Imagine sitting at home on your couch when one of your hands begins to move of its own accord — and you’re powerless to stop it. That’s what happened to one unidentified 77-year-old woman, whom ...

Alien Hand Syndrome (AHS) is a rare neurological disorder distinguished by involuntary, seemingly purposeful limb movements coupled with a sensation of estrangement from the affected limb. This ...

Ideomotor apraxia is a neurological disorder that prevents people being able to perform learned movements or tasks, even if they have the physical ability and knowledge of how to do so. Apraxia is a ...

Apraxia is a neurological disorder that affects the mental processes involved in planning, task performance, and more. Ataxia is a neurological sign affecting muscle coordination and movement.