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An electrophysiological investigation on the emotion regulatory mechanisms of brief open monitoring meditation in novice non-meditators

Yanli Lin, Lilianne M. Gloe, Courtney C. Louis, William D. Eckerle, Megan Fisher, Jason S. Moser

Scientific Reports August 28, 2020 DOI: 10.1038/s41598-020-71122-7 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Experimental study Peer reviewed
Interventions Open monitoring (OM) mindfulness meditation control audio
Measures Late positive potential (LPP), alpha power, theta power, self-reported sleepiness
Topics Meditation
Citations 17
Key findings Open monitoring mindfulness meditation did not increase alpha or theta power relative to controls but did increase self-reported sleepiness. Less sleepiness during meditation, but not the control audio, corresponded to smaller LPPs to negative images, and change in theta power between meditation and rest was positively correlated with the LPP even after controlling for sleepiness. The primary hypothesis was unsupported, but the authors suggest that phenomenological and neural changes during meditation may modulate its effects on emotional reactivity.

Abstract

Despite a growing literature supporting the salutary effects of mindfulness meditation on emotion regulation, the underlying mechanisms linking neural and subjective changes occurring during the actual practice of meditation with emotion regulatory effects observed after meditation remains virtually unexplored. The current study sought to address this gap in knowledge by testing the hypothesis that adoption of internally-directed focused attention, indexed by increased alpha and theta spectral power, during brief open monitoring (OM) mindfulness meditation predicts reduced emotional reactivity, as measured by the late positive potential (LPP). Results revealed that the OM meditation did not produce demonstrable differences in alpha and theta power but did increase self-reported sleepiness relative to controls. Follow-up analyses showed that sleepiness uniquely moderated the effect of meditation on the LPP, such that less sleepiness during meditation, but not the control audio, corresponded to smaller LPPs to negative images. Change in theta, but not alpha power, between meditation and rest was positively correlated with the LPP even after controlling for sleepiness. Although the primary hypothesis was unsupported, the findings demonstrate that phenomenological and neural changes occurring during OM meditation may modulate its subsequent "off-the-cushion" effects on emotional reactivity.

Comparable studies

Other experimental studies on meditation, most cited first.

Study Year Design Participants
The benefits of being present: Mindfulness and its role in psychological well-being. Cancer patients (clinical intervention study) 2003 Mixed methods: scale development, correlational, quasi-experimental, laboratory, experience-sampling, and clinical intervention study
Loving-kindness meditation increases social connectedness. 2008 Controlled laboratory experiment
Mindfulness and mind-wandering: Finding convergence through opposing constructs. 2012 Two studies: correlational study and experimental study
Mental Training Enhances Attentional Stability: Neural and Behavioral Evidence 2009 Experimental study
Mindfulness meditation and substance use in an incarcerated population. Incarcerated population 2006 Quasi-experimental with treatment-as-usual control condition

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