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Metacognitive impairments extend perceptual decision making weaknesses in compulsivity

View ORCID ProfileTobias U. Hauser, View ORCID ProfileMicah Allen, NSPN Consortium, View ORCID ProfileGeraint Rees, View ORCID ProfileRaymond J. Dolan
doi: https://doi.org/10.1101/098277
Tobias U. Hauser
1Wellcome Trust Centre for Neuroimaging, University College London, London WC1N 3BG, United Kingdom
2Max Planck University College London Centre for Computational Psychiatry and Ageing Research, London WC1B 5EH, United Kingdom
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  • For correspondence: t.hauser@ucl.ac.uk
Micah Allen
1Wellcome Trust Centre for Neuroimaging, University College London, London WC1N 3BG, United Kingdom
3Institute of Cognitive Neuroscience, University College London, London
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4A complete list of the NSPN Consortium members can be found in the supplemental material
Geraint Rees
1Wellcome Trust Centre for Neuroimaging, University College London, London WC1N 3BG, United Kingdom
3Institute of Cognitive Neuroscience, University College London, London
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Raymond J. Dolan
1Wellcome Trust Centre for Neuroimaging, University College London, London WC1N 3BG, United Kingdom
2Max Planck University College London Centre for Computational Psychiatry and Ageing Research, London WC1B 5EH, United Kingdom
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Abstract

Awareness of one’s own abilities is of paramount importance in adaptive decision making. Psychotherapeutic theories assume such metacognitive insight is impaired in compulsivity, though this is supported by scant empirical evidence. In this study, we investigate metacognitive abilities in compulsive participants using computational models, where these enable a segregation between metacognitive and perceptual decision making impairments. We examined twenty low-compulsive and twenty high-compulsive participants, recruited from a large population-based sample, and matched for other psychiatric and cognitive dimensions. Hierarchical computational modelling of the participants’ metacognitive abilities on a visual global motion detection paradigm revealed that high-compulsive participants had a reduced metacognitive ability. This impairment was accompanied by a perceptual decision making deficit whereby motion-related evidence was accumulated more slowly in high compulsive participants. Our study shows that the compulsivity spectrum is associated with a reduced ability to monitor one’s own performance, over and above any perceptual decision making difficulty.

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Posted January 05, 2017.
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Metacognitive impairments extend perceptual decision making weaknesses in compulsivity
Tobias U. Hauser, Micah Allen, NSPN Consortium, Geraint Rees, Raymond J. Dolan
bioRxiv 098277; doi: https://doi.org/10.1101/098277
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Metacognitive impairments extend perceptual decision making weaknesses in compulsivity
Tobias U. Hauser, Micah Allen, NSPN Consortium, Geraint Rees, Raymond J. Dolan
bioRxiv 098277; doi: https://doi.org/10.1101/098277

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