Yes, but they're not called "inferior" for nuthin.
--
Marc Carter
Baker University Department of Psychology
Assistant Professor, Itinerant Scientist,
Inveterate Skeptic, Former Surfer.
---
...asked Wednesday whether it would fair to describe the proposed
accounts as having "no effect whatsoever on the solvency" of Social
Security, a senior administration official said, "That's a fair
inference."
---- LA Times, 3 Feb 2005
-----Original Message-----
From: DeVolder Carol L [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 03, 2005 4:58 PM
To: Teaching in the Psychological Sciences
Subject: RE: split-brain question
But it's only the superior colliculi that have been dissed, not our
collective colliculi. Our inferior colliculi are just fine with all of
this.
c
-----Original Message-----
From: Marc Carter [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 03, 2005 4:56 PM
To: Teaching in the Psychological Sciences
Subject: RE: split-brain question
How about this:
The nasal halves of the retinae project ultimately to the contralateral
hemisphere; the temporal retinae project ipsilaterally. So (e.g.)
information from the left visual hemifield falls on the right halves of
the retinae (right eye's temporal, left eye's nasal), and so the
left-eye nasal information crosses to the contralateral (right)
hemisphere and the right-eye temporal information stays on the right
side, et voila, left hemifield info is represented in right hemisphere
visual cortex.
I tried to get the word "decussation" in there, but couldn't. It's late
and my obfuscation machine has gone missing. I will just note here that
we're completely ignoring the tecto-fugal visual stream, and have thus
completely dissed our colliculi.
I, for one, am expecting retribution.
m
--
Marc Carter
Baker University Department of Psychology
Assistant Professor, Itinerant Scientist,
Inveterate Skeptic, Former Surfer.
---
...asked Wednesday whether it would fair to describe the proposed
accounts as having "no effect whatsoever on the solvency" of Social
Security, a senior administration official said, "That's a fair
inference."
---- LA Times, 3 Feb 2005
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 03, 2005 1:15 PM
To: Teaching in the Psychological Sciences
Subject: split-brain question
Hi all,
I had a student ask me a question in class the other night regarding
split-brain patients. Does visual information go to both hemispheres?
>From pictures, it looks as though information coming into your right
visual field splits and goes to both the right and left hemisphere and
vice versa for the information coming into your left visual field. I
understand that the information still crosses by way of the optic nerve,
but it seems as though from pictures that the visual information goes to
both hemispheres, although that is not the way it is explained.
Thank you,
Nina
Dr. Nina L. Tarner
325 Math/Psychology Building
Department of Psychology
UMBC
Baltimore, MD. 21250
410-455-3704
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