NeuroMagic: How Masters Of Illusion Help Explain The Brain...

6
(/) SEARCH WORLD AFFAIRS (HTTP://WORLDCRUNCH.COM/WORLD-AFFAIRS/C1P1/) BUSINESS / FINANCE (HTTP://WORLDCRUNCH.COM/BUSINESS-FINANCE/C2P1/) PHOENIX – Eight years ago, as brain researchers Susana Martinez-Conde and Stephen Macknik were driving down the Las Vegas Strip, the billboards they passed suddenly got them to rethink about the brain's capacity to process visual information. Until then, the two professors at the prestigious Barrow Neurological Institute (http://en.wikipedia.org/wiki/Barrow_Neurological_Institute) in Arizona had addressed this question by using optical illusions. Now the signs advertizing magic acts would lead them to the next stage: Magicians are masters of manipulation (http://www.worldcrunch.com/culture- society/meet-the-world-039-s-top-mentalist-a-rock-star-of-modern-witchcraft/christoph- kuch-mentalist-magic-magician/c3s10010/#.UjmKpGTwIWw) , often a few steps ahead of science in using the brain's capabilities to alter the effects of visual cognition. Martinez-Conde and Macknik had an intuition that learning magicians' techniques would help them understand how the brain's most fundamental mechanisms function. They went on to recruit some of America's top masters of illusion, such as James Randi ("The Amazing Randi") and the duo Penn Jillette and Raymond Teller ("Penn & Teller"), who were interested in cognition studies. At the same time, to make sure they understood the profession, the two researchers learned the art of magic themselves, and were accepted in Magic Castle, the most prominent illusionists association. "It was our one and only show," Macknik tells Calcalist. "The examiners' message was clear: You did it, but you better keep your day jobs." Since then, their work has been centered around developing neuro-magic, a branch in brain studies they have founded. Parallel to research, they often give lectures, stage illusions (http://www.worldcrunch.com/culture-society/the-quot-end-of-history-illusion-quot-why-we- like-change-as-long-as-it-039-s-in-the-past/change-stability-psychology-survey- science/c3s10901/#.UjmKwWTwIWw) and explain how difficult it is for the brain to control them. NeuroMagic: How Masters Of Illusion Help Explain The Brain's Mysteries Mind tricks Keren Tzuriel Harari (2013-09-18) SHARE : DTHIS&PUB=RA-5026A39137634BE2&SOURCE=TBX-300&LNG=EN- %2FCULTURE-SOCIETY%2FNEUROMAGIC-HOW-MASTERS-OF-ILLUSION-HELP-EXPLAIN-THE-BRAIN- W%20MASTERS%20OF%20ILLUSION%20HELP%20EXPLAIN%20THE%20BRAIN'S%20MYSTERIES%20- BE2/-/- =1&PRE=HTTPS%3A%2F%2FWWW.GOOGLE.COM%2F&TT=0&CAPTCHA_PROVIDER=NUCAPTCHA) DTHIS&PUB=RA-5026A39137634BE2&SOURCE=TBX-300&LNG=EN- ORLDCRUNCH.COM%2FCULTURE-SOCIETY%2FNEUROMAGIC-HOW-MASTERS-OF-ILLUSION-HELP- IN-ILLUSION- W%20MASTERS%20OF%20ILLUSION%20HELP%20EXPLAIN%20THE%20BRAIN'S%20MYSTERIES%20- BE2/-/- 1&PRE=HTTPS%3A%2F%2FWWW.GOOGLE.COM%2F&TT=0&CAPTCHA_PROVIDER=NUCAPTCHA) DTHIS&PUB=RA-5026A39137634BE2&SOURCE=TBX-300&LNG=EN- 2FCULTURE-SOCIETY%2FNEUROMAGIC-HOW-MASTERS-OF-ILLUSION-HELP-EXPLAIN-THE-BRAIN- W%20MASTERS%20OF%20ILLUSION%20HELP%20EXPLAIN%20THE%20BRAIN'S%20MYSTERIES%20- BE2/-/- =1&PRE=HTTPS%3A%2F%2FWWW.GOOGLE.COM%2F&TT=0&CAPTCHA_PROVIDER=NUCAPTCHA) READ LATER Farewells, October 2013: Clancy, Yosef, Giap, Reed (http://worldcrunch.com/world- affairs/farewells-october-2013-clancy-yosef- giap-reed/deaths-obit-obits- obituary/c1s13583/) Verbatim: Quotes From Clapper, Cameron, Don Popo On Bieber, More (http://worldcrunch.com/world- affairs/verbatim-quotes-from-clapper- cameron-don-popo-on-bieber- more/c1s13877/) In Fractured Turkey, Wave Of Nostalgia For Founding Father (http://worldcrunch.com/culture-society/in- fractured-turkey-wave-of-nostalgia-for- founding-father/kemal-atat-rk-headscarves- feminism-gezi-park-protests-sunni- secularism-latife-erdogon/c3s13917/) SELECT COUNTRY MOROCCO Brutality And Hunger In A Moroccan Forest (http://worldcrunch.com/culture- society/brutality-and-hunger-in-a-moroccan- forest/melilla-illegal-immigrants- spain/c3s13693/) DEMOCRATIC REPUBLIC OF CONGO How Rwandan Shops And Congolese Farms Bump Up Agriculture Output (http://worldcrunch.com/food-travel/how- rwandan-shops-and-congolese-farms-bump- up-agriculture-output/agriculture-farming- rwanda-rdc/c6s13949/) GEORGIA Post-Soviet Democracy: What Happens After Elections Matters Even More (http://worldcrunch.com/world-affairs/post- soviet-democracy-what-happens-after- MOST POPULAR ELSEWHERE (http://www.addthis.com/bookmark.php? v=300&winname=addthis&pub=ra- 5026a39137634be2&source=tbx32- 300&lng=en- US&s=linkedin&url=http%3A%2F%2Fwww.worldcrunch.com%2Fculture- society%2Fneuromagic- how- masters- of- llusion- help- explain- the- brain- 039- s- mysteries%2Fneurology- magic- brain- llusion- neurological%2Fc3s13421%2F&title=NeuroMagic%3A%20How%20Masters%20Of%20Illusion%20Help%20Explain%20The%20Brain's%20Mysteries%20- %20All%20News%20Is%20Global&ate=AT- ra- 5026a39137634be2/- /- 5277244b4611e963/2&frommenu=1&uid=5277244b0660b08d&ct=1&pre=https%3A%2F%2Fwww.google.com%2F&tt=0&captcha_provider=nucaptcha) (http://www.addthis.com/bookmark.php? v=300&winname=addthis&pub=ra- 5026a39137634be2&source=tbx32- 300&lng=en- US&s=google_plusone_share&url=http%3A%2F%2Fwww.worldcrunch.com%2Fculture- society%2Fneuromagic- how- masters- of-

