A member asked:

What nerve causes facial muscle weakness?

A doctor has provided 1 answer

Cranial Nerves: Facial expression and movement are controlled by several of the cranial nerves (cn). Ocular motion by cn3, 4, 6. Eyebrow lift by cn3, eyelid closing by cn7, muscles of chewing by cn5 and the rest of the face by cn7.

Answered 3/26/2013

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