Visual Pathways

Question 1

What is the function of the pigmented layer?

Answer 1

Acts as main area of absorption for light to prevent excessive light rays

Question 2

What is the function of horizontal cells?

Answer 2

Narrow down the signal, preventing lateral cells sending signals

Question 3

Which fibres supply lateral vision?

Answer 3

temporal fibres

Question 4

Which fibres supply medial vision?

Answer 4

nasal fibres

Question 5

Do nasal fibres decussate?

Answer 5

yes

Question 6

Do temporal fibres decussate?

Answer 6

no

Question 7

Where do the optic tracts lead to?

Answer 7

Lateral geniculate nucleus

Question 8

The superior optic radiations travel through which lobe?

Answer 8

Parietal lobe

Question 9

The inferior optic radiations travel through which lobe?

Answer 9

Temporal lobe

Question 10

Where do the optic radiations travel from and to?

Answer 10

Lateral geniculate nucleus to the primary visual cortex

Question 11

Visual fields relate to which type of vision?

Answer 11

Peripheral vision

Question 12

Nasal fibres are responsible for which field of vision?

Answer 12

Temporal field

Question 13

Temporal fibres are responsible for which field of vision?

Answer 13

Nasal field

Question 14

Superior radiations are responsible for which field of vision?

Answer 14

Inferior quadrant field

Question 15

Inferior radiations are responsible for which field of vision?

Answer 15

Superior quadrant field