Transcript of NeuroMagic: How Masters Of Illusion Help Explain The Brain...

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    PHOENIX – Eight years ago, as brain researchers Susana Martinez-Conde and Stephen

    Macknik were driving down the Las Vegas Strip, the billboards they passed suddenly got

    them to rethink about the brain's capacity to process visual information. Until then, the

    two professors at the prestigious Barrow Neurological Institute

    (http://en.wikipedia.org/wiki/Barrow_Neurological_Institute) in Arizona had addressed this

    question by using optical illusions. Now the signs advertizing magic acts would lead them to

    the next stage: Magicians are masters of manipulation (http://www.worldcrunch.com/culture-

    society/meet-the-world-039-s-top-mentalist-a-rock-star-of-modern-witchcraft/christoph-

    kuch-mentalist-magic-magician/c3s10010/#.UjmKpGTwIWw), often a few steps ahead of

    science in using the brain's capabilities to alter the effects of visual cognition.

    Martinez-Conde and Macknik had an intuition that learning magicians' techniques would help

    them understand how the brain's most fundamental mechanisms function.

    They went on to recruit some of America's top masters of illusion, such as James Randi ("The

    Amazing Randi") and the duo Penn Jillette and Raymond Teller ("Penn & Teller"), who were

    interested in cognition studies. At the same time, to make sure they understood the

    profession, the two researchers learned the art of magic themselves, and were accepted in

    Magic Castle, the most prominent illusionists association.

