Upper Midbrain (pg. 108)

Question 1

function of superior colliculus (II)

Answer 1

visual motor integration, helps to coordinate saccadic and other eye movements

Question 2

input to superior colliculus (II)

Answer 2

retina and striate cortex (ipsi.)

Question 3

output of superior colliculus (II)

Answer 3

ipsi. tectospinal tract

Question 4

function of oculomotor nucleus (III)

Answer 4

eye movement

Question 5

input to oculomotor nucleus (III)

Answer 5

medial longitudinal fasciculus

Question 6

output of oculomotor nucleus (III)

Answer 6

ciliary ganglion or respective muscles

Question 7

function of Edinger-Westphal nucleus

Answer 7

parasympathetic input to eye

Question 8

input to Edinger-Westphal nucleus

Answer 8

reticular formation

Question 9

output of Edinger-Westphal nucleus

Answer 9

iris sphincter

Question 10

function of medial geniculate nucleus

Answer 10

auditory

Question 11

input to medial geniculate nucleus

Answer 11

inferior colliculus through brachium of inferior colliculus

Question 12

output of medial geniculate nucleus

Answer 12

auditory cortex

Question 13

function of CN III tract

Answer 13

motor control of eyes and eyelids

Question 14

input to CN III tract

Answer 14

medial longitudinal fasciculus fibers, 3rd nerve nucleus

Question 15

output of CN III tract

Answer 15

4 extraocular muscles and pupil, ciliary body, and eyelids

Question 16

function of trigeminothalamic tract

Answer 16

somatosensory (head), tactile and proprioception

Question 17

input to trigeminothalamic tract

Answer 17

principle sensory nucleus of trigeminal

Question 18

output of trigeminothalamic tract

Answer 18

VPM of thalamus

Question 19

function of brachium of inferior colliculus

Answer 19

hearing

Question 20

input to brachium of inferior colliculus

Answer 20

inferior colliculus

Question 21

output of brachium of inferior colliculus

Answer 21

medial geniculate