Neurophysiologic study of patients with essential tremor and dystonic tremor

Background:

Essential tremor is when a person has tremor, but no other neurological symptoms. Dystonic tremor is when a person also has dystonia. Dystonia is a condition in which muscle contraction causes changes in posture. Researchers do not fully know what areas of the brain cause these tremors, or how the types differ. They also do not know what tests can identify the differences.

Objective:

To look at differences between essential tremor and dystonic tremor.

 

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