[visionlist] V1 Survey

[Gislin Dagnelie]

Dear Paul,

While I appreciate your curiosity to find out what fellow researchers are 
thinking, I am afraid the premise behind your survey (and the V1 cognitive map 
concept) is invalid: Cortical visual processing is hugely reliant on feedback 
loops, so it is the entire network of multiple visual areas that allows for V1 
processing to be effective.

So while standard feature extraction (orientation, edges, terminations, 
binocular disparity, etc.) could probably be carried out within V1, without 
much feedback from areas V2 and beyond, attention and certainly Bayesian 
inference represent the effects of feedback, IMHO.

Best regards,
-- 
Gislin Dagnelie, Ph.D.
Professor of Ophthalmology
JHU Lions Vision Research & Rehab Center
Johns Hopkins Hospital, Wilmer Woods 358
1800 Orleans St
Baltimore, MD 21287-0023    http://www.ultralowvisionlabjhu.net/
USA			        e-mail: gdagnelie at jhmi.edu


On 29 Jul 2024 at 16:36, Paul Linton <paul.linton at columbia.edu> wrote:

In anticipation of
CCN GAC "Is V1 a Cognitive Map?" 
next week, please tell us which of the following V1 (Primary Visual Cortex) 
does:



*** Please take anonymous online poll to get your views! ***

Thanks so much!

-

Dr Paul Linton
Presidential Scholar inSociety andNeuroscience,Columbia University
Fellow, Italian Academy forAdvanced Studies,Columbia University
Visual Inference Lab,Zuckerman Mind BrainBehavior Institute, 
ColumbiaUniversity
https://linton.vision