Chapter 6 - Examination of the Motor Cranial Nerves V, VII, IX, X, XI, and XII

Video 6-1. Atrophy of masticatory muscles in a patient with a remote history of nasopharyngeal carcinoma treated with chemotherapy and radiation.
Video 6-2. Recurrent peripheral facial paralysis in a patient with a sixth nerve palsy (CN VI).
Video 6-3. Bilateral sequential Bell's palsies in a patient with aberrant regeneration and excessive involuntary facial movements.
Video 6-4. Left upper motor neuron facial paresis associated with a left pronator drift.


Video 6-5. A child with left spastic hemiparesis secondary to a right internal carotid artery dissection. Note characteristic features of upper motor neuron (UMN) pattern of facial paralysis.
Video 6-6. Pseudobulbar affect in a patient with progressive multifocal leukoencephalopathy (PML).