Cranial Nerve Functions

Sensory impulses associated with smell

• Trochlear

• Olfactory

• Trigeminal

• Optic

• Oculomotor

Sensory impulses associated with vision

• Optic

• Trochlear

• Oculomotor

• Trigeminal

• Olfactory

Motor impulses that move the eye, adjust the amount of light entering the eye, focus the lens, and raise the eyelids

• Oculomotor

• Olfactory

• Optic

• Trigeminal

• Trochlear

Sensory impulses from the surface of the eyes, tear glands, scalp, forehead, and upper eyelids. Sensory impulses from the teeth, upper gum, upper lip, lining of the palate, and skin of the face. Motor impulses to muscles of mastication and to muscles in the floor of the mouth

• Trochlear

• Oculomotor

• Optic

• Olfactory

• Trigeminal

Motor impulses to lateral rectus muscles that move the eyes laterally.

• Oculomotor

• Olfactory

• Optic

• Trochlear

• Abducens

Motor impulses to the superior oblique muscles that move the eye.

• Trochlear

• Olfactory

• Trigeminal

• Oculomotor

• Optic

Sensory impulses associated with taste receptors of the anterior tongue. Motor impulses to muscles of facial expression, tear glands, and salivary glands.

• Olfactory

• Optic

• Facial

• Trochlear

• Oculomotor

Sensory impulses associated with equilibrium and hearing.

• Optic

• Olfactory

• Vestibulocochlear

• Trochlear

• Oculomotor

Sensory impulses from the pharynx, tonsils, posterior tongue, and carotid arteries. Motor impulses to salivary glands and to muscles of the pharynx used in swallowing.

• Glossopharyngeal

• Oculomotor

• Optic

• Olfactory

• Trochlear

Impulses for speech and swallowing, autonomic impulses to viscera of the thorax and abdomen, sensory impulses from pharynx, larynx, esophagus, and viscera of the thorax and abdomen.

• Vagus

• Olfactory

• Oculomotor

• Trochlear

• Optic