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  The role of the default mode network in component processes underlying the wandering mind

Poerio, G. L., Sormaz, M., Wang, H.-T., Margulies, D. S., Jefferies, E., & Smallwood, J. (2017). The role of the default mode network in component processes underlying the wandering mind. Social Cognitive and Affective Neuroscience, 12(7), 1047-1062. doi:10.1093/scan/nsx041.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0002-B4B2-9 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0003-BD5F-F
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 Urheber:
Poerio, Giulia L. 1, 2, Autor
Sormaz, Mladen1, Autor
Wang, Hao-Ting 1, Autor
Margulies, Daniel S.3, Autor           
Jefferies, Elizabeth 1, Autor
Smallwood, Jonathan1, Autor           
Affiliations:
1Department of Psychology, York Neuroimaging Centre, University of York, United Kingdom, ou_persistent22              
2Department of Psychology, University of Sheffield, United Kingdom, ou_persistent22              
3Max Planck Research Group Neuroanatomy and Connectivity, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_1356546              

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Schlagwörter: component process account; default mode network; mind-wandering; perceptual decoupling; resting state functional connectivity
 Zusammenfassung: Experiences such as mind-wandering illustrate that cognition is not always tethered to events in the here-and-now. Although converging evidence emphasises the default mode network (DMN) in mind-wandering, its precise contribution remains unclear. The DMN comprises cortical regions that are maximally distant from primary sensory and motor cortex, a topological location that may support the stimulus-independence of mind-wandering. The DMN is functionally heterogeneous, comprising regions engaged by memory, social cognition and planning; processes relevant to mind-wandering content. Our study examined the relationships between: (i) individual differences in resting-state DMN connectivity, (ii) performance on memory, social and planning tasks and (iii) variability in spontaneous thought, to investigate whether the DMN is critical to mind-wandering because it supports stimulus-independent cognition, memory retrieval, or both. Individual variation in task performance modulated the functional organization of the DMN: poor external engagement was linked to stronger coupling between medial and dorsal subsystems, while decoupling of the core from the cerebellum predicted reports of detailed memory retrieval. Both patterns predicted off-task future thoughts. Consistent with predictions from component process accounts of mind-wandering, our study suggests a 2-fold involvement of the DMN: (i) it supports experiences that are unrelated to the environment through strong coupling between its sub-systems; (ii) it allows memory representations to form the basis of conscious experience.

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Sprache(n): eng - English
 Datum: 2017-03-132017-01-242017-03-152017-03-172017-07-01
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1093/scan/nsx041
PMID: 28402561
PMC: PMC5490683
 Art des Abschluß: -

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Projektname : -
Grant ID : BB/J006963/1
Förderprogramm : -
Förderorganisation : Biotechnology and Biological Sciences Research Council (BBSRC)
Projektname : Wedding bells or bedding wells? Lexical and semantic influences on phoneme binding / SEMBIND
Grant ID : 283530
Förderprogramm : Funding Programme 7
Förderorganisation : European Commission (EC)
Projektname : Not all minds that wander are lost: A neurocognitive test of mind-wandering state’s contribution to human cognition / WANDERINGMINDS
Grant ID : 646927
Förderprogramm : Funding Programme 7
Förderorganisation : European Commission (EC)
Projektname : Wandering Minds: Interdisciplinary Experiments on Self-Generated Thought
Grant ID : 89440 ; 89439
Förderprogramm : -
Förderorganisation : Volkswagen Foundation
Projektname : Prospective Psychology Stage 2: A Research Competition
Grant ID : -
Förderprogramm : -
Förderorganisation : John Templeton Foundation

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Titel: Social Cognitive and Affective Neuroscience
  Andere : SCAN
  Kurztitel : Soc Cogn Affect Neurosci
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Oxford : Oxford University Press
Seiten: - Band / Heft: 12 (7) Artikelnummer: - Start- / Endseite: 1047 - 1062 Identifikator: ISSN: 1749-5016
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000223760