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Published Online: January 1941

PARADOXICAL VESTIBULAR REACTIONS IN SCHIZOPHRENIA UNDER THE INFLUENCE OF ALCOHOL, OF HYPERPNEA AND CO₂ INHALATION

A. ANGYAL and N. BLACKMANAuthors Info & Affiliations

Publication: American Journal of Psychiatry

Volume 97, Number 4

https://doi.org/10.1176/ajp.97.4.894

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Abstract

1. The nystagmic reaction to caloric stimulation under the influence of alcohol, increased CO₂ tension and decreased CO₂ tension has been studied in schizophrenic and normal persons.

2. Under these experimental conditions, the schizophrenic patients showed an apparently paradoxical reaction.

a. Under the influence of alcohol the normals showed an increase, the patients a decrease in the number and frequency of nystagmus.

b. CO₂ depresses the nystagmic reaction in normals. In 40 per cent of the patients, CO₂, causes an increased reaction; 45 per cent show no change and 15 per cent behave somewhat similarly to the normals.

c. Hyperpnea causes an increase in the normals and a decrease in the patients.

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Information & Authors

Information

Published In

American Journal of Psychiatry

Volume 97 • Number 4 • January 1941

Pages: 894 - 903

History

Published in print: January 1941

Published online: 1 April 2006

Authors

Affiliations

A. ANGYAL

The Research Service of the Worcester State Hospital, Worcester, Mass.

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N. BLACKMAN

The Research Service of the Worcester State Hospital, Worcester, Mass.

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PARADOXICAL VESTIBULAR REACTIONS IN SCHIZOPHRENIA UNDER THE INFLUENCE OF ALCOHOL, OF HYPERPNEA AND CO₂ INHALATION

Abstract

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