Hi Marc:
Remind her that she shouldn't move her eyes and change the
direction of her gaze when attempting this experiment. If she
looked to the left, and then directly in front, and then to the
right then different portions of the visual scene would appear on
different locations of the retina. What was formerly covered may
be uncovered. It would take a very sensitive measure to
differentiate between collosal transfer versus direct projection
to the hemisphere because of eye movements.
She would need to follow the way of the grasshopper or house fly
to do this experiment.
On a slightly more serious note, if you had an eyetracker (and
everybody needs an eyetracker), then maybe you could blank the
scene when gaze direction changed outside some specified range.
Ken
PS - I am fowarding this reply to someone who does have an
eyetracker to see if this procedure is possible. I think it is
an interesting idea.
---------------------------------------------------------------
Kenneth M. Steele, Ph.D. [email protected]
Professor
Department of Psychology http://www.psych.appstate.edu
Appalachian State University
Boone, NC 28608
USA
---------------------------------------------------------------
On 4/14/2011 4:24 PM, Marc Carter wrote:
Hello, TIPSters --
So, today in cognitive we were talking about linguistic
capacity and split brain and all that sort of stuff, and one
student wondered whether or not she'd be able to blacken half
of her contact lenses, say, on the right sides (she's
astigmatic and has weighted lenses) and wander around with
only her right hemisphere making (initial, pre-callosal)
contact with the world.
I'm skeptical that she'd notice much, given the size of the
connection between the hemispheres, but did promise that I'd
try to find out if anyone had ever done such a thing, and if
so, what would be a good way to blacken a contact lens that
wouldn't also risk eye damage (we discussed and immediately
rejected Sharpies).
Anyone have thoughts on this?
TIA,
m
-- Marc Carter, PhD Associate Professor and Chair Department
of Psychology College of Arts& Sciences Baker University --
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