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Article: Multivoxel neurofeedback selectively modulates confidence without changing perceptual performance

TitleMultivoxel neurofeedback selectively modulates confidence without changing perceptual performance
Authors
Issue Date2016
Citation
Nature Communications, 2016, v. 7 How to Cite?
Abstract© 2016 The Author(s). A central controversy in metacognition studies concerns whether subjective confidence directly reflects the reliability of perceptual or cognitive processes, as suggested by normative models based on the assumption that neural computations are generally optimal. This view enjoys popularity in the computational and animal literatures, but it has also been suggested that confidence may depend on a late-stage estimation dissociable from perceptual processes. Yet, at least in humans, experimental tools have lacked the power to resolve these issues convincingly. Here, we overcome this difficulty by using the recently developed method of decoded neurofeedback (DecNef) to systematically manipulate multivoxel correlates of confidence in a frontoparietal network. Here we report that bi-directional changes in confidence do not affect perceptual accuracy. Further psychophysical analyses rule out accounts based on simple shifts in reporting strategy. Our results provide clear neuroscientific evidence for the systematic dissociation between confidence and perceptual performance, and thereby challenge current theoretical thinking.
Persistent Identifierhttp://hdl.handle.net/10722/242683
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorCortese, Aurelio-
dc.contributor.authorAmano, Kaoru-
dc.contributor.authorKoizumi, Ai-
dc.contributor.authorKawato, Mitsuo-
dc.contributor.authorLau, Hakwan-
dc.date.accessioned2017-08-10T10:51:19Z-
dc.date.available2017-08-10T10:51:19Z-
dc.date.issued2016-
dc.identifier.citationNature Communications, 2016, v. 7-
dc.identifier.urihttp://hdl.handle.net/10722/242683-
dc.description.abstract© 2016 The Author(s). A central controversy in metacognition studies concerns whether subjective confidence directly reflects the reliability of perceptual or cognitive processes, as suggested by normative models based on the assumption that neural computations are generally optimal. This view enjoys popularity in the computational and animal literatures, but it has also been suggested that confidence may depend on a late-stage estimation dissociable from perceptual processes. Yet, at least in humans, experimental tools have lacked the power to resolve these issues convincingly. Here, we overcome this difficulty by using the recently developed method of decoded neurofeedback (DecNef) to systematically manipulate multivoxel correlates of confidence in a frontoparietal network. Here we report that bi-directional changes in confidence do not affect perceptual accuracy. Further psychophysical analyses rule out accounts based on simple shifts in reporting strategy. Our results provide clear neuroscientific evidence for the systematic dissociation between confidence and perceptual performance, and thereby challenge current theoretical thinking.-
dc.languageeng-
dc.relation.ispartofNature Communications-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleMultivoxel neurofeedback selectively modulates confidence without changing perceptual performance-
dc.typeArticle-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1038/ncomms13669-
dc.identifier.scopuseid_2-s2.0-85006293398-
dc.identifier.volume7-
dc.identifier.spagenull-
dc.identifier.epagenull-
dc.identifier.eissn2041-1723-
dc.identifier.isiWOS:000390283200001-
dc.identifier.issnl2041-1723-

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