The case description for a Case Records of the Massachusetts General Hospital appears below. What is the diagnosis? Cast your vote. The correct diagnosis, along with the full description of the case ...

When we think of movement disorders, the tremors associated with Parkinson’s disease are probably what first spring to mind. However, there are other equally debilitating and much less well-known ...

Chorea-acanthocytosis is a rare genetic disorder of the nervous system. It causes involuntary jerks and twitches in the muscles, known as chorea, and star-shaped red blood cells, known as ...

How common are tics during childhood? Tics are so widespread that some experts say they are a normal part of growing up. About 20 percent of children will develop a tic—an involuntary movement such as ...

Athetosis and chorea are two types of involuntary movements that can occur in children and adults with neurological conditions, such as cerebral palsy. The movements have different features, and the ...