Cranial Nerve BookAnne Sultenfuss

Olfactory I

Smell Identifying familiar odors Sensory

Optic II

Sight or vision Visual acuity Sensory

Oculomotor III

Levator of eyelid Upward, downward,and medial gaze,

reaction to light Motor

Trochlear IV

Superior oblique muscle of eyeball Downward and lateral gaze Motor

Trigeminal V

Touch and pain skin of face, scalp behind the ears,

mucous membrane of nose, sinuses, moth, anterior longue

Muscle of mastication Corneal reflex, facial sensation, teeth

clenching Sensory and motor

Abducens VI

Lateral rectus muscle of eyeball Lateral gaze Motor

Facial VII

Taste Touch, pain Facial muscles Lateral gaze, facial expressions,

identifying familiar taste with front of tongue

Motor and sensory

Vestibulocochlear VIII

Hearing, balance Detecting presence of sounds, balance

and coordination Sensory

Glossopharyngeal IX

Touch, pain Taste Muscles of pharynx Gag reflex, swallowing Motor and sensory

Vagus X

Touch, pain Muscle of palate, pharynx and larynx Gag reflex, swallowing, speech Motor and sensory

Accessory XI

Sternocleidomastoid and trapezius muscle

Shoulder shrugging, head movement Motor

Hypoglossal XII

Muscles of tongue tongue movements Motor