The Brain Aging Monitor
“The cutting edge of science and industry”
T. Aalbers, PhD Student
Department of Geriatric Medicine
The business case
Questions?
BAM-COG matching
BAM-COG CANTAB Pen and Paper
Conveyer Belt (WM) Spatial Working Memory [1] Letter-Number Sequencing Task from
WAIS-III [2]
Sunshine (VSM) Spatial Span [1] Spatial Span subtest from WMS-III [3]
Viewpoint (ERM) Pattern Recognition [1] Continuous Visual Memory Task [4]
Papyrinth (PL) Stockings of Cambridge [1] Zoo Map Task part of the BADS [4]
1. Robbins TW, James M, Owen AM, Sahakian BJ, McInnes L, Rabbitt P. Cambridge neuropsychological test automated battery (CANTAB): A factor analytic study of a large sample of normal elderly volunteers, Dementia 1994; 5: 266-281. PMID:7951684
2. Wechsler, D. Wechsler Adult Intelligence Scale-III 1997a San Antonio: The Psychological Corporation3. Wechsler, D. Wechsler Memory Scale –Third edition: Administration and scoring manual 1997b San Antonio, TX: The Psychological Corporation4. Deary IJ, Corley J, Gow AJ, Harris SE, Houlihan LM, Marlioni RE, Penke L, Rafnsson SB, Starr JM. Age-associated cognitive decline, Brit Med Bull 2009; 92: 135-152. PMID: 19776035
Convergent and Divergent validity
Convergent Validity Divergent Validity
WAIS-III Letter Number
SequencingSpatial Working Memory National Adult Reading Test
Conveyer Belt (n=26) ρ=.577 (P =.001) ρ=-.577 (P =.001) ρ=-.029 (P =.44)
WMS-III Spatial Span Task Spatial Span
Sunshine (n=24) ρ=.669 (P <.001) ρ=.620 (P =.001) ρ=-.029 (P =.45)
Continuous Visual Memory
TestPattern Recognition
Viewpoint (n=28) ρ=.202 (P =.152) ρ=-.157 (P =.212) ρ=-.162 (P =.21)
BADS Zoo Map Stockings of Cambridge
Papyrinth (n=21) ρ=.400 (P =.036) ρ=.424 (P =.028) ρ=-.134 (P =.28)
Alternate Forms Reliability
Alternate Forms Reliability 95% Confidence Interval
Conveyer Belt (n=55) .420 0.17-0.62
Sunshine (n=78) .426 0.23-0.59
Viewpoint (n=101) .167 -0.04-0.36
Papyrinth (n=37) .645 0.41-0.80
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