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March 1941

DIFFERENTIAL DIAGNOSIS OF HYSTERICAL TREMOR

Author Affiliations

NEW YORK

From the Department of Psychiatry, New York University College of Medicine, and the Psychiatric Division of Bellevue Hospital.

Arch NeurPsych. 1941;45(3):517-519. doi:10.1001/archneurpsyc.1941.02280150125009
Abstract

Hysterical tremor is a phenomenon which occurs rather often. It is a symptom which is sometimes difficult to differentiate from organic forms of tremor. The tremor may have the frequency and amplitude of rapid vibration, but sometimes there are only 5 or 7 movements to the second. Some forms of this tremor increase during active movement. In other forms the similarity of the tremor to the tremor in paralysis agitans is great. In some neuroses, especially of the traumatic type, the tremor has been found to become progressively greater in amplitude and finally to change into a myoclonus of great irregularity.

This description follows closely that of Oppenheim.1 The descriptions in other textbooks are similar. I might add that it is characteristic of the tremor in hysteria that it is dependent on the situation to a high degree, is changing and is invariably connected with muscular tension, since it

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