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Published Online: January 1945

A CONTRAST BETWEEN THE ELECTROENCEPHALOGRAMS OF 100 PSYCHONEUROTIC PATIENTS AND THOSE OF 500 NORMAL ADULTS

MARY A. B. BRAZIER, JACOB E. FINESINGER, and STANLEY COBBAuthors Info & Affiliations

Publication: American Journal of Psychiatry

Volume 101, Number 4

https://doi.org/10.1176/ajp.101.4.443

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Abstract

1. The EEG of the psychoneurotic patient shows no gross abnormalities of wave pattern and in general falls within the normal range.

2. Nevertheless, a study of the findings on a group of 100 psychoneurotic patients reveals that their electroencephalographic data lie only just within the range for normals and that the distribution of their data is statistically different from that of a group of 500 normal adults.

3. The statistically significant differences between the total psychoneurotic group and the normal group were in the following characteristics of the EEG.

(a) The distribution curve of dominant frequencies in the psychoneurotic group was not that of a normal population.

(b) The incidence of beta activity (18. o cycles and over) was higher in the psychoneurotic group than in the normals.

4. The clinical subgroup diagnosed as anxiety neurosis had a normal distribution curve for dominant frequencies but in a range faster than normal (mean 11.2 for anxiety neurosis as against 10.6 for normals).

5. A discussion is presented of the possible physiological mechanism which may be responsible for these findings.

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Information & Authors

Information

Published In

American Journal of Psychiatry

Volume 101 • Number 4 • January 1945

Pages: 443 - 448

History

Published in print: January 1945

Published online: 1 April 2006

Authors

Affiliations

MARY A. B. BRAZIER

The Department of Diseases of the Nervous System, Harvard Medical School, and the Psychiatric Department, Massachusetts General Hospital, Boston, Mass.

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JACOB E. FINESINGER

The Department of Diseases of the Nervous System, Harvard Medical School, and the Psychiatric Department, Massachusetts General Hospital, Boston, Mass.

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STANLEY COBB

The Department of Diseases of the Nervous System, Harvard Medical School, and the Psychiatric Department, Massachusetts General Hospital, Boston, Mass.

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A CONTRAST BETWEEN THE ELECTROENCEPHALOGRAMS OF 100 PSYCHONEUROTIC PATIENTS AND THOSE OF 500 NORMAL ADULTS

Abstract

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