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Negative schizotypy is associated with impaired episodic but not semantic coding in a conditional learning task

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Author
Watt, Andrew
Skillicorn, Deiniol
Date
2019-06-11
Acceptance date
2019-05-24
Type
Article
Publisher
Taylor and Francis
ISSN
2044-592X
Metadata
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Abstract
Context processing deficits associated with negative schizotypy may reflect variation in semantic or episodic declarative coding. Healthy volunteers (n = 166) were grouped on the basis of their introvertive anhedonia and unusual experiences scores on the Oxford and Liverpool Inventory of Feelings and Experiences (OLIFE). Discrimination learning was measured using a commodity-trading task that required participants to predict profit (+) and loss (−) outcomes. Two forms of a biconditional discrimination (AX+, BY+, AY−, BX−) were employed. With fixed locations (n = 84) A & B were presented on the left, X & Y were on the right, with variable locations (n = 82) A, B, X, & Y occurred randomly in left and right locations. Negative schizotypy reflected the expression of a cognitive phenotype that impaired episodic (configural) representation formation. People with many negative schizotypal traits will struggle to learn when their choices are guided by multiple stimuli in inconsistent locations.
Journal/conference proceeding
Journal of Cognitive Psychology;
Citation
Watt, A. and Skillicorn, D. (2019) 'Negative schizotypy is associated with impaired episodic but not semantic coding in a conditional learning task', Journal of Cognitive Psychology, 31(4), pp.1-12. DOI: 10.1080/20445911.2019.1629446.
URI
http://hdl.handle.net/10369/10617
DOI
https://doi.org/10.1080/20445911.2019.1629446
Description
Article published in Journal of Cognitive Psychology on 11 June 2019, available at: https://doi.org/10.1080/20445911.2019.1629446.
Rights
http://www.rioxx.net/licenses/all-rights-reserved
Sponsorship
Cardiff Metropolitan University (Grant ID: Cardiff Metropolian (Internal))
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  • Health and Risk Management [392]

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