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August 1947

THE ELECTROENCEPHALOGRAM IN ENCEPHALITIS

Author Affiliations

CHICAGO

From the Department of Psychiatry, University of Illinois College of Medicine.

Arch NeurPsych. 1947;58(2):184-192. doi:10.1001/archneurpsyc.1947.02300310064004
Abstract

CURIOUSLY little has been written about the electroencephalographic changes found in association with encephalitis. A report of 1 case was published by Lindsley and Cutts,1 and the "Atlas of Electroencephalography"2 contains figures and several references to this subject. A more extensive report was published by Ross,3 but it was based on only 4 cases. Since encephalitis is a clinical condition of major importance, and since some of the most definite abnormalities that are seen in electroencephalography are encountered in patients with this condition, it seems appropriate to report on a larger number of cases.

MATERIAL AND METHOD  This investigation is based on 240 cases of a disorder clinically diagnosed as encephalitis, studied in different phases of the disease. Ideally it would be desirable to base such a survey on longitudinal data and on electroencephalograms prior to infection; but, for obvious reasons, this is exceedingly difficult if not

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