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Topological changes of brain network during mindfulness meditation: an exploratory source level magnetoencephalographic study

Anna Lardone, Marianna Liparoti, Pierpaolo Sorrentino, Roberta Minino, Arianna Polverino, Emahnuel Troisi Lopez, S. Bonavita, F. Lucidi, Giuseppe Sorrentino, Laura Mandolesi

AIMS Neuroscience May 7, 2022 DOI: 10.3934/neuroscience.2022013 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Cross-sectional study Peer reviewed
Sample size 55
Population Experienced meditators and individuals with no meditation experience
Intervention Mindfulness Meditation
Topics Meditation
Key findings Experienced meditators showed increased betweenness centrality in multiple brainwave bands and brain regions during meditation compared to non-meditators.

Abstract

We have previously evidenced that Mindfulness Meditation (MM) in experienced meditators (EMs) is associated with long-lasting topological changes in resting state condition. However, what occurs during the meditative phase is still debated. Utilizing magnetoencephalography (MEG), the present study is aimed at comparing the topological features of the brain network in a group of EMs (n = 26) during the meditative phase with those of individuals who had no previous experience of any type of meditation (NM group, n = 29). A wide range of topological changes in the EM group as compared to the NM group has been shown. Specifically, in EMs, we have observed increased betweenness centrality in delta, alpha, and beta bands in both cortical (left medial orbital cortex, left postcentral area, and right visual primary cortex) and subcortical (left caudate nucleus and thalamus) areas. Furthermore, the degree of beta band in parietal and occipital areas of EMs was increased too. Our exploratory study suggests that the MM can change the functional brain network and provides an explanatory hypothesis on the brain circuits characterizing the meditative process.

Comparable studies

Other cross-sectional and survey studies on meditation, most cited first.

Study Year Design Participants
Construct Validity of the Five Facet Mindfulness Questionnaire in Meditating and Nonmeditating Samples Experienced meditators and nonmeditating comparison groups 2008 Cross-sectional study
Neural Correlates of Dispositional Mindfulness During Affect Labeling Adult participants 2007 Observational cross-sectional n = 27
Assessing mindfulness in children and adolescents: Development and validation of the Child and Adolescent Mindfulness Measure (CAMM). School-aged children and adolescents 2011 Cross-sectional validation study n = 1,413
Mindfulness and self-compassion as predictors of psychological wellbeing in long-term meditators and matched nonmeditators Experienced meditators and demographically matched nonmeditators 2012 Cross-sectional study n = 152
Mechanisms of Action in the Inverse Relationship Between Mindfulness and Psychological Distress Undergraduates 2008 Cross-sectional, correlational

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