psychogenic tremor

psychogenic tremor

usually an intermittent, coarse, irregular tremor limited to a single limb; based on conversion, or merely exacerbated by it in instances of physiologic disorder.
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There are many other causes for tremor, such as physiological tremor, psychogenic tremor, ET, and myoclonus-dystonia.
A psychogenic tremor can occur at rest or during postural or active movement, and often will occur in all 3 situations (Table 2, page 26).
Psychogenic tremor often increases when the limb is examined and reduces upon distraction, and also might be exacerbated with movement of other limbs.