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 ...

Medically reviewed by Arno Kroner, DAOMA hypnic jerk is a sudden involuntary twitch or muscle contraction that occurs as you fall asleep. Also known as sleep starts, these hypnic jerks may jolt the ...

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 ...