Cranial neuropathy occurs when there is damage to the cranial nerves in the brain or brain stem. Depending on the affected cranial nerve, people may experience different symptoms, such as weakness on ...

Medically reviewed by Brigid Dwyer, MD Key Takeaways The 12 cranial nerves can be injured during head injuries, leading to symptoms like pain and weakness.Cranial nerve damage symptoms might appear ...

A complex system of nerves and muscles enables the human eye to blink, gaze, and shift focus. The trochlear nerve is one of six cranial nerves that carry electrical impulses from the brain to the eye.