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Progressive Supranuclear PalsyElectroencephalographic Studies
Philip C. Su, MD;
Eli S. Goldensohn, MD
Arch Neurol. 1973;29(3):183-186.
Abstract
Thirty-one electroencephalograms from 12 patients with progressive supranuclear palsy (PSP) were examined. Four patients had initially abnormal records. Five other patients had initially normal records, but all developed abnormalities during the follow-up period. Three of 12 patients had normal records; each of them had only one record taken. The results indicate that the course of PSP is usually associated with the appearance of abnormalities that worsen with the progression of the disease. These patients were compared with a matched group of 12 patients with advanced idiopathic Parkinson's disease. Abnormal background rhythms were found in eight of 12 patients with Parkinson's, whereas all 12 patients with PSP had normal background rhythms on initial examination. Monorhythmic frontal delta was present in a high percentage (42%) of patients with PSP.
Author Affiliations
New York
From the Department of Neurology, College of Physicians and Surgeons, Columbia University, and the Neurological Institute of Columbia-Presbyterian Medical Center, New York.
Footnotes
Accepted for publication May 7, 1973.
Read before the Eastern Association of Electroencephalographers, Laurentians, Quebec, Canada, March 1, 1973.
Reprint requests to New York Neurological Institute, 710 W 168th St, New York, NY 10032 (Dr. Su).
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