physiology of visual cortex (Vision III)

Question 1

What is the function of the lateral geniculate nucleus?

Answer 1

The lateral geniculate relays the signal to the primary visual cortex. The nucleus itself is layers 1-6. P type ganglion cell: 3-6, color vision; M-type ganglion cells: 1 and 2, movement. Also alternate input.

Question 2

The fibers in the superior retinal quadrants represents the upper or lower part of visual field?

Answer 2

Lower

Question 3

What are the projection from primary visual cortex (V1) to visual association ares related to?

Answer 3

depth perception (V2, V3, V3a), color vision (V4), and motion detection (MT = middle temporal).

Question 4

What is akinetopsia

Answer 4

motion blindness