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Keywords:

  • Tremor;
  • Dystonia;
  • Task specificity

Abstract

Focal task-specific tremors besides primary writing tremor have rarely been reported in the literature. We describe inne cases of focal tremors induced by different specific tasks, involving a repetitive and frequently performed movement. Only one of these patients had a family history of any similar disorders. There was no overt dystonia in any of the cases, but these tremors may be forms of focal dystonia, rather than a manifestation of essential tremor.