unctional Architecture of primary visual cortex 3

Question 1

What is a hypercolumn?

Answer 1

A module of about 1 mm x 1 mm x 2
mm covers a pair of ocular dominance
columns (one for each eye) and all the
orientations. It acts as a small
“window” on a small part of the visual
world and processes the visual input in
terms of elementary features.”
Includes both right and left representation. Also ON and OFF domains are represented.

-This is an idealised version

Question 1

Are hypercoumns represented topographically?

Answer 1

No. But it is able to process visual world in a meaningful way.