| A | B |
|---|
| CN I | Smell |
| CN II | Sight; visual acuity, field of vision, pupillary response |
| CN III | Movement of eyeball, raising of eyelid; change in pupil size, pupillary constriction |
| CN IV | Movement of eyeball; inferior and lateral movement |
| CN V | Chewing food; sensations in face, scalp, cornea, and teeth; corneal reflex |
| CN VI | Movement of eyeball; lateral |
| CN VII | Facial expressions; secretion of saliva and tears; taste; blinking |
| CN VIII | Hearing and balance |
| CN IX | Swallowing, secretion of saliva; taste; sensory for the reflex regulation of blood pressure; part of the gag reflex |
| CN X | Visceral muscle movement and sensations, especially digestive but also heart lungs bronchi; sensations of posterior tongue; sensory for reflex regulation of blood pressure |
| CN XI | Swallowing; head and shoulder movement; speaking |
| CN XII | Speech and swallowing; tongue movement; articulation of speech |
