
Published online:
24 September 2013
Published in print:
22 May 2003
Online ISBN:
9780191775529
Print ISBN:
9780192802217
Contents
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The dementia in dementia praecox The dementia in dementia praecox
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Schizophrenia and intelligence Schizophrenia and intelligence
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Does intelligence decline in schizophrenia? Does intelligence decline in schizophrenia?
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Is treatment the cause of poor performance on IQ tests? Is treatment the cause of poor performance on IQ tests?
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Is there a characteristic pattern of intellectual impairment? Is there a characteristic pattern of intellectual impairment?
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The nature of the cognitive impairment associated with schizophrenia The nature of the cognitive impairment associated with schizophrenia
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Is schizophrenia a frontal lobe disorder? Is schizophrenia a frontal lobe disorder?
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Test performance and motivation Test performance and motivation
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Is the cognitive impairment the same in every patient? Is the cognitive impairment the same in every patient?
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Is cognitive impairment related to mental state? Is cognitive impairment related to mental state?
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Genius and madness Genius and madness
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Chapter
3 (page 47)p. 47Intellectual functioning in schizophrenia
Get access-
Published:May 2003
Cite
Frith, Christopher, and Eve Johnstone, 'Intellectual functioning in schizophrenia', Schizophrenia: A Very Short Introduction, Very Short Introductions (Oxford , 2003; online edn, Oxford Academic, 24 Sept. 2013), https://doi.org/10.1093/actrade/9780192802217.003.0003, accessed 17 May 2025.
Abstract
‘Intellectual functioning in schizophrenia’ discusses the fact that people with a diagnosis of schizophrenia perform less well on IQ tests than they did prior to the onset of their illness. Studies have shown that these intellectual impairments cannot be blamed on drug treatment or on institutionalization and that the cognitive areas in which patients with schizophrenia show the greatest impairment are memory, attention, and executive function. Given these observations, it is likely that the poor test performance seen in so many patients with schizophrenia is a true reflection of their abilities.
Series
Very Short Introductions
Collection:
Very Short Introductions
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