P3D The Persistent Mystery of Stereopsis

[Bruce Springsteen <bsspringsteen@xxxxxxxxx>]

Lots of good reading on the list lately.  Wish I had time to add to the
glut.  Here's a token something inspired by threads of a few weeks back. 
(Yes, I suffer from list-lag as usual.)  

The nice speculation on the evolution and survival value of stereo vision
reminded me of something I've wondered about: 
The corpus callosum, a structure which connects the left and right
hemispheres of the brain, is sometimes surgically severed as a way to
alleviate extreme chronic seizures, essentially disconnecting the right
brain and its functions from the left brain.  Persons who have had this
procedure done have been the subject of very interesting studies in
perception which I have occasionally seen described on educational
television shows (my chief source of scientific edification).  But I don't
recall if any effects of this procedure on stereo perception were studied
and reported.  Does anyone have information on this question?  (Last time I
asked this kind of question, I got some great references to research on
eidetic memory and stereo!)

Bruce (Another Tree-D Swinger) Springsteen

Unrelated PS -  As a recovering actor, I enjoyed George's recent foray into
musical theater (Do - a Deer) very much.  I especially enjoyed picturing
him in his dirndl, running through the Alps with an RBT S1 around his neck.
 Julie Andrews eat your heart out!  May we hope for more such musical
diversions in future? 

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