what the brain does?

KP-PC k.p.collins at worldnet.att.net%remove%
Thu May 1 11:19:23 EST 2003


I Love your reply, Didier - especially its emphasis on cross-modal
integration.

Cheers, ken

--
"Schmitd! Schmitd! Ve vill build a Shapel!"

"Didier A. Depireux" <didier at rai.isr.umd.edu> wrote in message
news:b8rcco$579$1 at grapevine.wam.umd.edu...
| Profile account <Profile at reading.ac.uk> wrote:
| > Hi
|
| > I am doing some research on the brain and
| > would like to know what persentage
| > of the brain is used for certain tasks.
| > For example I have heard that 70% of
| > the brain is used for vision processing.
| > Obviously I am not looking for
|
| We are finding out that a good part of the
| brain (by which I assume you mean
| cortex) is multisensory. People tend to
| call an area visual if they record
| from it and find responses to visual stimuli,
| but typically, recordings are hard enough
| and money scarce enough (and experiments
| complex enough) that rarely does one lab
| study an area with respect to different modalities
| (visual, somatosensory, vestibular, auditory, etc).
| So using the above number you mention, 50%
| of the brain is visual, 50% is auditory, 50% is
| motor,  50 % is somatosensory, and about 90%
| is vestibular.
|
| Didier
|
| --
| Didier A Depireux         ddepi001 at umaryland.edu
didier at isr.umd.edu
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http://neurobiology.umaryland.edu/depireux.htm
| Anatomy and Neurobiology                      Phone: 410-706-1272
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