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April 1939

TREMOR: PHYSIOLOGIC MECHANISM AND ABOLITION BY SURGICAL MEANS

Author Affiliations

CHICAGO

From the Divisions of Neurology and Neurosurgery and of Psychiatry, the University of Chicago and the Otho S. A. Sprague Memorial Institute.

Arch NeurPsych. 1939;41(4):721-746. doi:10.1001/archneurpsyc.1939.02270160077007
Abstract

Intention tremor resulting from cerebellar lesions can be abolished in subhuman primates by the removal of the precentral cortex (areas 4 and 6 of Brodmann). The demonstration of this fact by Aring and Fulton1 led to the attempt to relieve a similar incapacitating tremor present in a man. The much older observation that the tremor at rest in patients with parkinsonism is abolished, at least for the duration of the paralysis, by a temporary hemiplegia gave rise to the hope that the tremor at rest also present in this patient would be abolished by a precentral extirpation. In the case reported here both the tremor at rest and that appearing on voluntary movement, which developed after severe cerebral trauma, were abolished by removal of the precentral "arm" area.

REPORT OF A CASE  G. W. S., a man aged 33, who was referred by Dr. Orthello R. Langworthy and Dr.

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