Provides input for body orientation & movement
Assists in one's sense of hearing
Convey's info about the body's position/location
Assists with fine motor movement
Tectorial membrane
Cupula
Otolithic membrane
A and b
B and c
Low specific gravity
More weight
Less viscous
Higher density
0.1 deg
0.5 deg
1 deg
10 deg
Saccule; utricle
Saccule; semi circular canals
Utricle; saccule
Semicircular canals; ampulla
At a 90 deg angle to the head
At a 30 deg angle to the head
Perfectly upright
60 deg angle to the head
Static Equilibrium
Upright Posture
Linear Acceleration
All of the above
2 of the above
1
3
6
True
False
True
False
Hyperpolarize
Depolarize
Reach tonic level dischange
Reduce the number of action potentials
Linear acceleration
Angular acceleration & rotation
Sound
Gravity
Same; excitation
Opposite; inhibition
Same; inhibition
Opposite; excitation
Tectorial membrane
Otolithic membrane
Basilar membrane
Cupula
2
4
5
6
VPM of thalamus
Medial Longitudinal Fasiculus
VPL of thalamus
Vestibular Nuclear Complex
Director of ocular movements
Interacts with cerebellum for overall motor control
Postural control
Smooth, horizontal, conjugate eye movements; Medial Lemniscus
Smooth, vertical, conjugate eye movements; Medial Lemniscus
Smooth, horizontal, conjugate eye movements; Medial Longitudianl Fasiculus
Smooth, vertical, conjugate eye movements; Medial Longitudianl Fasiculus
Medial Vestibulospinal Tract
Medial Longitudinal Fasiculus
Vestibulocerebellar Reflex
Lateral Vestibulospinal Tract
3,1,2
18,19
6,8
3
Constant divergence
Inability to accommodate
Nystagmus
Vertical phoria