Immediate effects of short-term meditation on sensorimotor rhythm-based brain-computer interface performance.

Immediate effects of short-term meditation on sensorimotor rhythm-based brain-computer interface performance.
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DOI:
10.3389/fnhum.2022.1019279
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发表时间:
2022
影响因子:
2.9
通讯作者:
--
中科院分区:
医学3区
文献类型:
--
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冥想已被证明可以增强用户控制基于感觉运动节律 (SMR) 的脑机接口 (BCI) 的能力。例如,之前的研究表明,长期冥想练习和为期 8 周的正念减压 (MBSR) 训练对基于 SMR 的 BCI 具有积极的行为和神经生理学影响。然而,短期冥想练习对基于 SMR 的 BCI 控制的影响仍不清楚。在这项研究中,我们研究了 20 分钟的短暂冥想对基于 SMR 的 BCI 控制的直接影响。 37 名受试者在两种类型的 20 分钟干预前后执行了几次一维光标控制任务:引导的正念冥想练习和叙述者阅读期刊文章的录音。我们发现,经过 20 分钟的干预后,BCI 性能和脑电图 (EEG) BCI 控制信号没有显着变化。此外,冥想组和对照组之间的 BCI 表现变化并不显着。目前的结果表明,需要更长时间的冥想来改善基于 SMR 的 BCI 控制。
Meditation has been shown to enhance a user’s ability to control a sensorimotor rhythm (SMR)-based brain-computer interface (BCI). For example, prior work have demonstrated that long-term meditation practices and an 8-week mindfulness-based stress reduction (MBSR) training have positive behavioral and neurophysiological effects on SMR-based BCI. However, the effects of short-term meditation practice on SMR-based BCI control are still unknown. In this study, we investigated the immediate effects of a short, 20-minute meditation on SMR-based BCI control. Thirty-seven subjects performed several runs of one-dimensional cursor control tasks before and after two types of 20-minute interventions: a guided mindfulness meditation exercise and a recording of a narrator reading a journal article. We found that there is no significant change in BCI performance and Electroencephalography (EEG) BCI control signal following either 20-minute intervention. Moreover, the change in BCI performance between the meditation group and the control group was found to be not significant. The present results suggest that a longer period of meditation is needed to improve SMR-based BCI control.
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