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Absence of structural brain changes from mindfulness-based stress reduction: Two combined randomized controlled trials.


ABSTRACT: Studies purporting to show changes in brain structure following the popular, 8-week mindfulness-based stress reduction (MBSR) course are widely referenced despite major methodological limitations. Here, we present findings from a large, combined dataset of two, three-arm randomized controlled trials with active and waitlist (WL) control groups. Meditation-naïve participants (n = 218) completed structural magnetic resonance imaging scans during two visits: baseline and postintervention period. After baseline, participants were randomly assigned to WL (n = 70), an 8-week MBSR program (n = 75), or a validated, matched active control (n = 73). We assessed changes in gray matter volume, gray matter density, and cortical thickness. In the largest and most rigorously controlled study to date, we failed to replicate prior findings and found no evidence that MBSR produced neuroplastic changes compared to either control group, either at the whole-brain level or in regions of interest drawn from prior MBSR studies.

SUBMITTER: Kral TRA 

PROVIDER: S-EPMC9122316 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature

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Absence of structural brain changes from mindfulness-based stress reduction: Two combined randomized controlled trials.

Kral Tammi R A TRA   Davis Kaley K   Korponay Cole C   Hirshberg Matthew J MJ   Hoel Rachel R   Tello Lawrence Y LY   Goldman Robin I RI   Rosenkranz Melissa A MA   Lutz Antoine A   Davidson Richard J RJ  

Science advances 20220520 20


Studies purporting to show changes in brain structure following the popular, 8-week mindfulness-based stress reduction (MBSR) course are widely referenced despite major methodological limitations. Here, we present findings from a large, combined dataset of two, three-arm randomized controlled trials with active and waitlist (WL) control groups. Meditation-naïve participants (<i>n</i> = 218) completed structural magnetic resonance imaging scans during two visits: baseline and postintervention per  ...[more]

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