I
Olfactory
Sensory
Smell
II
Optic
Sensory
Vision
III
Oculometer
Motor
Eye movement
IV
Trochlear
Motor
Eye movement
V
Trigeminal
Both
Facial sensations chewing
VI
Abducens
Motor
Abducts the eye
VII
Facial
Both
Eye expressions
Taste
VIII
Vestibulocochlear
Sensory
Hearing/ balance
IX
Glossopharangeal
Both
Taste gag reflex
X
Vagus
Both
Swallow
Speak
XI
Accessory
Motor
Throat
Neck
XII
Hypoglossal
Motor
Tongue movement
Proprioception
Body position in space
Vestibular function
Head position in space balance