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Impaired conditional task performance in a high schizotypy population: Relation to cognitive deficits

Haddon, Josephine Elizabeth, George, David Noel, Grayson, Lois, McGowan, Christopher, Honey, Robert Colin and Killcross, Andrew Simon 2011. Impaired conditional task performance in a high schizotypy population: Relation to cognitive deficits. The Quarterly Journal of Experimental Psychology 64 (1) , pp. 1-9. 10.1080/17470218.2010.529579

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Abstract

Cognitive impairments in schizophrenia have been characterized as reflecting a core deficit in the maintenance or use of task-setting cues to mediate appropriate ongoing behaviour. This analysis suggests that cognitive deficits in schizophrenia will be particularly evident when different task-setting cues dictate when different responses are required by the same stimuli. One simple task in which task-setting cues are required is a biconditional discrimination. Here we examined the performance of participants with high and low schizotypy scores (Mason, Claridge, & Jackson, 1995) on a biconditional discrimination and an otherwise equivalent, control discrimination that did not require the use of task-setting cues. Participants scoring highly on the Introvertive Anhedonia subscale (which has been allied to the negative and cognitive symptoms of schizophrenia) performed poorly on the biconditional, but not on the control, discrimination. No other subscales demonstrated a significant influence on either biconditional or control performance.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Social Sciences (Includes Criminology and Education)
Psychology
Neuroscience and Mental Health Research Institute (NMHRI)
Medicine
MRC Centre for Neuropsychiatric Genetics and Genomics
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Uncontrolled Keywords: Context, Schizophrenia, Schizotypy, Cognitive impairment, Biconditional discrimination
Publisher: Taylor & Francis
ISSN: 1747-0218
Last Modified: 12 Sep 2017 02:43
URI: http://orca.cf.ac.uk/id/eprint/30659

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