Findings showed associations between abnormal involuntary movements and biological markers such as regional cerebral blood flow and grey matter volume in a psychiatric sample, indicating a ...

Functional movement disorders (FMD), previously referred to as “psychogenic” movement disorders, are characterized by abnormal movements, postures or spasms, such as shaking (irregular tremor) or ...

The gold standard is the Abnormal Involuntary Movement Scale, or the AIMS, although generally we kind of want to avoid premature TD labels, and we want to ensure that there's a causal link, in this ...

Chorea and hemiballismus are both forms of involuntary movement disorders. Hemiballismus can cause sudden, violent, and flinging motions. Chorea can cause irregular, spontaneous, and nonrepetitive ...

A cramp or spasm happens when a muscle contracts involuntarily. It’s a very common sensation that many of us experience from time to time. Because there are several muscles that control the movements ...