TD typically consists of involuntary, irregular ... tongue protruding ("fly-catcher's tongue"), and coordinated tongue and mouth movements ("bon-bon sign"). Other stereotypies included hand and toe ...

A hypnic jerk is a sudden and strong involuntary ... there may be a large movement of the body. Generalized tonic-clonic seizures may be associated with tongue or mouth biting, loss of bladder ...

is a neurological disorder manifested by twitching on one side of the face due to involuntary contractions of the eyelid and other facial muscles. It usually begins gradually around one eye and may ...

While the two conditions are similar, people with Tourette have tics that are motor and vocal with sudden, repetitive and involuntary ... someone else’s movements, lip biting, nose wrinkling ...