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Overinclusive Thought Disorder in Chronic Schizophrenics and its Response to ‘Proketazine’

Published online by Cambridge University Press:  29 January 2018

R. W. Payne ,
D. Friedlander ,
S. G. Laverty  and
P. Haden
R. W. Payne
Affiliation:
Department of Psychiatry, Queen's University, Kingston, Ontario
D. Friedlander
Affiliation:
Department of Psychiatry, Queen's University, Kingston, Ontario
S. G. Laverty
Affiliation:
Department of Psychiatry, Queen's University, Kingston, Ontario
P. Haden
Affiliation:
Department of Psychiatry, Queen's University, Kingston, Ontario
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Extract

Studies using objective tests have found that two relatively independent types of thought disorder occur in patients diagnosed as “schizophrenic”. In several studies (Payne, 1961) approximately half the acute schizophrenic patients showed an extreme degree of intellectual and motor retardation, more severe than that found even among retarded depressed patients, while half suffered from overinclusive thinking, as measured by the tests used. There was a significant tendency in one study (Payne and Hewlett, 1960) for these two types of thought disorder not to occur in the same acute schizophrenic patients.

Type
Research Article
Information
The British Journal of Psychiatry , Volume 109 , Issue 461 , July 1963 , pp. 523 - 530
Copyright
Copyright © Royal College of Psychiatrists, 1963

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Footnotes

∗

This study complements a series of studies carried out with the assistance of Canadian Dominion-Provincial Mental Health Grant No. 605-5-286.

‘Proketazine’ is made by John Wyeth and Brother (Canada) Ltd., who kindly assisted with this study, supplying generous amounts of the compounds used.

References

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