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  Representing representation: Integration between the temporal lobe and the posterior cingulate influences the content and form of spontaneous thought

Smallwood, J., Karapanagiotidis, T., Ruby, F. J. M., Medea, B., de Caso, I., Konishi, M., et al. (2016). Representing representation: Integration between the temporal lobe and the posterior cingulate influences the content and form of spontaneous thought. PLoS One, 11(4): e0152272. doi:10.1371/journal.pone.0152272.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-1C6C-E Version Permalink: http://hdl.handle.net/21.11116/0000-0003-1EFB-2
Genre: Journal Article

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 Creators:
Smallwood, Jonathan1, Author              
Karapanagiotidis, Theodoros1, Author
Ruby, Florence J. M.1, Author              
Medea, Barbara1, 2, Author
de Caso, Irene1, Author
Konishi, Mahiko1, Author
Wang, Hao-Ting1, Author
Hallam, Glyn1, Author
Margulies, Daniel S.3, Author              
Jefferies, Elizabeth1, Author
Affiliations:
1York Neuroimaging Centre, University of York, United Kingdom, ou_persistent22              
2Department of Psychology, Sapienza University of Rome, Italy, 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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 Abstract: When not engaged in the moment, we often spontaneously represent people, places and events that are not present in the environment. Although this capacity has been linked to the default mode network (DMN), it remains unclear how interactions between the nodes of this network give rise to particular mental experiences during spontaneous thought. One hypothesis is that the core of the DMN integrates information from medial and lateral temporal lobe memory systems, which represent different aspects of knowledge. Individual differences in the connectivity between temporal lobe regions and the default mode network core would then predict differences in the content and form of people’s spontaneous thoughts. This study tested this hypothesis by examining the relationship between seed-based functional connectivity and the contents of spontaneous thought recorded in a laboratory study several days later. Variations in connectivity from both medial and lateral temporal lobe regions was associated with different patterns of spontaneous thought and these effects converged on an overlapping region in the posterior cingulate cortex. We propose that the posterior core of the DMN acts as a representational hub that integrates information represented in medial and lateral temporal lobe and this process is important in determining the content and form of spontaneous thought.

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Language(s): eng - English
 Dates: 2016-01-282016-03-132016-04-05
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1371/journal.pone.0152272
PMID: 27045292
PMC: PMC4821638
Other: eCollection 2016
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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: 11 (4) Sequence Number: e0152272 Start / End Page: - Identifier: ISSN: 1932-6203
CoNE: /journals/resource/1000000000277850