EcoMeditation Modifies Brain Resting State Network Activity.

Q3 Medicine Innovations in clinical neuroscience Pub Date : 2022-07-01
Peta Stapleton, Dawson Church, Oliver Baumann, Debbie Sabot
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Abstract

Background: The tendency of the mind to wander, a characteristic of the brain's default mode network (DMN), correlates with increased unhappiness and self-referential processing and is a deterrent to establishing a consistent meditation practice. The objective of this study was to test the impact of a secular physiological method of meditation. We hypothesized that EcoMeditation would produce increases in neural communication in brain regions associated with compassion and prosociality and decreases in self-referencing networks, such as the DMN, and that these changes would be found in the experimental group, but not the control group.

Methods: Participants (n=38) were randomized into two groups, and the final sample consisted of 25 participants. One group listened daily to a 22-minute EcoMeditation audio track, while the other used an active control. Functional magnetic resonance imaging (fMRI) was used to assess brain function before and after four weeks of practice. Mystical experiences, as well as psychological conditions, such as anxiety and depression, were measured.

Results: Participants in the EcoMeditation group showed significantly increased connectivity between the bilateral hippocampus and the bilateral insula, compared to pre-intervention. In addition, significant decreases of connectivity between the bilateral hippocampus and the midprefrontal and left dorsolateral prefrontal cortices occurred. EcoMeditation participants also scored significantly higher for mystical experiences than the control group. The results for emotional states were mixed, with one assessment finding increased positive mood, but another finding increased negative affect.

Conclusion: After only four weeks, participants using EcoMeditation demonstrated brain states similar to meditation adepts with thousands of hours of traditional practice.

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生态冥想改变大脑静息状态网络活动
背景:思绪游荡是大脑默认模式网络(DMN)的一个特征,它与不快乐和自我参照处理的增加有关,是阻碍建立持续冥想练习的一个因素。本研究的目的是测试一种世俗的生理冥想方法的影响。我们假设生态冥想会增加与同情心和亲社会性相关的大脑区域的神经交流,减少自我参照网络(如 DMN)的神经交流:参与者(38 人)被随机分为两组,最终样本包括 25 名参与者。其中一组每天聆听 22 分钟的生态冥想音频,另一组则使用主动对照组。功能磁共振成像(fMRI)用于评估四周练习前后的大脑功能。对神秘体验以及焦虑和抑郁等心理状况进行了测量:结果:与干预前相比,生态冥想组的参与者双侧海马和双侧岛叶之间的连通性明显增加。此外,双侧海马与前额叶中层和左侧背外侧前额叶皮层之间的连通性明显下降。生态冥想参与者在神秘体验方面的得分也明显高于对照组。对情绪状态的评估结果不一,一项评估发现积极情绪有所增加,但另一项评估发现消极情绪有所增加:结论:仅用了四周时间,使用生态冥想法的参与者就表现出了与经过数千小时传统冥想练习的冥想大师相似的大脑状态。
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Innovations in clinical neuroscience
Innovations in clinical neuroscience Medicine-Psychiatry and Mental Health
CiteScore
2.10
自引率
0.00%
发文量
87
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