Visual System 2

Question 1

Alternating bands of V1

-Eye specific columns

Answer 1

Ocular Dominance Columns

Question 2

The eye specific layers in LGN are traded for eye specific columns in

Answer 2

V1

Question 3

Most cells in each column respond to input from

Answer 3

Only 1 eye

Question 4

Improves what the eye sees

Answer 4

Visual cortex

Question 5

Which cells in the visual cortex see dots?

Answer 5

Ganglion cells, LGN cells, 4C cells

Question 6

Simple cells in the cortex see

Answer 6

Lines

Question 7

Simple an complex cells are above and below layer

Answer 7

4C

Question 8

Keep in mind that V1 has a retinotopic map. An edge of this profile is tagged with

Answer 8

Position information

Question 9

In higher visual regions, this information is interpreted as

Answer 9

Shape and Form

Question 10

The visual association (secondary) cortex is everything except

Answer 10

V1

Question 11

The fusiform gyrus is linked to

Answer 11

Recognition

Question 12

Places are linked to the

Answer 12

Hippocampus

Question 13

Facial recognition is linked to the

Answer 13

Fusiform gyrus

Question 14

Arises after damage to the fusiform gyrus

-Thought to require bilateral damage to the Fusiform Face Area

Answer 14

Prosopagnosia

Question 15

Closed head trauma or bilateral stroke is often responsible for bilateral damage to the

Answer 15

Fusiform Face Area

Question 16

Patients are unable to recognize people by looking at their faces

Answer 16

Prosopagnosia

Question 17

Visual acuity is often in tact, but input can not be combined in a meaningful way

Answer 17

Apperceptive Agnosia

Question 18

Apperceptive agnosia is due to a

Answer 18

V2/V3 lesion

Question 19

Patient could likely draw a key from memory, but wouldn’t be able to recognize what they drew when challenged later

Answer 19

Apperceptive agnosia

Question 20

Causes cerebral achromatopsia

Answer 20

V4 lesion

Question 21

A V5 lesion causes

Answer 21

Akinetopsia (motion blindness)

Question 22

Static items are visible but disappear once they start moving rapidly

Answer 22

Akinetopsia

Question 23

Motion can be detected in slow moving objects but direction of movement is obscure

Answer 23

Akinetopsia