    "It was our one and only show," Macknik tells Calcalist. "The examiners' message was clear:

    You did it, but you better keep your day jobs."

    Since then, their work has been centered around developing neuro-magic, a branch in brain

    studies they have founded. Parallel to research, they often give lectures, stage illusions

    (http://www.worldcrunch.com/culture-society/the-quot-end-of-history-illusion-quot-why-we-

    like-change-as-long-as-it-039-s-in-the-past/change-stability-psychology-survey-

    science/c3s10901/#.UjmKwWTwIWw) and explain how difficult it is for the brain to control

    them.

    NeuroMagic: How Masters Of Illusion HelpExplain The Brain's Mysteries

    Mind tricks

    Keren Tzuriel Harari (2013-09-18) SHARE :

    (HTTP://WWW.ADDTHIS.COM/BOOKMARK.PHP?V=300&WINNAME=ADDTHIS&PUB=RA-5026A39137634BE2&SOURCE=TBX-300&LNG=EN-US&S=LINKEDIN&URL=HTTP%3A%2F%2FWWW.WORLDCRUNCH.COM%2FCULTURE-SOCIETY%2FNEUROMAGIC-HOW-MASTERS-OF-ILLUSION-HELP-EXPLAIN-THE-BRAIN-

    NEUROLOGICAL%2FC3S13421%2F&TITLE=NEUROMAGIC%3A%20HOW%20MASTERS%20OF%20ILLUSION%20HELP%20EXPLAIN%20THE%20BRAIN'S%20MYSTERIES%20-%20ALL%20NEWS%20IS%20GLOBAL&ATE=AT-RA-5026A39137634BE2/-/-/5277244B4611E963/10&FROMMENU=1&UID=5277244B8E461BCD&CT=1&PRE=HTTPS%3A%2F%2FWWW.GOOGLE.COM%2F&TT=0&CAPTCHA_PROVIDER=NUCAPTCHA)

    (HTTP://WWW.ADDTHIS.COM/BOOKMARK.PHP?V=300&WINNAME=ADDTHIS&PUB=RA-5026A39137634BE2&SOURCE=TBX-300&LNG=EN-US&S=GOOGLE_PLUSONE_SHARE&URL=HTTP%3A%2F%2FWWW.WORLDCRUNCH.COM%2FCULTURE-SOCIETY%2FNEUROMAGIC-HOW-MASTERS-OF-ILLUSION-HELP-EXPLAIN-THE-BRAIN-039-S-MYSTERIES%2FNEUROLOGY-MAGIC-BRAIN-ILLUSION-NEUROLOGICAL%2FC3S13421%2F&TITLE=NEUROMAGIC%3A%20HOW%20MASTERS%20OF%20ILLUSION%20HELP%20EXPLAIN%20THE%20BRAIN'S%20MYSTERIES%20-%20ALL%20NEWS%20IS%20GLOBAL&ATE=AT-RA-5026A39137634BE2/-/-/5277244B4611E963/11&FROMMENU=1&UID=5277244BF11E93C4&CT=1&PRE=HTTPS%3A%2F%2FWWW.GOOGLE.COM%2F&TT=0&CAPTCHA_PROVIDER=NUCAPTCHA)

    (HTTP://WWW.ADDTHIS.COM/BOOKMARK.PHP?V=300&WINNAME=ADDTHIS&PUB=RA-5026A39137634BE2&SOURCE=TBX-300&LNG=EN-US&S=REDDIT&URL=HTTP%3A%2F%2FWWW.WORLDCRUNCH.COM%2FCULTURE-SOCIETY%2FNEUROMAGIC-HOW-MASTERS-OF-ILLUSION-HELP-EXPLAIN-THE-BRAIN-

    NEUROLOGICAL%2FC3S13421%2F&TITLE=NEUROMAGIC%3A%20HOW%20MASTERS%20OF%20ILLUSION%20HELP%20EXPLAIN%20THE%20BRAIN'S%20MYSTERIES%20-%20ALL%20NEWS%20IS%20GLOBAL&ATE=AT-RA-5026A39137634BE2/-/-/5277244B4611E963/12&FROMMENU=1&UID=5277244BBCCFCF2D&CT=1&PRE=HTTPS%3A%2F%2FWWW.GOOGLE.COM%2F&TT=0&CAPTCHA_PROVIDER=NUCAPTCHA)

