12 Cranial Nerves & their functions

Olfactory

I

Sense of smell S

Optic

II

Vision S

Oculomotor

III

Eye/eyelid control, pupil, lens shape M

Trochlear

IV

Eye movement, superior oblique M

Trigeminal

V

Chewing, sensation for head and face B

Abducens

VI

Lateral eye movement, lateral rectus M

Facial

VII

Facial expression, salivation, taste, tears B

Vestibulocochlear

VIII

Hearing and equilibrium (balance/orientation) S

Glossopharyngeal

IX

Salivation, taste, swallowing B

Vagus

X

Visceral muscle movement B

Accessory (Also known as "Spinal Accessory")

XI

Head, shoulder control M

Hypoglossal

XII

Tongue movements, speech, swallowing M