Alternating Hemiplegia Information Page
... Alternating hemiplegia is a rare neurological disorder that develops in childhood, usually before the first 4 years. The disorder is characterized by recurrent but temporary episodes of paralysis on o...

Mobius Syndrome Information Page
... Mobius syndrome is a rare birth defect caused by the absence or underdevelopment of the 6th and 7th cranial nerves, which control eye movements and facial expression. The first symptom, present at bir...

Familial Periodic Paralyses Information Page
... Familial periodic paralyses are a group of inherited neurological disorders caused by mutations in genes that regulate sodium and calcium channels in nerve cells. They are characterized by episodes in...

Hereditary Spastic Paraplegia Information Page
... Hereditary spastic paraplegia (HSP), also called familial spastic paraparesis (FSP), refers to a group of inherited disorders that are characterized by progressive weakness and stiffness of the legs. ...

Locked-In Syndrome Information Page
... Locked-in syndrome is a rare neurological disorder characterized by complete paralysis of voluntary muscles in all parts of the body except for those that control eye movement. It may result from trau...

Todd''s Paralysis Information Page
... Todd's paralysis is a neurological condition characterized by a brief period of transient (temporary) paralysis following a seizure. The paralysis - which may be partial or complete - generally oc...

Vocal Cord Paralysis
... Vocal cord paralysis is a voice disorder that occurs when one or both of the vocal cords (or vocal folds) do not open or close properly. Vocal cord paralysis is a common disorder, and symptoms can ran...