxford University Press

1891

Taylor J The cerebral palsies of children In Allbutt TC editor A system

of medicine by many writers London Macmillan 1899a p 735ndash44Taylor J Occlusion of cerebral vessels In Allbutt TC editor A system of

medicine by many writers London Macmillan 1899b p 560ndash76

Taylor J Paralysis and other diseases of the nervous system in childhood

and early life London J amp A Churchill 1905Wilks S On cerebritis hysteria and bulbar paralysis as illustrative of

arrest of function of the cerebrospinal centres Guyrsquos Hosp Rep

1877 22 7ndash55

Willis T In Pordage S translator Two discourses concerning the soul of

brutes which is that of the vital and sensitive of man London Dring

Harper and Leigh 1683

Appendix I

NystagmusNystagmus is an oscillation of the eyeballs rarely of one only due

to an alternate contraction of the opposing muscles They should

act together the opponent supporting yet yielding to the acting

muscle The alternation causes a to and fro movement usually of

both eyes and synchronous It occurs on voluntary movement but

sometimes goes on in the mid position In the direction in which

the will acts the movement is more rapid than in the return It may

recur on movement in any direction or only in one In the hor-

izontal movements it is usually greater in the outward moving

eye which is the more important Sometimes the motion is rota-

tory amp then is slight and often unilateralmdashthe degree of move-

ment varies much a slight jerking may attend defective power

after it has rested for some time and has been thought to be

different in nature from the pronounced oscillation but this is

uncertain The motion sometimes varies in degree even under

observation Usually uniform a considerable movement sometimes

separates two or three smaller jerks Its time varies and is the

more rapid the smaller the range of movement roughly speaking

the double movement occurs from 80 to 180 per minute Other

features will be considered presently

From the common form the acquired nystagmus of central

disease two other varieties may be distinguished which are

important in connection with its origin An infantile form begins

in the first month of life Sometimes it is associated with a similar

alternate contraction of the muscles of the head and neck causing

nodding movements More commonly it develops when there is a

condition lessening the amount of light which enters the eye such

as a superficial disease of any kind It also occurs in albinism when

the amount of light is in excess Thus there is an abnormal

amount of light during the time when the child acquires the

power of fixing a light a process in which a reflex action on the

muscles takes an important share This form consists of an

alternate action of the same rate there is not the quicker

motion in the direction of volition

Minerrsquos nystagmus develops in those who have worked for

years in getting coal lying in a constrained position with the

head inclined It occurs especially in badly lighted mines and is

disposed to by defects of general health and alcoholism It is

often rotatory

The common form results from organic disease or degeneration

near or in the mid-brain pons or cerebellum It is not met with in

disease of the cerebral hemisphere above the central ganglia

rarely from disease in these chiefly the optic thalamus It may

be caused by affections of the labyrinth of the ear that induce

vertigo an important fact in connection with the influence of

cerebellar disease in causing it

Pathology The slighter degrees of nystagmus may develop into

those that are considerable and in these there is a deliberate

alternation of the opposing muscles This is apparently the result

of an excessive activity of the muscle-reflex action between reci-

procal muscles We cannot doubt that there are structures that

subserve this action in the nuclei of the ocular nerves analogous

to those that exist in the spinal cord Sherrington has obtained in

the latter a similar insubordination by cutting off the voluntary

impulse The same alternate movement occurs and he has proved

that the arrest of action in one muscle followed by a contraction

in the opponent is due to an afferent nerve impulse produced by

the extension of the latter which inhibits the spinal centre for the

former and is followed by activity of its own centre Thus the

same effect is produced and the alternation goes on The resem-

blance to nystagmus is perfect In this the acting muscles say

those moving the eyes to the right contract under the will but

just before they reach the limit of movement they suddenly relax

from central inhibition their opponents the left-sided muscles

contract and the eyes move back rather more slowly but just

before reaching the mid-position they are in turn arrested and a

quicker action of the right sided muscles again moves the eyes to

the right

The structures (muscle-spindles) which are believed to be sen-

sitive to tension do not present the same aspect in the ocular

muscles as in others but their tendons present sensitive neural

structures and the fact that a twig from each muscle nerve

passes to the fifth nerve shows that afferent impulses must arise

