Cranial Nerves

Olfactory
-Olfaction-also known as smell

(carries information from the nose.)

-Sensory

Optic
-Vision

(Carries visual information from eyes.)

-Sensory

Oculomotor
-Pupil Dilation

(eye movement, pupil constriction, lens shape)

-Motor

Trochlear
controls the Superior Oblique muscle of eye

-Motor

Trigeminal
-Sensation in the skin on the face and head, mastication (sensory information from face, mouth; motor signals for chewing)

-Both Sensory and Motor

Abducens
(eye movement by stimulating the lateral rectus)

-Motor

Facial
-Facial Movement, taste, saliva, and tear secretion

(sensory for taste; efferent signals for tear and salivary glands, facial expression)

-Both Sensory and Motor

Vestibulocochlear
-Balance, posture, and hearing (hearing and equilibrium)

-Sensory

Glossopharyngeal
-Swallowing, taste, and saliva secretion

(sensory from oral cavity, baro- and chemoreceptors in blood vessels; efferent for swallowing, parotid salivary gland secretion)

-Both Sensory and Motor

Vagus
-Taste,Visceral sensation

(sensory and efferents to many internal organs, muscles, and glands)

-Both Sensory and Motor

Accessory
-Movement of the head and shoulders

(muscles in neck and shoulder)

-Motor

Hypoglossal
-Movement of the tongue

(tongue muscles)

-Motor