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Published Online: February 1955

THE EEG CHANGES IN UNILATERAL AND BILATERAL FRONTAL LOBOTOMY

RICHARD D. WALTER, CHARLES L. YEAGER, LESTER H. MARGOLIS, and ALEXANDER SIMONAuthors Info & Affiliations

Publication: American Journal of Psychiatry

Volume 111, Number 8

https://doi.org/10.1176/ajp.111.8.590

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Abstract

1. In cases of unilateral and bilateral frontal lobotomy, temporal slow wave activity was found to be a prominent feature, though more transient than the dominant frontal slowing. This nonfrontal slowing may be interpreted as the result of cerebral edema and hippocampal herniation from operative manipulation.

2. There is an apparent correlation between the degree of slow activity in the post-operative EEG and clinical improvement, in that slight or severe degrees of slowing was found to be more conspicuous in those cases that exhibited little clinical improvement. In contrast, moderate slowing was associated with moderate to marked clinical improvement.

3. The frontal slow wave activity, though decreasing in prominence, persists in the majority of cases for at least 3 years and possibly longer.

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Information & Authors

Information

Published In

American Journal of Psychiatry

Volume 111 • Number 8 • February 1955

Pages: 590 - 594

PubMed: 13228714

History

Published in print: February 1955

Published online: 1 April 2006

Authors

Details

RICHARD D. WALTER

The University of California School of Medicine and the State of California Department of Mental Hygiene, the Langley Porter Clinic.

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CHARLES L. YEAGER

The University of California School of Medicine and the State of California Department of Mental Hygiene, the Langley Porter Clinic.

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LESTER H. MARGOLIS

The University of California School of Medicine and the State of California Department of Mental Hygiene, the Langley Porter Clinic.

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ALEXANDER SIMON

The University of California School of Medicine and the State of California Department of Mental Hygiene, the Langley Porter Clinic.

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THE EEG CHANGES IN UNILATERAL AND BILATERAL FRONTAL LOBOTOMY

Abstract

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