Hostname: page-component-7c8c6479df-7qhmt Total loading time: 0 Render date: 2024-03-26T17:10:34.150Z Has data issue: false hasContentIssue false

The Identification of Disease Entities and the Relationship between Schizophrenic and Affective Psychoses

Published online by Cambridge University Press:  29 January 2018

R. E. Kendell
Affiliation:
Edinburgh University Department of Psychiatry, Royal Edinburgh Hospital, Edinburgh EH10 5HF
I. F. Brockington
Affiliation:
Department of Psychiatry, University Hospital of South Manchester, Manchester M20 8LR

Summary

A method is described for identifying a genuine boundary between related syndromes, if one exists, by demonstrating a non-linear relationship between symptomatology and outcome. The technique was applied to the putative boundary between schizophrenic and affective psychoses, but a non-linear relationship could not be demonstrated.

Type
Research Article
Copyright
Copyright © Royal College of Psychiatrists, 1980 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Brockington, I. F., Kendell, R. E., Kellett, J. M., Curry, S. H. & Wainwright, S. (1978) Trials of lithium, chlorpromazine and amitriptyline in schizoaffective patients. British Journal of Psychiatry, 133, 162–8.CrossRefGoogle ScholarPubMed
Brockington, I. F., Kendell, R. E., & Leff, J. P. (1978) Definitions of schizophrenia: concordance and prediction of outcome. Psychological Medicine, 8, 387–98.CrossRefGoogle ScholarPubMed
Brockington, I. F., Kendell, R. E. & Wainwright, S. (1980) Depressed patients with schizophrenic or paranoid symptoms. Psychological Medicine (in press).CrossRefGoogle Scholar
Brockington, I. F., Kendell, R. E., Wainwright, S., Hillier, V. F. & Walker, J. (1979) The distinction between the affective psychoses and schizophrenia. British Journal of Psychiatry, 135, 243–6.CrossRefGoogle Scholar
Brockington, I. F., Wainwright, S. & Kendell, R. E. (1980) Manic patients with schizophrenic or paranoid symptoms. Psychological Medicine, 10, 7383.CrossRefGoogle ScholarPubMed
Carney, M. W. P., Roth, M. & Garside, R. F. (1965) The diagnosis of depressive syndromes and the prediction of ECT response. British Journal of Psychiatry, 111, 659–74.CrossRefGoogle Scholar
Cooper, J. E., Kendell, R. E., Gurland, B. J., Sharpe, L., Copeland, J. R. M. & Simon, R. (1972) Psychiatric Diagnosis in New York and London, Maudsley Monograph No. 20. London: Oxford University Press.Google Scholar
Fleiss, J. L. (1972) Classification of the depressive disorders by numerical typology. Journal of Psychiatric Research, 9, 141–53.CrossRefGoogle ScholarPubMed
Jaspers, K. (1959) Allgemeine Psychopathologie. Translation of 7th edn. by Hoenig, J. and Hamilton, M. W. (1962). Manchester: Manchester University Press.Google Scholar
Kendell, R. E. (1969) The continuum model of depressive illness. Proceedings of the Royal Society of Medicine, 62, 335–9.Google ScholarPubMed
Kendell, R. E. (1975) The Role of Diagnosis in Psychiatry, pp 60–9. Oxford: Blackwell Scientific Publications.Google Scholar
Kendell, R. E. & Gourlay, J. (1970a) The clinical distinction between psychotic and neurotic depression. British Journal of Psychiatry, 117, 257–60.Google Scholar
Kendell, R. E. & Gourlay, J. (1970b) The clinical distinction between the affective psychoses and schizophrenia. British Journal of Psychiatry, 117, 261–6.Google Scholar
Leonhard, K. (1957) Aufteilung der endogenen Psychosen. Berlin: Akademie Verlag.Google Scholar
Ní Bhrolcháin, M., Brown, G. W. & Harris, T. O. (1979) Psychotic and neurotic depression: 2. clinical characteristics. British Journal of Psychiatry, 134, 94107.CrossRefGoogle Scholar
Perris, C. (1974) A study of cycloid psychoses. Acta Psychiatrica Scandinavica, Suppl. 253.CrossRefGoogle Scholar
Post, F. (1972) The management and nature of depressive illnesses in late life: a follow-through study. British Journal of Psychiatry, 121, 393404.CrossRefGoogle ScholarPubMed
Submit a response

eLetters

No eLetters have been published for this article.