Cranial nerves - Overview and Testing

Overview of anatomy


I - Olfactory (smell)

II - Optic (vision, pupillary responses)

III, IV, VI - Oculomotor, Trochlear, Abducens nerve (eye movements)

V - Trigeminal (facial sensation, jaw muscles)

VII - Facial (facial movements)

VIII - cochlear component (hearing)

VIII - vestibular component (balance)

IX - Glossopharyngeal (pharyngeal sensation)

X - Vagus (pharyngeal movement)

XI- Spinal accessory nerve (trapezius, sternocleidomastoid)

XII - Hypoglossal nerve (tongue movement)