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A Five- to Fifteen-Year Follow-up Study of Infantile Psychosis

Published online by Cambridge University Press:  29 January 2018

Linda Lockyer  and
Michael Rutter
Linda Lockyer
Affiliation:
Institute of Psychiatry. Now at the Hospital for Sick Children, Toronto, Canada
Michael Rutter
Affiliation:
Institute of Psychiatry and Maudsley Hospital, London, S.E.5
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Extract

Surprisingly little is known about the course of intellectual development in children with infantile psychosis. Kanner (1943; Kanner and Lesser, 1958) has stated explicitly in several papers that “even though most of these children are initially considered feeble-minded, they are all unquestionably endowed with good cognitive potentialities, which are masked by the basic disorder” (original italics—Kanner and Lesser, 1958). The expectation would seem to be that the child's IQ, should fluctuate with the course of the psychosis, particularly the autistic aspects, but this has not been tested. It has been suggested (Anthony, 1958) that an intelligence test result in a young child with infantile psychosis is most unreliable and virtually meaningless if the child is without speech. Perhaps because most investigators have shared this view, neither of the two major follow-up studies of children with infantile psychosis, that of Kanner's cases (Eisenberg, 1956; Eisenberg and Kanner, 1956; Kanner, 1943 and 1949; Kanner and Eisenberg, 1955; Kanner and Lesser, 1958) and that of psychotic children seen by Creak (1962, 1963a and b) has included information on IQ changes.

Type
Research Article
Information
The British Journal of Psychiatry , Volume 115 , Issue 525 , August 1969 , pp. 865 - 882
Copyright
Copyright © Royal College of Psychiatrists, 1969 

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