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Cycloid psychosis: an investigation of the diagnostic concept

Published online by Cambridge University Press:  09 July 2009

J. C. Cutting ,
A. W. Clare  and
A. H. Mann
J. C. Cutting*
Affiliation:
Institute of Psychiatry, London
A. W. Clare
Affiliation:
Institute of Psychiatry, London
A. H. Mann
Affiliation:
Institute of Psychiatry, London
*
1Address for correspondence: Dr J. C. Cutting, Institute of Psychiatry, De Crespigny Park, Denmark Hill, London SE5 8AF.
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Synopsis

Seventy-three patients with the features of ‘cycloid psychosis’, adopted from Perris and Leonhard, were identified from case records. Information concerning background, presenting illness and follow-up was compared with that from the case-records of patients with schizophrenic, affective and schizoaffective psychoses. The characteristic features of ‘cycloid psychosis’ were a female predominance and a remittent course. The ‘cycloid’ group resembled the conventional groups in some respects, but differences from schizophrenic, affective and, to a lesser extent, schizoaffective groups were also striking. The factors which might account for the apparent independence of the ‘cycloid’ group from other diagnostic categories are discussed.

Information

Type
Research Article
Information
Psychological Medicine , Volume 8 , Issue 4 , November 1978 , pp. 637 - 648
Copyright
Copyright © Cambridge University Press 1978

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