    READ LATER

    Farewells, October 2013: Clancy, Yosef, Giap,

    Reed (http://worldcrunch.com/world-

    affairs/farewells-october-2013-clancy-yosef-

    giap-reed/deaths-obit-obits-

    obituary/c1s13583/)

    Verbatim: Quotes From Clapper, Cameron,

    Don Popo On Bieber, More

    (http://worldcrunch.com/world-

    affairs/verbatim-quotes-from-clapper-

    cameron-don-popo-on-bieber-

    more/c1s13877/)

    In Fractured Turkey, Wave Of Nostalgia For

    Founding Father

    (http://worldcrunch.com/culture-society/in-

    fractured-turkey-wave-of-nostalgia-for-

    founding-father/kemal-atat-rk-headscarves-

    feminism-gezi-park-protests-sunni-

    secularism-latife-erdogon/c3s13917/)

    SELECT COUNTRY

    MOROCCOBrutality And Hunger In A Moroccan Forest

    (http://worldcrunch.com/culture-

    society/brutality-and-hunger-in-a-moroccan-

    forest/melilla-illegal-immigrants-

    spain/c3s13693/)

    DEMOCRATIC REPUBLIC OF

    CONGOHow Rwandan Shops And Congolese Farms

    Bump Up Agriculture Output

    (http://worldcrunch.com/food-travel/how-

    rwandan-shops-and-congolese-farms-bump-

    up-agriculture-output/agriculture-farming-

    rwanda-rdc/c6s13949/)

    GEORGIAPost-Soviet Democracy: What Happens After

    Elections Matters Even More

    (http://worldcrunch.com/world-affairs/post-

    soviet-democracy-what-happens-after-

    MOST POPULAR

    ELSEWHERE

    (http://www.addthis.com/bookmark.php?

    v=300&winname=addthis&pub=ra-

    5026a39137634be2&source=tbx32-

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  • "The visual system's task is to tell us what happens in the world on the physical level in the

    most accurate way possible," says Macknik. "But that's not what it actually does. It creates a

    simulation of the world that helps us survive. In some cases the information is very accurate,

    in others it's not – but in a way that is beneficial for us."

    Martinez-Conde notes that some illusions will always work on everyone

    (http://www.worldcrunch.com/tech-science/neuromarketing-pushing-the-limits-of-the-

    powers-of-persuasion/neuromarketing-neuroscience-scientific-revision-

    persuasion/c4s10984/#.UjmLEWTwIWw), no matter how frequently you watch them and what

    your expertise is. "In optical illusions, what's critical is the stage in the visual system in which

    the illusion happens," she explains. "If it's the earliest stage of the retina, then the illusion

    relies on circuits wired to the visual system, and in such case, even if you are aware that the

    illusion is there you cannot resist it."

    1. So moving

    Even though we confidently know it is a picture, snakes and spirals in the famous illusions

    spin in front of our eyes relentlessly. "These special examples create an illusion of motion

    because of the movement of the eye," explains Martinez-Conde. "These are very small

    involuntary movements called 'microsaccades' and they move the picture in a way that

    stimulates the neural motion senses in the visual system, and it looks as if the picture is

    moving."

    Such patterns do not exist in nature, of course, but Martinez-Conde and Macknik's study used

    them to determine how vital these microsaccades are for seeing, and for calculating the

    speed of a movement.

    2. Neurons have expectations too

    One of the things we're wired to do is easily recognize faces. In their lectures, Martinez-Conde

    presents an idyllic picutre of a cute blond boy on his father's shoulders. Everything looks

    perfect in the photo, until Martinez-Conde points to the boy's hand: he has two thumbs.

    Shortly later she presents a photo of a family from the waist up, all are smiling and gazing at

    the horizon — and they all have the same face. It is very difficult to notice that. "These are

    illusions that are related to our expectations," explains Macknik. "We expect the faces to be

    different because that's what it's like in nature."

