Chapter 13: The Occipial Lobes

Question 1

calcarine sulcus

Answer 1

• contains V1

- devides upper and lower visual world

Question 2

lingual gyrus

Answer 2

• contains V2 and VP

- middle inferior temporal

Question 3

fusiform gyrus

Answer 3

• contains V4

- anterior inferior temporal

Question 4

blobs

Answer 4

• in V1
• lots of cytochrome oxidase
• colour perception

Question 5

interblob regions

Answer 5

• in V1

- form and motion perception

Question 6

dorsal stream

Answer 6

• parietal

- visual guidance

Question 7

ventral stream

Answer 7

• object perception

Question 8

V4

Answer 8

• the colour area

Question 9

V3

Answer 9

• dynamic form

Question 10

V1 damage

Answer 10

• blind sight

Question 11

LO

Answer 11

• lateral occipital

- damage causes blind sight

Question 12

dorsal stream damage

Answer 12

• seeing but no correct grasping

Question 13

visual neurons in posterior parietal

Answer 13

• only active when acting on visual info

Question 14

monocular blindness

Answer 14

• one eye

- not about the brain

Question 15

bitemporal hemianopia

Answer 15

• both outer visual fields

Question 16

homonymous hemianopia

Answer 16

• both left / right visual fields blind

Question 17

scotomas

Answer 17

• small blind spots

- often unnoticed

Question 18

prosopagnosia

Answer 18

• from bilateral calcarine fissure (TPJ) damage

Question 19

appeceptive agnosia

Answer 19

• no perception of objects

- often together with simulatagnosia

Question 20

associative agnosia

Answer 20

• no recognition

- due to e.g. anterior temporal damage

Question 21

alexia

Answer 21

• LH fusiform and lingual areas

Question 22

topographic disorientation

Answer 22

• RH medial occipitotemporal region

- often together with impaired facial recogntion