in them they doubtless pass to the highest cells of the fifth

nucleus adjacent to the motor nuclei But the muscle-reflex alter-

nation is not produced by a defect in the volitional impulse as in

the spinal centre Its causes are such as may disturb the balance of

the mid-brain structures which subserve all ocular reflex action

and also the association of the two eyes The structural arrange-

ment for the alternation of opposing ocular muscles must be ren-

dered insubordinate with readiness as is shown by the readiness

by which it becomes excessive in infantile nystagmus from a mere

disproportion in the amount of light This must act on the same

centre as far as concerns its influence on the ocular muscles and

enables us to understand that dim lighting is an element in causing

the minerrsquos form

Nystagmus when in moderate degree only occurs on voluntary

movement of the eyes it is absent at rest in the midposition The

reflex alternation is present only when the centre is energised by

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3187

Dow

nloaded from httpsacadem

icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

the volitional impulse But the latter causes the movement to be

quicker in the direction of volition In time the nystagmus in a

certain direction may attain such a degree that it continues when

the will is not acting and even in opposition to the will eg the

quick motion to the right may persist in the mid-position on

upward and downward movements and even during half the

movement of the eyes to the left These features show clearly

that the symptom depends on the lower mid-brain structures

We can understand that the derangement may be slight so as

to cause the nystagmus to have only the semblance of a slight

jerking to which it is reasonable to ascribe to the same mechanism

until there is evidence to the contrary Nystagmus accompanies

partial paralysis only when this has lasted for a time It must be

remembered that the impressions from the weakened muscle are

lessened and that they exert an influence on the centre

Moreover the tendency to alternate action seems sometimes to

be so partial as to involve individual muscles and in the oblique

movements in which two muscles take part the movements may

correspond to only one of them with its opponent The two eyes

act alike showing that the disorder is of structures above those for

the binocular connection We can conceive the complexity of the

arrangement but anatomy has not yet enabled us to localize or

unravel it

Among the influences that take part in balancing the lower

centres are those exerted by the labyrinth doubtless the semicir-

cular canals and their relation to equilibrium Increased pressure in

an exposed tympanic cavity and therefore the labyrinth causes

nystagmus the quicker movement being towards the other side

diminished pressure also causes it quick to the same side Brief

nystagmus follows rotation of the body and the injection of hot

or cold water or probing Disease on one side of the pons

abolishing conjugate movement the side diseased causes ener-

getic nystagmus on movement to the other side no doubt by

the loss of balance of the reflex structures

The subjective symptoms are often absent The oscillation of the

eyeballs must cause the image to move to and fro on the retina

but an apparent movement is confined to cases in which the

oscillation is wide and then only in the direction of the quicker

motion It is indeed hardly more than a tendency to move in the

same direction as the eyes as may be perceived by a voluntary

quick movement of the eyes to and fro Perhaps the tendency

to move is only the result of an after image which disappears in

the direction of motion There is no reason why there should be

apparent movement A movement of the eye with an opposite

and equal movement of the image on the retina gives the

impression that the object is still Enduring infantile nystagmus

is never attended by any sense of movement On the other

hand it is frequent in the nystagmus of miners and is not easy

to explain The ldquodancingrdquo of objects renders this form peculiarly

disabling

The practical importance of definite nystagmus is the evidence

it affords of organic disease visible or degenerative In such

a malady as disseminated sclerosis for instance with symptoms

easily misunderstood its indication is often of great service But it

is of small localising value except in showing disease in the cere-

bellum or medial mesial structures and a lesion outside the pons is

probably on the side towards which the chief nystagmic move-

ment takes place Slight nystagmus may be left by an old paralysis

of an ocular nerve which has quite passed away doubtless from

an enduring partial disturbance of balance in the reflex centre A

trifling nystagmus on certain trained movements may be conge-

nital but too rarely to be important

3188 | Brain 2012 135 3178ndash3188 M J Eadie et al

Dow

nloaded from httpsacadem

icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

Scott A Eadie MJ Lees A Sir William Gowers (1845ndash1915) exploring

the Victorian brain Oxford Oxford University Press 2012Shaw LE A case of bulbar paralysis without structural changes in the