    3. It's just impossible

    Illusionist Jerry Andrus, who died in 2007, was an expert at creating illusions

    (http://www.worldcrunch.com/tech-science/neuromarketing-pushing-the-limits-of-the-

    powers-of-persuasion/neuromarketing-neuroscience-scientific-revision-

    persuasion/c4s10984/#.UjmLEWTwIWw) out of objects such as "The Impossible Box": a

    wooden chest where nothing fits together. The rear stick closes the box from the front, the

    front one is attached to its rear part, and Andrus would stand inside; and assuming he is a

    normal three-dimensional human being, this is impossible. The explanation is perspective:

    Change the point of view and you realize the box is L-shaped.

    "This illusion demonstrates how the brain evaluates objects," says Macknik. "We see straight

    lines, corners and how they meet, and the brain measures (http://www.worldcrunch.com/tech-

    science/measuring-brain-activity-to-test-how-generous-you-

    are/c4s5857/#.UjmLQWTwIWw) them to calculate what the object is — even if there are

    illogical things about it. The corners and the margins of the Impossible Box are perfectly

    legitimate, there is nothing wrong or impossible on the local level, but something is globally

    wrong and this is why it is an illusion."

    4. Tilting cognition

    Even after watching this illusion a few times, before and after Martinez-Conde's explanations,

    I kept falling for it. I know these are two identical photos of the Pisa Tower that were just put

    next to one another. So, I know they have exactly the same incline. And still the tower in the

    photo on the right leans a little bit lower.

    "This illusion shows us how the brain processes perspective. When we observe train tracks it

    appears to us that they merge on the horizon, and when we look at skyscrapers side by side it

    looks they near one another and meet the higher you look," she explains. "When the brain

    sees the two photos of the Pisa Tower it expects them to meet the higher you go, but since

    it's the same image, their ends don't consolidate, and one looks a bit more bent."

    5. What you miss

    Set to play a video, Macknik gives the audience a simple instruction: count how many balls

    the players of the white team pass. When the video ends, members of the audience proudly

    announce their counts. It's just one thing they didn't notice: the dancing black bear that

    appeared between the players.

    "Attention works like a spotlight, and when focusing on one thing you actively repress the rest

    of the things around," he explains. "So if you focus your attention on the wrong thing, you

    might miss something important."

    elections-matters-even-more/elections-post-

    soviet-transitions-democracy-

    georgia/c1s13922/)

    illusion-

    help-

    explain-

    the-

    brain-

    039-

    s-

    mysteries%2Fneurology-

    magic-

    brain-

    illusion-

    neurological%2Fc3s13421%2F&title=NeuroMagic%3A%20How%20Masters%20Of%20Illusion%20Help%20Explain%20The%20Brain's%20Mysteries%20-

    %20All%20News%20Is%20Global&ate=AT-

    ra-

    5026a39137634be2/-

    /-

    /5277244b4611e963/3&frommenu=1&uid=5277244b4a20f510&ct=1&pre=https%3A%2F%2Fwww.google.com%2F&tt=0&captcha_provider=nucaptcha)

    (http://www.addthis.com/bookmark.php?

    v=300&winname=addthis&pub=ra-

    5026a39137634be2&source=tbx32-

    300&lng=en-

    US&s=reddit&url=http%3A%2F%2Fwww.worldcrunch.com%2Fculture-

    society%2Fneuromagic-

    how-

    masters-

    of-

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    help-

    explain-

    the-

    brain-

    039-

    s-

    mysteries%2Fneurology-

    magic-

    brain-

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    neurological%2Fc3s13421%2F&title=NeuroMagic%3A%20How%20Masters%20Of%20Illusion%20Help%20Explain%20The%20Brain's%20Mysteries%20-

    %20All%20News%20Is%20Global&ate=AT-

    ra-

    5026a39137634be2/-

    /-

    /5277244b4611e963/4&frommenu=1&uid=5277244b8261030d&ct=1&pre=https%3A%2F%2Fwww.google.com%2F&tt=0&captcha_provider=nucaptcha)

