Role of the default mode network in cognitive transitions
| cam.issuedOnline | 2018-07-27 | |
| datacite.isderivedfrom.doi | 10.1101/295683 | |
| dc.contributor.author | Smith, VHL | |
| dc.contributor.author | Mitchell, Daniel | |
| dc.contributor.author | Duncan, John | |
| dc.contributor.orcid | Mitchell, Danny [0000-0001-8729-3886] | |
| dc.contributor.orcid | Duncan, John [0000-0002-9695-2764] | |
| dc.date.accessioned | 2018-12-18T11:46:19Z | |
| dc.date.available | 2018-12-18T11:46:19Z | |
| dc.date.issued | 2018-10-01 | |
| dc.description.abstract | A frequently repeated finding is that the default mode network (DMN) shows activa-tion decreases during externally-focused tasks. This finding has led to an emphasis in DMN research on internally-focused self-relevant thought processes. A recent study, in contrast, implicates the DMN in substantial externally-focused task switch-es. Using functional magnetic resonance imaging, we scanned 24 participants per-forming a task switch experiment. Whilst replicating previous DMN task switch ef-fects, we also found large DMN increases for brief rests as well as task restarts after rest. Our findings are difficult to explain using theories strictly linked to internal or self-directed cognition. In line with principal results from the literature, we suggest that the DMN encodes scene, episode or context, by integrating spatial, self-referential and temporal information. Context representations are strong at rest, but re-reference to context also occurs at major cognitive transitions. | |
| dc.identifier.doi | 10.17863/CAM.34446 | |
| dc.identifier.eissn | 1460-2199 | |
| dc.identifier.issn | 1460-2199 | |
| dc.identifier.uri | https://www.repository.cam.ac.uk/handle/1810/287139 | |
| dc.language | eng | |
| dc.language.iso | eng | |
| dc.publisher | OUP | |
| dc.publisher.url | https://academic.oup.com/cercor/article/28/10/3685/5060278 | |
| dc.rights | Attribution 4.0 International | |
| dc.rights | Attribution 4.0 International | |
| dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | |
| dc.subject | cognitive control | |
| dc.subject | fMRI | |
| dc.subject | task switching | |
| dc.title | Role of the default mode network in cognitive transitions | |
| dc.type | Article | |
| dcterms.dateAccepted | 2018-06-16 | |
| prism.endingPage | 3696 | |
| prism.issueIdentifier | 10 | |
| prism.publicationName | Cerebral Cortex | |
| prism.startingPage | 3685 | |
| prism.volume | 28 | |
| pubs.funder-project-id | MRC (1650197) | |
| pubs.funder-project-id | MRC (unknown) | |
| pubs.funder-project-id | Medical Research Council (MC_UU_00005/6) | |
| rioxxterms.licenseref.startdate | 2018-06-16 | |
| rioxxterms.licenseref.uri | http://creativecommons.org/licenses/by/4.0/ | |
| rioxxterms.type | Journal Article/Review | |
| rioxxterms.version | VoR | |
| rioxxterms.versionofrecord | 10.1093/cercor/bhy167 |
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