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  Shaped by the past: The default mode network supports cognition that is independent of immediate perceptual input.

Konishi, M., McLaren, D. G., Engen, H. G., & Smallwood, J. (2015). Shaped by the past: The default mode network supports cognition that is independent of immediate perceptual input. PLoS One, 10(6): e0132209. doi:10.1371/journal.pone.0132209.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-8EDD-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-7975-2
Genre: Journal Article

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Konishi, Mahiko1, 2, Author
McLaren, Donald G.3, Author
Engen, Haakon G.4, Author              
Smallwood, Jonathan1, 2, Author              
Affiliations:
1Department of Psychology, University of York, Heslington, United Kingdom, ou_persistent22              
2York Neuroimaging Centre, University of York, United Kingdom, ou_persistent22              
3Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA, ou_persistent22              
4Department Social Neuroscience, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634552              

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 Abstract: Although many different accounts of the functions of the default mode network (DMN) have been proposed, few can adequately account for the spectrum of different cognitive functions that utilize this network. The current study used functional magnetic resonance imaging (fMRI) to explore the hypothesis that the role of the DMN in higher order cognition is to allow cognition to be shaped by information from stored representations rather than information in the immediate environment. Using a novel task paradigm, we observed increased BOLD activity in regions of the medial prefrontal cortex and posterior cingulate cortex when individuals made decisions on the location of shapes from the prior trial and decreased BOLD activity when individuals made decisions on the location of shapes on the current trial. These data are inconsistent with views of the DMN as a task-negative system or one that is sensitive only to stimuli with strong personal or emotional ties. Instead the involvement of the DMN when people make decisions about where a shape was, rather than where it is now, supports the hypothesis that the core hubs of the DMN allow cognition to be guided by information other than the immediate perceptual input. We propose that a variety of different forms of higher order thought (such as imagining the future or considering the perspective of another person) engage the DMN because these more complex introspective forms of higher order thought all depend on the capacity for cognition to be shaped by representations that are not present in the external environment.

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Language(s): eng - English
 Dates: 2015-01-122015-06-122015-06-30
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1371/journal.pone.0132209
PMID: 26125559
PMC: PMC4488375
Other: eCollection 2015
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Title: PLoS One
Source Genre: Journal
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Publ. Info: San Francisco, CA : Public Library of Science
Pages: - Volume / Issue: 10 (6) Sequence Number: e0132209 Start / End Page: - Identifier: ISSN: 1932-6203
CoNE: /journals/resource/1000000000277850