cranial nerve organization

I function

olfactory

smell

II function

optic

vision

III function

oculomotor

moves eye up, down, medially; raises upper eyelid, constricts pupil

IV function

trochlear

moves eye medially and down

V function

trigeminal

facial sensation, chewing, sensation from tempromandibular joint

VI function

abducens

abducts eye

VII function

facial

facial expression, closes eyes, tears, salivation and taste

VIII function

vestibulocochlear

sensation of head position relative to gravity and head movement; hearing

IX function

glossopharyngeal

swallowing, salivation, taste

X function

vagus

swallowing, speech, taste, regulates viscera

XI function

accessory

elevates shoulder, turns head

XII function

hypoglossal

moves tongue

olfactory classification

sensory

optic classification

sensory

trochlear classification

motor

trigeminal classification

both

abducens classification

motor

facial classification

both

Vestibulocochlear classification

sensory

glossopharyngeal classification

both

vagus classification

both

accessory classification

motor

hypoglossal classification

motor

what CN do eye movement and visual tracking

3 (oculomotor)

4 (trochlear)

6 (abducens)

what CN do facial sensation and facial expression

5 (trigeminal)

7 (facial)

what CN do hearing and vestibular input

8 (vestibulocochlear)

what CN does swallowing and speech

9 (glossopharyngeal)

10 (vagus)

what CN does head neck and tongue movement

11 (accessory)

12 (hypoglossal)

what CN does autonomic regulation

10 (vagus)