Studies in childhood psychoses: Diagnostic criteria and classification

I. Kolvin

British Journal of Psychiatry 1971; 118:381-384

With thanks to the Royal College of Psychiatrists for their support for this project. This article has been reproduced from the British Journal of Psychiatry, with the original available here:

Cite as: 

I. Kolvin, "Studies in childhood pyschoses: Diagnostic criteria and classification", British Journal of Psychiatry, Volume 118, pp. 381-384, (Royal College of Psychiatrists, 1971).


Until the last decade there was considerable confusion about the nosology of childhood psychoses. As Kanner (1958) has pointed out, certain psychodynamically orientated writers (Szurek, 1956; Beres, 1956) have eschewed the important operation of differential diagnosis. This has led to the notion of 'equality schizophrenias' (Darr and Worden, 1951) and thus to the idea of a single psychosis of childhood.

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