medulla Brain 1890 13 96ndash9

Sherrington CS Croonian lecturesmdashthe mammalian spinal cord as an

organ of reflex action Abstract Phil Trans 1897 61 220ndash1

Sherrington CS Experiments in examination of the peripheral distributionof the fibres of the posterior roots of some spinal nerves Part II Phil

Trans 1898 190 45ndash186

Spillane JD The doctrine of the nerves Oxford Oxford University Press

1891

Taylor J The cerebral palsies of children In Allbutt TC editor A system

of medicine by many writers London Macmillan 1899a p 735ndash44Taylor J Occlusion of cerebral vessels In Allbutt TC editor A system of

medicine by many writers London Macmillan 1899b p 560ndash76

Taylor J Paralysis and other diseases of the nervous system in childhood

and early life London J amp A Churchill 1905Wilks S On cerebritis hysteria and bulbar paralysis as illustrative of

arrest of function of the cerebrospinal centres Guyrsquos Hosp Rep

1877 22 7ndash55

Willis T In Pordage S translator Two discourses concerning the soul of

brutes which is that of the vital and sensitive of man London Dring

Harper and Leigh 1683

Appendix I

NystagmusNystagmus is an oscillation of the eyeballs rarely of one only due

to an alternate contraction of the opposing muscles They should

act together the opponent supporting yet yielding to the acting

muscle The alternation causes a to and fro movement usually of

both eyes and synchronous It occurs on voluntary movement but

sometimes goes on in the mid position In the direction in which

the will acts the movement is more rapid than in the return It may

recur on movement in any direction or only in one In the hor-

izontal movements it is usually greater in the outward moving

eye which is the more important Sometimes the motion is rota-

tory amp then is slight and often unilateralmdashthe degree of move-

ment varies much a slight jerking may attend defective power

after it has rested for some time and has been thought to be

different in nature from the pronounced oscillation but this is

uncertain The motion sometimes varies in degree even under

observation Usually uniform a considerable movement sometimes

separates two or three smaller jerks Its time varies and is the

more rapid the smaller the range of movement roughly speaking

the double movement occurs from 80 to 180 per minute Other

features will be considered presently

From the common form the acquired nystagmus of central

disease two other varieties may be distinguished which are

important in connection with its origin An infantile form begins

in the first month of life Sometimes it is associated with a similar

alternate contraction of the muscles of the head and neck causing

nodding movements More commonly it develops when there is a

condition lessening the amount of light which enters the eye such

as a superficial disease of any kind It also occurs in albinism when

the amount of light is in excess Thus there is an abnormal

amount of light during the time when the child acquires the

power of fixing a light a process in which a reflex action on the

muscles takes an important share This form consists of an

alternate action of the same rate there is not the quicker

motion in the direction of volition

Minerrsquos nystagmus develops in those who have worked for

years in getting coal lying in a constrained position with the

head inclined It occurs especially in badly lighted mines and is

disposed to by defects of general health and alcoholism It is

often rotatory

The common form results from organic disease or degeneration

near or in the mid-brain pons or cerebellum It is not met with in

disease of the cerebral hemisphere above the central ganglia

rarely from disease in these chiefly the optic thalamus It may

be caused by affections of the labyrinth of the ear that induce

vertigo an important fact in connection with the influence of

cerebellar disease in causing it

Pathology The slighter degrees of nystagmus may develop into

those that are considerable and in these there is a deliberate

alternation of the opposing muscles This is apparently the result

of an excessive activity of the muscle-reflex action between reci-

procal muscles We cannot doubt that there are structures that

subserve this action in the nuclei of the ocular nerves analogous

to those that exist in the spinal cord Sherrington has obtained in

the latter a similar insubordination by cutting off the voluntary

impulse The same alternate movement occurs and he has proved

that the arrest of action in one muscle followed by a contraction

in the opponent is due to an afferent nerve impulse produced by

the extension of the latter which inhibits the spinal centre for the

former and is followed by activity of its own centre Thus the

same effect is produced and the alternation goes on The resem-

blance to nystagmus is perfect In this the acting muscles say

those moving the eyes to the right contract under the will but

just before they reach the limit of movement they suddenly relax

from central inhibition their opponents the left-sided muscles

contract and the eyes move back rather more slowly but just

before reaching the mid-position they are in turn arrested and a

quicker action of the right sided muscles again moves the eyes to

the right

The structures (muscle-spindles) which are believed to be sen-

sitive to tension do not present the same aspect in the ocular

muscles as in others but their tendons present sensitive neural

structures and the fact that a twig from each muscle nerve

passes to the fifth nerve shows that afferent impulses must arise

in them they doubtless pass to the highest cells of the fifth

nucleus adjacent to the motor nuclei But the muscle-reflex alter-

nation is not produced by a defect in the volitional impulse as in

the spinal centre Its causes are such as may disturb the balance of

the mid-brain structures which subserve all ocular reflex action

and also the association of the two eyes The structural arrange-

ment for the alternation of opposing ocular muscles must be ren-

dered insubordinate with readiness as is shown by the readiness

by which it becomes excessive in infantile nystagmus from a mere

disproportion in the amount of light This must act on the same

centre as far as concerns its influence on the ocular muscles and

enables us to understand that dim lighting is an element in causing

the minerrsquos form

Nystagmus when in moderate degree only occurs on voluntary

movement of the eyes it is absent at rest in the midposition The

reflex alternation is present only when the centre is energised by

Gowersrsquo Manualrsquos incomplete third edition Brain 2012 135 3178ndash3188 | 3187

