receptive field of visual neurons

Question 1

what is a visual receptive field?

Answer 1

the area of the retinal that when stimulated with light changes the cells activity
-comes in different forms like circular and rectangular
-

Question 1

Hubel and Wiesel

Answer 1

activity patters of visual neurons determine the location of the stimulus in space and what it is
-neuronal firing rate is proportional to the strength of light intensity

Question 2

is the V1 rectangular or circular?

Answer 2

rectangular

Question 3

how many areas does a receptive field have?

Answer 3

a center and a surround that produce opposite responses

Question 4

On center is ___ surround

Answer 4

off

Question 5

off center is ____ surround

Answer 5

on

Question 6

when does the cell fire most?

Answer 6

when there is contrast between receptive fields

Question 7

what is the effect if light is simultaneously shown in both areas?

Answer 7

weak or no effect.

Question 8

receptive fields in the fovea are (bigger/smaller)
compared to those in the periphery?

Answer 8

smaller