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08-02-2019 | ORIGINAL PAPER

Mindfulness Meditators Do Not Show Differences in Electrophysiological Measures of Error Processing

Auteurs: Neil W. Bailey, Kavya Raj, Gabrielle Freedman, Bernadette M. Fitzgibbon, Nigel C. Rogasch, Nicholas T. Van Dam, Paul B. Fitzgerald

Gepubliceerd in: Mindfulness | Uitgave 7/2019

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Abstract

Objectives

Mindfulness meditation may improve attention and self-regulation. One component of attention and self-regulation that may allow these improvements is performance monitoring. Neural correlates of performance monitoring can be objectively measured with electroencephalogram (EEG) via the error-related negativity (ERN) and error positivity (Pe). Previous research assessing the ERN and Pe in meditators has resulted in inconsistent findings; some have reported alteration in peak amplitudes from both very brief meditation practice and long-term meditation practice, while others have failed to provide evidence for differences in the ERN or Pe. However, recently developed EEG analysis techniques allow for more rigorous analyses than have been used in past investigations.

Methods

The current study measured the ERN and Pe, as well as post-error alpha suppression, during a Go/Nogo task, and emotional and colour Stroop tasks. The measures were compared between 22 experienced meditators (mean of 8 years of practice) and 20 healthy controls.

Results

The results suggested no differences in the ERN, Pe, or post-error alpha suppression (all p > 0.05), even when varying multiple analysis parameters. The study showed equivalent statistical power to previous research, and > 85% power to detect medium effect sizes present in previous research. Bayes Factor analysis indicated the null hypotheses were > 3.5 more likely than any of the alternative hypotheses for the ERN or Pe.

Conclusions

These results suggest that meditation may not alter neural activity related to error processing, despite prior research suggesting that it does.
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Metagegevens
Titel
Mindfulness Meditators Do Not Show Differences in Electrophysiological Measures of Error Processing
Auteurs
Neil W. Bailey
Kavya Raj
Gabrielle Freedman
Bernadette M. Fitzgibbon
Nigel C. Rogasch
Nicholas T. Van Dam
Paul B. Fitzgerald
Publicatiedatum
08-02-2019
Uitgeverij
Springer US
Gepubliceerd in
Mindfulness / Uitgave 7/2019
Print ISSN: 1868-8527
Elektronisch ISSN: 1868-8535
DOI
https://doi.org/10.1007/s12671-019-1096-3