Dow

nloaded from httpsacadem

icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

the volitional impulse But the latter causes the movement to be

quicker in the direction of volition In time the nystagmus in a

certain direction may attain such a degree that it continues when

the will is not acting and even in opposition to the will eg the

quick motion to the right may persist in the mid-position on

upward and downward movements and even during half the

movement of the eyes to the left These features show clearly

that the symptom depends on the lower mid-brain structures

We can understand that the derangement may be slight so as

to cause the nystagmus to have only the semblance of a slight

jerking to which it is reasonable to ascribe to the same mechanism

until there is evidence to the contrary Nystagmus accompanies

partial paralysis only when this has lasted for a time It must be

remembered that the impressions from the weakened muscle are

lessened and that they exert an influence on the centre

Moreover the tendency to alternate action seems sometimes to

be so partial as to involve individual muscles and in the oblique

movements in which two muscles take part the movements may

correspond to only one of them with its opponent The two eyes

act alike showing that the disorder is of structures above those for

the binocular connection We can conceive the complexity of the

arrangement but anatomy has not yet enabled us to localize or

unravel it

Among the influences that take part in balancing the lower

centres are those exerted by the labyrinth doubtless the semicir-

cular canals and their relation to equilibrium Increased pressure in

an exposed tympanic cavity and therefore the labyrinth causes

nystagmus the quicker movement being towards the other side

diminished pressure also causes it quick to the same side Brief

nystagmus follows rotation of the body and the injection of hot

or cold water or probing Disease on one side of the pons

abolishing conjugate movement the side diseased causes ener-

getic nystagmus on movement to the other side no doubt by

the loss of balance of the reflex structures

The subjective symptoms are often absent The oscillation of the

eyeballs must cause the image to move to and fro on the retina

but an apparent movement is confined to cases in which the

oscillation is wide and then only in the direction of the quicker

motion It is indeed hardly more than a tendency to move in the

same direction as the eyes as may be perceived by a voluntary

quick movement of the eyes to and fro Perhaps the tendency

to move is only the result of an after image which disappears in

the direction of motion There is no reason why there should be

apparent movement A movement of the eye with an opposite

and equal movement of the image on the retina gives the

impression that the object is still Enduring infantile nystagmus

is never attended by any sense of movement On the other

hand it is frequent in the nystagmus of miners and is not easy

to explain The ldquodancingrdquo of objects renders this form peculiarly

disabling

The practical importance of definite nystagmus is the evidence

it affords of organic disease visible or degenerative In such

a malady as disseminated sclerosis for instance with symptoms

easily misunderstood its indication is often of great service But it

is of small localising value except in showing disease in the cere-

bellum or medial mesial structures and a lesion outside the pons is

probably on the side towards which the chief nystagmic move-

ment takes place Slight nystagmus may be left by an old paralysis

of an ocular nerve which has quite passed away doubtless from

an enduring partial disturbance of balance in the reflex centre A

trifling nystagmus on certain trained movements may be conge-

nital but too rarely to be important

3188 | Brain 2012 135 3178ndash3188 M J Eadie et al

Dow

nloaded from httpsacadem

icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021

the volitional impulse But the latter causes the movement to be

quicker in the direction of volition In time the nystagmus in a

certain direction may attain such a degree that it continues when

the will is not acting and even in opposition to the will eg the

quick motion to the right may persist in the mid-position on

upward and downward movements and even during half the

movement of the eyes to the left These features show clearly

that the symptom depends on the lower mid-brain structures

We can understand that the derangement may be slight so as

to cause the nystagmus to have only the semblance of a slight

jerking to which it is reasonable to ascribe to the same mechanism

until there is evidence to the contrary Nystagmus accompanies

partial paralysis only when this has lasted for a time It must be

remembered that the impressions from the weakened muscle are

lessened and that they exert an influence on the centre

Moreover the tendency to alternate action seems sometimes to

be so partial as to involve individual muscles and in the oblique

movements in which two muscles take part the movements may

correspond to only one of them with its opponent The two eyes

act alike showing that the disorder is of structures above those for

the binocular connection We can conceive the complexity of the

arrangement but anatomy has not yet enabled us to localize or

unravel it

Among the influences that take part in balancing the lower

centres are those exerted by the labyrinth doubtless the semicir-

cular canals and their relation to equilibrium Increased pressure in

an exposed tympanic cavity and therefore the labyrinth causes

nystagmus the quicker movement being towards the other side

diminished pressure also causes it quick to the same side Brief

nystagmus follows rotation of the body and the injection of hot

or cold water or probing Disease on one side of the pons

abolishing conjugate movement the side diseased causes ener-

getic nystagmus on movement to the other side no doubt by

the loss of balance of the reflex structures

The subjective symptoms are often absent The oscillation of the

eyeballs must cause the image to move to and fro on the retina

but an apparent movement is confined to cases in which the

oscillation is wide and then only in the direction of the quicker

motion It is indeed hardly more than a tendency to move in the

same direction as the eyes as may be perceived by a voluntary

quick movement of the eyes to and fro Perhaps the tendency

to move is only the result of an after image which disappears in

the direction of motion There is no reason why there should be

apparent movement A movement of the eye with an opposite

and equal movement of the image on the retina gives the

impression that the object is still Enduring infantile nystagmus

is never attended by any sense of movement On the other

hand it is frequent in the nystagmus of miners and is not easy

to explain The ldquodancingrdquo of objects renders this form peculiarly

disabling

The practical importance of definite nystagmus is the evidence

it affords of organic disease visible or degenerative In such

a malady as disseminated sclerosis for instance with symptoms

easily misunderstood its indication is often of great service But it

is of small localising value except in showing disease in the cere-

bellum or medial mesial structures and a lesion outside the pons is

probably on the side towards which the chief nystagmic move-

ment takes place Slight nystagmus may be left by an old paralysis

of an ocular nerve which has quite passed away doubtless from

an enduring partial disturbance of balance in the reflex centre A

trifling nystagmus on certain trained movements may be conge-

nital but too rarely to be important

3188 | Brain 2012 135 3178ndash3188 M J Eadie et al

Dow

nloaded from httpsacadem

icoupcombrainarticle135103178295520 by guest on 30 D

ecember 2021