However, it’s estimated that more than 50% of people with essential tremors have a family history of it. Myoclonus refers to fast jerks or twitches in a muscle or group of muscles. It is ...

The myoclonus was easily distinguished from orthostatic tremor by the presence of nonrhythmic bursts and the absence of high-frequency discharges. The authors conclude that orthostatic myoclonus ...

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 ...

Other forms of tardive syndrome include tardive stereotypy, tardive chorea, tardive tremor, tardive tics, tardive myoclonus, tardive parkinsonism and other movement disorders that persist even after ...