Lecture 8

Question 1

Damage to right optic nerve causes:

Answer 1

Right anopsia

Question 2

Damage to left optic nerve causes:

Answer 2

Left anopsia

Question 3

Damage to right optic tract causes:

Answer 3

Loss of left visual field in both eyes (homonymous hemianopsia)

Question 4

Damage to left optic tract causes:

Answer 4

Loss of right visual field in both eyes (homonymous hemianopsia)

Question 5

Damage to the optic chiasm causes:

Answer 5

Bitemporal hemianopsia (heteronymous hemianopsia)

Question 6

Damage to the lower optic radiation causes:

Answer 6

Upper quadrant anopsia

Question 7

Damage to the upper optic radiation causes:

Answer 7

Lower quadrant anopsia

Question 8

What controls the circadian rhythms?

Answer 8

Suprachiasmatic nucleus of the hypothalamus