CN I
Olfactory
S
Smell
CN II
Optical
S
Vision
CN III
Oculomotor
M
Pupillary reaction
CN IV
Trochlear
M
Eye movement
CN V
Trigeminal
B
Facial sensation and chewing
CN VI
Abducens
M
Eye movement
CN VII
Facial
B
Facial expression and taste
CN VIII
Vestibulocochlear
S
Balance and hearing
CN IX
Glossopharyngeal
B
Taste and swallowing
CN X
Vagus
B
PNS
CN XI
Spinal Accessory
M
Head and shoulder muscles
CN XII
Hypoglossal
M
Tongue movement