Cranial Nerves

CN I

Name: Olfactory
Type: sensory
Function: sense of smell

CN II

Name: Optic
Type: Sensory
Function: Vision

CN III

Name: Oculomotor
Type: Motor
Function: Eye Movement, eyelid elevation, pupil constriction

CN IV

Name: Trochlear
Type: Motor
Function: Eye movement (superior oblique: down & in)

CN V

Name: Trigeminal
Type: Both
Function: Facial sensation; muscles of mastication (chewing)

CN VI

Name: Abducens
Type: Motor
Function: Eye movement (lateral rectus: abducts eye)

CN VII

Name: Facial
Type: Both
Function: Facial expression; taste (anterior 2/3 tongue); tears & saliva

CN VIII

Name: Vestibulocochlear (auditory)
Type: Sensory
Function: Hearing and balance

CN IX

Name: Glossopharyngeal
Type: Both
Function: Taste (posterior 1/3 tongue); swallowing; saliva

CN X

Name: Vagus
Type: Both
Function: Autonomic control of heart, lungs, digestion; voice & swallowing

CN XI

Name: Accessory (spinal)
Type: Motor
Function: Head rotation; shoulder elevation

CN XII

Name: Hypoglossal
Type: Motor
Function: Tongue movement