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Chapter 2 - The multi-faceted, “global” cognitive impairment profile in schizophrenia

from Section 1 - Characteristics of cognitive impairment in schizophrenia

Published online by Cambridge University Press:  05 February 2013

By
Dwight Dickinson ,
Jonathan Schaefer  and
Daniel R. Weinberger
Edited by
Philip D. Harvey
Philip D. Harvey
Affiliation:
University of Miami
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Summary

The chapter begins with some elaboration about the nature of the generalized cognitive impairment in schizophrenia. A number of large meta-analyses have provided clarifying evidence about the breadth of this deficit. Heinrichs and Zakzanis published the first large-scale meta-analysis of cognitive deficit findings in schizophrenia. Articles for the meta-analysis were located through key word searches in PubMed for the period 2006 to 2011. Standard criteria were used to select studies/samples for review: the study must have contrasted cognitive performance in schizophrenia patients and healthy controls; the study must have based schizophrenia diagnoses on contemporary diagnostic criteria; results must have been reported with sufficient detail to allow calculation of effect sizes; finally, the study must have been reported in English. Neuropsychological battery studies make it possible to compare schizophrenia cognitive deficits in different global regions using the same or very similar cognitive tests.
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Cognitive Impairment in Schizophrenia
Characteristics, Assessment and Treatment
 , pp. 24 - 49
Publisher: Cambridge University Press
Print publication year: 2013

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