Expansion
Some Say Marry Money But My Brother Says Big Brains Matter More
Expansion
Names: On Old Olympus Towering Tops A Finn And German Viewed Some Hops
Modality: Some Say Marry Money But My Brother Says Big Brains Matter More
| Nerve | Name | Modality | Main function |
|---|---|---|---|
| I | Olfactory | S | Smell |
| II | Optic | S | Vision |
| III | Oculomotor | M | Most eye movement, pupil, eyelid |
| IV | Trochlear | M | Superior oblique |
| V | Trigeminal | B | Facial sensation, muscles of mastication |
| VI | Abducens | M | Lateral rectus |
| VII | Facial | B | Facial expression, taste anterior tongue |
| VIII | Vestibulocochlear | S | Hearing and balance |
| IX | Glossopharyngeal | B | Taste posterior tongue, gag afferent |
| X | Vagus | B | Palate, larynx, parasympathetic to viscera |
| XI | Accessory | M | Sternocleidomastoid, trapezius |
| XII | Hypoglossal | M | Tongue movement |
Two clinically useful points: LR6 SO4, all the rest are 3 for eye movement; and the upper face has bilateral cortical innervation, so an upper motor neurone lesion spares the forehead while a lower motor neurone (Bell) palsy does not.