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  Impact of meditation training on the default mode network during a restful state

Taylor, V. A., Daneault, V., Grant, J. A., Scavone, G., Breton, E., Roffe-Vidal, S., et al. (2013). Impact of meditation training on the default mode network during a restful state. Social Cognitive and Affective Neuroscience, 8(1), 4-14. doi:10.1093/scan/nsr087.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-8911-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-B000-5
Genre: Journal Article

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 Creators:
Taylor, Véronique A.1, Author
Daneault, Véronique1, Author
Grant, Joshua A.1, 2, Author              
Scavone, Geneviève1, Author
Breton, Estelle1, Author
Roffe-Vidal, Sébastien1, Author
Courtemanche, Jérôme1, Author
Lavarenne, Anaïs S.1, Author
Marrelec, Guillaume3, 4, 5, Author
Benali, Habib3, 4, 5, Author
Beauregard, Mario1, 2, 6, 7, Author
Affiliations:
1Centre de Recherche en Neuropsychologie et Cognition (CERNEC), University of Montréal, QC, Canada, ou_persistent22              
2Département de Physiologie, Centre de Recherche en Sciences Neurologiques (GRSNC), University of Montréal, QC, Canada, ou_persistent22              
3Institut national de la santé et de la recherche médicale, Paris, France, ou_persistent22              
4Université Pierre et Marie Curie-Paris, France, ou_persistent22              
5University of Montréal, QC, Canada, ou_persistent22              
6Department of Radiology, University of Montréal, QC, Canada, ou_persistent22              
7Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), QC, Canada, ou_persistent22              

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Free keywords: Mindfulness meditation; Functional connectivity; Default mode network; Prefrontal cortex; Resting state
 Abstract: Mindfulness meditation has been shown to promote emotional stability. Moreover, during the processing of aversive and self-referential stimuli, mindful awareness is associated with reduced medial prefrontal cortex (MPFC) activity, a central default mode network (DMN) component. However, it remains unclear whether mindfulness practice influences functional connectivity between DMN regions and, if so, whether such impact persists beyond a state of meditation. Consequently, this study examined the effect of extensive mindfulness training on functional connectivity within the DMN during a restful state. Resting-state data were collected from 13 experienced meditators (with over 1000 h of training) and 11 beginner meditators (with no prior experience, trained for 1 week before the study) using functional magnetic resonance imaging (fMRI). Pairwise correlations and partial correlations were computed between DMN seed regions’ time courses and were compared between groups utilizing a Bayesian sampling scheme. Relative to beginners, experienced meditators had weaker functional connectivity between DMN regions involved in self-referential processing and emotional appraisal. In addition, experienced meditators had increased connectivity between certain DMN regions (e.g. dorso-medial PFC and right inferior parietal lobule), compared to beginner meditators. These findings suggest that meditation training leads to functional connectivity changes between core DMN regions possibly reflecting strengthened present-moment awareness.

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Language(s): eng - English
 Dates: 2011-06-152011-11-132012-03-242013-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1093/scan/nsr087
PMID: 22446298
PMC: PMC3541485
Other: Epub 2012
 Degree: -

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Title: Social Cognitive and Affective Neuroscience
  Other : SCAN
  Abbreviation : Soc Cogn Affect Neurosci
Source Genre: Journal
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Publ. Info: Oxford : Oxford University Press
Pages: - Volume / Issue: 8 (1) Sequence Number: - Start / End Page: 4 - 14 Identifier: ISSN: 1749-5016
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000223760