Author:
GOLDSTEIN GERALD,ALLEN DANIEL N.,SEATON BRENT E.
Abstract
A cluster analytic solution based upon a battery
of tests consisting of the Halstead Category and Tactual
Performance Tests, the Trail Making Test, and the Wisconsin
Card Sorting Test was compared with a solution based on
the subtests of the Wechsler intelligence scales, utilizing
a sample of 221 schizophrenic patients. Both analyses permitted
four-cluster solutions, and we found a weak but significant
degree of association between solutions. Examination of
external validity of the two solutions revealed stronger
associations with clinical variables for the Wechsler-scale-based
solution. The major conclusions were that the existence
of cognitive heterogeneity in schizophrenia exists across
a broad range of abilities, and appears to reflect a combination
of continuity of ability level and existence of possible
subtypes requiring further neuropsychological and neurobiological
verification. (JINS, 1998, 4, 353–362.)
Publisher
Cambridge University Press (CUP)
Subject
Psychiatry and Mental health,Neurology (clinical),Clinical Psychology,General Neuroscience
Cited by
61 articles.
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