| Judgements of agency in schizophrenia: an impairment in autonoetic metacognition. | |
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MedLine Citation:
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PMID: 22492755 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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We investigated judgements of agency in participants with schizophrenia and healthy controls. Participants engaged in a computer game in which they attempted to touch downward falling Xs and avoid touching Os. On some trials, participants were objectively in perfect control. On other trials, they were objectively not in complete control because the movement of the cursor on the screen was distorted with respect to the position of the mouse by random noise (turbulence), or it was lagged by 250 or 500 ms. Participants made metacognitive judgements of agency as well as judgements of performance. Control participants' judgements of agency were affected by the turbulence and lag variables-indicating that they knew they were objectively not in control in those conditions, and they were also influenced by their assessments of performance. The patients also used their assessments of performance but neither turbulence nor lag affected their judgements of agency. This indicated an impairment in agency monitoring. The patients, unlike the healthy controls, used only publically available external cues about performance in making judgements of 'agency' and did not rely on any additional access to internal self-relevant cues that were diagnostic in indicating whether or not they were, in fact, in control. |
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Authors:
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Janet Metcalfe; Jared X Van Snellenberg; Pamela Derosse; Peter Balsam; Anil K Malhotra |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Philosophical transactions of the Royal Society of London. Series B, Biological sciences Volume: 367 ISSN: 1471-2970 ISO Abbreviation: Philos. Trans. R. Soc. Lond., B, Biol. Sci. Publication Date: 2012 May |
Date Detail:
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Created Date: 2012-04-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7503623 Medline TA: Philos Trans R Soc Lond B Biol Sci Country: England |
Other Details:
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Languages: eng Pagination: 1391-400 Citation Subset: IM |
Affiliation:
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Department of Psychology, Columbia University, , 1190 Amsterdam Avenue, New York, NY 10027, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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