Introduction <p>Emotional eating often leads to adverse health outcomes. Understanding how mindfulness influences emotional eating is crucial for developing strategies to promote healthier eating behaviors and well-being. This study aims to investigate the mechanism and acute response to a mindfulness meditation practice on emotional eating by examining immediate post-intervention effects on brain activity and neurophysiological differences between individuals with and without emotional eating.</p> Methods <p>Forty-nine adults were recruited and allocated into two groups based on the emotional eating subscale score of the Dutch Eating Behavior Questionnaire: emotional eating (EE group) and non-emotional eating (comparison group). EEG was captured from three 14-min audio-guided mindfulness practices (MPs; each comprising three consecutive phases: mindful breathing [MPbreathing], emotion evocation [MPevocation], and meditation [MPmeditation]) and 5-min resting periods before and after each mindfulness practice. We compared between-group and between-condition differences in the EEG band power and examined potential correlations between EEG data and other participant characteristics.</p> Results <p>Following three MPs, the EE group exhibited a higher frontal midline theta power (<i>p</i> = 0.051) and a lower frontal midline alpha power (<i>p</i> = 0.059) compared with the comparison group. These effects primarily originated from the MPmeditation (theta band: corrected ps ≤ 0.03; alpha band: corrected ps ≤ 0.08). Two negative correlations were specifically found in the EE group: one between changes in frontal midline delta power and emotional eating behaviors, and another between beta-1 power and cognitive reappraisal that emerged in the MPmeditation.</p> Conclusions <p>Our findings suggest that the modulation of frontal midline theta and alpha activity may contribute to the immediate effects of mindfulness meditation in remediating emotional eating. The clinical significance of the correlation between delta activity and emotional eating severity warrants further investigation.</p>

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Acute response and neurophysiological mechanisms of mindfulness meditation in emotional eating

  • Roy Rongyue Zeng,
  • Rangchun Hou,
  • Hiu Yin Lai,
  • Hei Yuen Huang,
  • Ka Siu Lau,
  • Ka Yan Hung,
  • Rachel Kwok,
  • Nestor Vinas Guasch,
  • Daniel Kwasi Ahorsu,
  • Tiev Miller,
  • Yushen Dai,
  • Pablo Cruz-Gonzalez,
  • Yan Li,
  • Benson Wui-Man Lau,
  • Jack Jiaqi Zhang,
  • Dalinda Isabel Sanchez Vidana

摘要

Introduction

Emotional eating often leads to adverse health outcomes. Understanding how mindfulness influences emotional eating is crucial for developing strategies to promote healthier eating behaviors and well-being. This study aims to investigate the mechanism and acute response to a mindfulness meditation practice on emotional eating by examining immediate post-intervention effects on brain activity and neurophysiological differences between individuals with and without emotional eating.

Methods

Forty-nine adults were recruited and allocated into two groups based on the emotional eating subscale score of the Dutch Eating Behavior Questionnaire: emotional eating (EE group) and non-emotional eating (comparison group). EEG was captured from three 14-min audio-guided mindfulness practices (MPs; each comprising three consecutive phases: mindful breathing [MPbreathing], emotion evocation [MPevocation], and meditation [MPmeditation]) and 5-min resting periods before and after each mindfulness practice. We compared between-group and between-condition differences in the EEG band power and examined potential correlations between EEG data and other participant characteristics.

Results

Following three MPs, the EE group exhibited a higher frontal midline theta power (p = 0.051) and a lower frontal midline alpha power (p = 0.059) compared with the comparison group. These effects primarily originated from the MPmeditation (theta band: corrected ps ≤ 0.03; alpha band: corrected ps ≤ 0.08). Two negative correlations were specifically found in the EE group: one between changes in frontal midline delta power and emotional eating behaviors, and another between beta-1 power and cognitive reappraisal that emerged in the MPmeditation.

Conclusions

Our findings suggest that the modulation of frontal midline theta and alpha activity may contribute to the immediate effects of mindfulness meditation in remediating emotional eating. The clinical significance of the correlation between delta activity and emotional eating severity warrants further investigation.