Future Neurology. 2012;7(6):679-700. Isolated CN palsies are rare signs of MS. [143] Lesions within the brainstem may cause injury to the CN III, CN IV or CN VI nuclei or fascicles resulting in ...
You experience changes in sensation along the median nerve and in the areas it serves. The nerve carries sensory and motor (muscle) information to your palm, thumb, ring, middle, and index fingers.