Cranial Nerves & Functions

 

No.	Cranial Nerves	Functions
I	Olfactory Nerve	Smell
II	Optic Nerve	Vision
III	Oculomotor Nerve	Eye movement, pupil constriction
IV	Trochlear Nerve	Eye movement
V	Trigeminal Nerve	Somatosensory information (touch, pain) from the face and head, muscles for chewing.
VI	Abducens Nerve	Eye movement
VII	Facial Nerve	Taste (anterior 2/3 of tongue), somatosensory information from ear, controls muscles used in facial expression.
VIII	Vestibulocochlear Nerve	Hearing, balance
IX	Glossopharyngeal Nerve	Taste (posterior 1/3 of tongue), Somatosensory information from tongue, tonsil, pharynx, controls some muscles used in swallowing.
X	Vagus Nerve	Sensory, motor and autonomic functions of viscera (glands, digestion, heart rate)
XI	Spinal Accessory Nerve	Controls muscles used in head movement.
XII	Hypoglossal Nerve	Controls muscles of tongue