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Diencephalic Influence on Tremor MechanismsA Study of Parkinson Tremor During Stereotaxic Surgery
MARION F. JURKO, PhD;
O. J. ANDY, MD;
DONALD P. FOSHEE, PhD
Arch Neurol. 1963;9(4):358-362.
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Introduction
There have been many reports on the effects of ablation of subcortical areas on Parkinson tremor but little on the effects of stimulation alone. The present investigation was an attempt to observe the tremor of parkinsonism during stimulation in the diencephalon. To more adequately evaluate the effects of diencephalic stimulation, patients who had unilateral clinical tremor were selected for extensive tremor recordings during stereotaxic surgery. The tremograms were scanned for frequency characteristics, amplitude, wave form, and laterality of the tremor. Particular attention was given to effects on the side presenting no clinical evidence of tremor.
Method
Subjects.—This study was done on a group of 24 patients chosen because of displaying unilateral clinical tremor. However, all of the patients showed some degree of generalized Parkinson involvement such as diminished arm flinging, gait changes, slowness in generalized and specific movements, decrement in rapid opening and closing of the eyes and
. . . [Full Text PDF of this Article]
Author Affiliations
JACKSON, MISS
Footnotes
Submitted for publication April 29, 1963; accepted July 8, 1963.
Research Associate and Instructor (Dr. Jurko), Professor and Chief (Dr. Andy), Fellow (NIMH) and Assistant Professor (Dr. Foshee), Department of Neurosurgery, University of Mississippi Medical Center.
This investigation was supported in part by a Public Health Service fellowship, MF-11,364, National Institute of Mental Health (Dr. Foshee).
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