    http://www.worldcrunch.com/tech-science/neuromarketing-pushing-the-limits-of-the-powers-of-persuasion/neuromarketing-neuroscience-scientific-revision-persuasion/c4s10984/#.UjmLEWTwIWwhttp://www.worldcrunch.com/tech-science/neuromarketing-pushing-the-limits-of-the-powers-of-persuasion/neuromarketing-neuroscience-scientific-revision-persuasion/c4s10984/#.UjmLEWTwIWwhttp://www.worldcrunch.com/tech-science/measuring-brain-activity-to-test-how-generous-you-are/c4s5857/#.UjmLQWTwIWwhttp://worldcrunch.com/world-affairs/post-soviet-democracy-what-happens-after-elections-matters-even-more/elections-post-soviet-transitions-democracy-georgia/c1s13922/http://www.addthis.com/bookmark.php?v=300&winname=addthis&pub=ra-5026a39137634be2&source=tbx32-300&lng=en-US&s=google_plusone_share&url=http%3A%2F%2Fwww.worldcrunch.com%2Fculture-society%2Fneuromagic-how-masters-of-illusion-help-explain-the-brain-039-s-mysteries%2Fneurology-magic-brain-illusion-neurological%2Fc3s13421%2F&title=NeuroMagic%3A%20How%20Masters%20Of%20Illusion%20Help%20Explain%20The%20Brain's%20Mysteries%20-%20All%20News%20Is%20Global&ate=AT-ra-5026a39137634be2/-/-/5277244b4611e963/3&frommenu=1&uid=5277244b4a20f510&ct=1&pre=https%3A%2F%2Fwww.google.com%2F&tt=0&captcha_provider=nucaptchahttp://www.addthis.com/bookmark.php?v=300&winname=addthis&pub=ra-5026a39137634be2&source=tbx32-300&lng=en-US&s=reddit&url=http%3A%2F%2Fwww.worldcrunch.com%2Fculture-society%2Fneuromagic-how-masters-of-illusion-help-explain-the-brain-039-s-mysteries%2Fneurology-magic-brain-illusion-neurological%2Fc3s13421%2F&title=NeuroMagic%3A%20How%20Masters%20Of%20Illusion%20Help%20Explain%20The%20Brain's%20Mysteries%20-%20All%20News%20Is%20Global&ate=AT-ra-5026a39137634be2/-/-/5277244b4611e963/4&frommenu=1&uid=5277244b8261030d&ct=1&pre=https%3A%2F%2Fwww.google.com%2F&tt=0&captcha_provider=nucaptcha

  • Here, the audience looked at the right direction, but their attention was focused on counting

    the passes of the ball, and thus didn't notice the bear.

    "Most scientists believed this is a flaw in cognition, but we disagree," adds Macknik. "For us,

    that's an example the brain (http://www.worldcrunch.com/tech-science/brain-size-science-

    shows-bigger-is-not-always-brighter/pnas-jeroen-smaers-brain-size-shrews-

    /c4s9883/#.UjmLRWTwIWw) is doing a good job, since it fulfilled its task and ignored the

    rest."

    6. Laughter as anesthesia

    One thing Martinez-Conde and Macknik learned from magicians, but haven't studied in the lab

    yet: what happens at the moment of a joke's punch-line. "No one knows yet why it works —

    perhaps when we laugh, our attention is on the internal process and not the external senses,"

    says Maknick. "It's a very interesting effect of cognition we want to know more about, because

    science knows very little about the link between attention and emotions, and it is critical for

    many neurological illnesses like Alzheimer (http://www.worldcrunch.com/welcome-

    dementia-village-european-experiment-long-term-alzheimers-care/culture-

    society/welcome-to-dementia-village-a-european-experiment-in-long-term-alzheimer-s-

    care/c3s4527/#.Ujm3V8a-2dk). It will be the focus at the next stage of our research."

    See Original Source

    (http://www.calcalist.co.il/local/articles/0,7340,L-

    3612074,00.html)

    Photo by: jin.thai

    (http://www.flickr.com/photos/jinthai/3204335424/) Crunched by: Ido Liven

    All Rights Reserved © Worldcrunch - in partnership with CALCALIST (HTTP://WWW.CALCALIST.CO.IL/)

    ABOUT THIS ARTICLE SOURCE

    Website: http://www.calcalist.co.il/

    Calcalist ("Economist") is Israel's leading business newspaper, founded in 2008 and published by the Yedioth Ahronoth

    Group. While it targets professionals in the fields of economy, law and business, it includes articles across a wide

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