Olfactory (I)

sensory

O: cerebral cortex

F: sense of smell

Optic (II)

sensory

O: thalamus

F: sense of sight

Oculomotor (III)

motor

O: midbrain

F:  eye movement (raising eyelids, moving eyes, focusing, pupil diameter)

Trochlear (IV)

motor

O: midbrain

F: eye movement

Trigeminal (V)

sensory and motor

O: pons

F: opthalmic (sensory) sensation from scalp, surface of eyes, upper eyelids, forehead, tear glands;

maxillary (sensory) sensation from upper teeth and gum, upper lip, palate, and skin of face;

mandibular (sensory) sensation from scalp, skin of jaw, lower teeth, gum and lip; (motor) mastication

Abducens (VI)

motor

O: pons

F: eye movement

Facial (VII)

sensory and motor

O: pons

F: (sensory) taste from anterior two-thirds of tongue

(motor) facial sensation and expression, tearing, salivation 

Vestibulocochlear (VIII)

sensory

O: pons, medulla oblongata

F: hearing, balance, equilibrium

Glossopharyngeal (IX)

sensory and motor

O: medulla oblogata

F: (sensory) taste to posterior one-third of tongue, sensation from pharynx, tonsils, carotid arteries

(motor) salivation, swallowing

Vagus (X)

sensory and motor

O: medulla oblongata

F: (sensory) sensation from pharynx, larynx, esophagus, and viscera of thorax and abdomen; activity and sensation for parts of ear

(motor) speech and swallowing; motor to viscera of thorax and abdomen

Accessory (XI)

motor

O: medulla oblongata

F: head movement, voluntary component of swallowing, control of vocal cords

Hypoglossal (XII)

motor

O: medulla oblongata

F: movement of tongue