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Trait lasting alteration of the brain default mode network in experienced meditators and the experiential selfhood

A. Fingelkurts, Tarja Kallio-Tamminen

February 12, 2016 DOI: 10.1080/15298868.2015.1136351 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Cross-sectional comparison
Sample size 15
Population Experienced meditators and naïve participants about to start meditation training
Measures electroencephalogram operational synchrony
Topics Default mode network
Key findings Experienced meditators, compared to novices, show increased frontal DMN module synchrony and decreased left and right posterior DMN module synchrony, consistent with changes observed in novices after four months of meditation training. The authors propose that these DMN subnet changes relate to components of experiential selfhood.

Abstract

Based on the finding in novices that four months of meditation training significantly increases frontal default mode network (DMN) module/subnet synchrony while decreasing left and right posterior DMN modules synchrony, the current study tested the prediction whether experienced meditators (those who are practising meditation intensively for several years) had a change in the DMN “trinity” of modules as a baseline trait characteristic and whether this change is in a similar direction as in the novice trainees who practised meditation for only four months. Comparison of functional connectivity within DMN subnets (measured by electroencephalogram operational synchrony in the three separate DMN modules) between five experienced meditators and 10 naïve participants (who were about to start the meditation training) fully support the prediction. Interpretation that links such DMN subnets changes to the three-dimensional components of the experiential selfhood was proposed.

Comparable studies

Other cross-sectional and survey studies on default mode network, most cited first.

Study Year Design Participants
Impact of meditation training on the default mode network during a restful state 13 experienced meditators (over 1000 h of training) and 11 beginner meditators (no... 2012 Cross-sectional study n = 24
BOLD signal and functional connectivity associated with loving kindness meditation Experienced meditators and novices 2014 Cross-sectional functional magnetic resonance imaging study
Greater Anteroposterior Default Mode Network Functional Connectivity in Long-Term Elderly Yoga Practitioners Elderly women (Hatha Yoga practitioners and yoga-naïve controls) 2019 Cross-sectional investigation n = 40
Vascular risk factor burden correlates with cerebrovascular reactivity but not resting state coactivation in the default mode network Older adults with suspected white matter hyperintensities 2015 Cross-sectional study n = 29
Associations between regular cannabis use and brain resting-state functional connectivity in adolescents and adults Adolescents and adults 2023 Cross-sectional study n = 70

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