Relating introspective accuracy to individual differences in brain structure.
The ability to introspect about self-performance is key to human subjective experience, but the neuroanatomical basis of this ability is unknown. Such accurate introspection requires discriminating correct decisions from incorrect ones, a capacity that varies substantially across individuals. We dis...
Main Authors: | , , , , |
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格式: | Journal article |
语言: | English |
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2010
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_version_ | 1826264483565142016 |
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author | Fleming, S Weil, R Nagy, Z Dolan, R Rees, G |
author_facet | Fleming, S Weil, R Nagy, Z Dolan, R Rees, G |
author_sort | Fleming, S |
collection | OXFORD |
description | The ability to introspect about self-performance is key to human subjective experience, but the neuroanatomical basis of this ability is unknown. Such accurate introspection requires discriminating correct decisions from incorrect ones, a capacity that varies substantially across individuals. We dissociated variation in introspective ability from objective performance in a simple perceptual-decision task, allowing us to determine whether this interindividual variability was associated with a distinct neural basis. We show that introspective ability is correlated with gray matter volume in the anterior prefrontal cortex, a region that shows marked evolutionary development in humans. Moreover, interindividual variation in introspective ability is also correlated with white-matter microstructure connected with this area of the prefrontal cortex. Our findings point to a focal neuroanatomical substrate for introspective ability, a substrate distinct from that supporting primary perception. |
first_indexed | 2024-03-06T20:08:32Z |
format | Journal article |
id | oxford-uuid:29bd9bcf-c57e-4985-b87b-a5cd6082af92 |
institution | University of Oxford |
language | English |
last_indexed | 2024-03-06T20:08:32Z |
publishDate | 2010 |
record_format | dspace |
spelling | oxford-uuid:29bd9bcf-c57e-4985-b87b-a5cd6082af922022-03-26T12:20:57ZRelating introspective accuracy to individual differences in brain structure.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:29bd9bcf-c57e-4985-b87b-a5cd6082af92EnglishSymplectic Elements at Oxford2010Fleming, SWeil, RNagy, ZDolan, RRees, GThe ability to introspect about self-performance is key to human subjective experience, but the neuroanatomical basis of this ability is unknown. Such accurate introspection requires discriminating correct decisions from incorrect ones, a capacity that varies substantially across individuals. We dissociated variation in introspective ability from objective performance in a simple perceptual-decision task, allowing us to determine whether this interindividual variability was associated with a distinct neural basis. We show that introspective ability is correlated with gray matter volume in the anterior prefrontal cortex, a region that shows marked evolutionary development in humans. Moreover, interindividual variation in introspective ability is also correlated with white-matter microstructure connected with this area of the prefrontal cortex. Our findings point to a focal neuroanatomical substrate for introspective ability, a substrate distinct from that supporting primary perception. |
spellingShingle | Fleming, S Weil, R Nagy, Z Dolan, R Rees, G Relating introspective accuracy to individual differences in brain structure. |
title | Relating introspective accuracy to individual differences in brain structure. |
title_full | Relating introspective accuracy to individual differences in brain structure. |
title_fullStr | Relating introspective accuracy to individual differences in brain structure. |
title_full_unstemmed | Relating introspective accuracy to individual differences in brain structure. |
title_short | Relating introspective accuracy to individual differences in brain structure. |
title_sort | relating introspective accuracy to individual differences in brain structure |
work_keys_str_mv | AT flemings relatingintrospectiveaccuracytoindividualdifferencesinbrainstructure AT weilr relatingintrospectiveaccuracytoindividualdifferencesinbrainstructure AT nagyz relatingintrospectiveaccuracytoindividualdifferencesinbrainstructure AT dolanr relatingintrospectiveaccuracytoindividualdifferencesinbrainstructure AT reesg relatingintrospectiveaccuracytoindividualdifferencesinbrainstructure |