Right visual field to left hemisphere. Why?

Matt Jones jonesmat at ohsu.edu
Tue Oct 6 13:38:56 EST 1998


In article <6vbui9$htg at dfw-ixnews10.ix.netcom.com> F. Frank LeFever,
flefever at ix.netcom.com writes:
> Maybe I've misread, or maybe, your being so heavily invested at the
>molecular level (I checked out your two abstracts in upcoming Society
>for Neuroscience program), you really have slipped up on a molar (gross
>anatomy) level.  Both sensory and motor fibers are crossed, so
>something appearing in the right visual field would go to left
>hemisphere, yes, but most direct motor response from that hemisphere
>would be to the muscles on the RIGHT side of the body, not the left.
>

Oops! Right you are. The hypothesis I suggested would only work if you
went straight from the right eye to the muscles on the left side,
bypassing any central motor neurons (are there any vertebrates organized
like this?). Thanks for the correction and the additional comments.

-Matt



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