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Cranial Nerve/Funct
Cranial nerves and functions
number | name | type | function |
---|---|---|---|
I | olfactory | sensory | sense of smell |
II | optic | sensory | visual acuity |
III | oculomotor | motor | extraocular eye movement, pupil constriction and dilation |
IV | trochlear | motor | upward/downward movement of eyeball |
V | trigeminal | sensory/motor | sensory nerve to skin of face, motor nerve to muscles of jaw |
VI | abducens | motor | lateral movement of eyeballs |
VII | facial | sensory/motor | facial expression, taste |
VIII | auditory | sensory | hearing |
IX | glossopharyngeal | sensory/motor | taste, swallowing |
X | vagus | sensory/motor | sensation of pharynx, movement of vocal cords |
XI | spinal accessory | motor | movement of head and shoulders |
XII | hypoglossal | motor | position of tongue |