Motor 3

Question 1

Brainstem control of movement

Answer 1

Organize axial musculature

Maintain balance

Regulate posture

Orient gaze

Question 2

mesencephalic locomotor region

Answer 2

Mamillary bodies

Central pattern generator

Question 3

Reticulospinal tract

Answer 3

pons- reticular formation
descends
mediates in medial ventral horn

Important for posture, balance, and anticipatory movements

A cat w/o will fall when being cute and playing (batting)

Question 4

Descending projections from _______ initiate CPG activity

Answer 4

midbrain- Mesencephalic locomotor center

Question 5

Vestibulospinal tract

Answer 5

(vestibular info) Important for posture, balance, and orienting movements

Originates in vestibular nuclei

Question 6

Important for posture, balance, and anticipatory movements

Answer 6

Reticulospinal tract

Question 7

Important for posture, balance, and orienting movements w/ reflexive roles

Answer 7

Vestibulospinal tract

vestibulospinal reflexes
mediate protective responses to falls

Question 8

VOR circuitry

Answer 8

Abducens nucleus