SCHIZOPHRENIC REACTION TIME RESPONSES TO VARIABLE PREPARATORY INTERVALS

CHARLES A. KNEHRAuthors Info & Affiliations

Publication: American Journal of Psychiatry

Volume 110, Number 8

https://doi.org/10.1176/ajp.110.8.585

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Abstract

1. No difference was observed in speed of reaction when a group of patients with schizophrenic illnesses was compared to a control group.

2. Previously reported differential responsiveness of patients and controls to variation in length of preparatory interval and regularity of stimulus presentation was not observed. The usefulness of such a technique for differentiating schizophrenics from normals is questioned.

3. Variability of speed of reaction tends to be significantly greater in the patient group. This result is consistent with previous findings. It is suggested that this represents an increase in the amplitude of fluctuations in readiness which are oscillatory in character.

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Information & Authors

Information

Published In

American Journal of Psychiatry

Volume 110 • Number 8 • February 1954

Pages: 585 - 588

PubMed: 13114460

History

Published in print: February 1954

Published online: 1 April 2006

Authors

Details

CHARLES A. KNEHR

The New York Hospital and the Department of Psychiatry, Cornell University Medical College, New York, and Hunter College of the City of New York.

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SCHIZOPHRENIC REACTION TIME RESPONSES TO VARIABLE PREPARATORY INTERVALS

Abstract

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