Deck 9: Essay

Question 1

Describe the tectopulvinar system.

Answer 1

no answer

Question 2

What is color constancy and why is it important? What brain region is responsible for coding color constancy?

Answer 2

no answer

Question 3

To what stimulus does a hypercomplex cell respond?

Answer 3

no answer

Question 4

Why is there a blind spot in each eye?

Question 5

Differentiate between the functions of blob and interblob regions of visual cortex?

Question 6

What is trichromatic color theory? At what point in the visual system is trichromatic color coding initiated?

Question 7

What is the opponent theory of color vision? At what point in the visual system is opponent-process color coding initiated?

Question 8

What type of vision loss would occur following damage to the right optic nerve compared with damage to the right lateral geniculate nucleus?

Question 9

What is an on-center off-surround cell?

Question 10

What is a receptive field?

Question 11

To what stimulus does a simple cortical cell respond?

Question 12

What parts of the eye make up the left and right visual fields?

Question 13

To what types of visual features do neurons in the temporal cortex respond?

Question 14

What are ocular dominance columns?

Question 15

What are the main properties that differentiate rods and cones? How are they distributed in the retina?

Question 16

What is the difference between the dorsal and ventral visual streams?

Question 17

To what stimulus does a complex cortical cell respond?

Question 18

What are the symptoms of visual-form agnosia?

Question 19

What is the difference between magnocellular cells and parvocellular cells? Specifically,what types of visual signals do they carry,and where do their inputs come from?

Question 20

Describe how on-center and off-center cells enable us to see edges and shapes in our visual world.

Question 21

What is optic ataxia?

Question 22

Compare and contrast the symptoms of visual-form agnosia and optic ataxia.What do these two disorders tell us about how the visual system is organized?