Yoga meditation practitioners exhibit greater gray matter volume and fewer reported cognitive failures: results of a preliminary voxel-based morphometric analysis.
Yoga meditation practitioners exhibit greater gray matter volume and fewer reported cognitive failures: results of a preliminary voxel-based morphometric analysis.
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DOI：
10.1155/2012/821307
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发表时间：
2012
期刊：
影响因子：
--
通讯作者：
McClernon FJ
中科院分区：
文献类型：
--
作者：
Froeliger B;Garland EL;McClernon FJ
哈他瑜伽的技巧，包括身体姿势（体式）、呼吸练习（调息）和冥想，都涉及到正念的练习。据推测，这些变化可能是由经验依赖性神经可塑性变化介导的。虽然之前的研究已经确定了长期正念练习者和对照组之间灰质体积（GMV）的差异，但迄今为止还没有研究报告瑜伽冥想是否与GMV差异有关。本研究调查了瑜伽冥想练习者（YMP）和匹配对照组（CG）之间的GMV差异。YMP组在额叶、边缘、颞叶、枕叶和小脑区表现出更大的GM体积；而CG没有更大的区域GMV。此外，YMP组在认知失败问卷（cognitive failures Questionnaire， CFQ）中报告的认知失败显著减少，其程度与初步分析中发现的许多区域的GMV呈正相关。最后，GMV与瑜伽练习时间呈正相关。这项初步研究的结果表明，哈他瑜伽练习可能与促进大脑执行系统的神经可塑性变化有关，这可能会给反复练习带来治疗效果。
Hatha yoga techniques, including physical postures (asanas), breathing exercises (pranayama), and meditation, involve the practice of mindfulness. In turn, yoga meditation practices may induce the state of mindfulness, which, when evoked recurrently through repeated practice, may accrue into trait or dispositional mindfulness. Putatively, these changes may be mediated by experience-dependent neuroplastic changes. Though prior studies have identified differences in gray matter volume (GMV) between long-term mindfulness practitioners and controls, no studies to date have reported on whether yoga meditation is associated with GMV differences. The present study investigated GMV differences between yoga meditation practitioners (YMP) and a matched control group (CG). The YMP group exhibited greater GM volume in frontal, limbic, temporal, occipital, and cerebellar regions; whereas the CG had no greater regional greater GMV. In addition, the YMP group reported significantly fewer cognitive failures on the Cognitive Failures Questionnaire (CFQ), the magnitude of which was positively correlated with GMV in numerous regions identified in the primary analysis. Lastly, GMV was positively correlated with the duration of yoga practice. Results from this preliminary study suggest that hatha yoga practice may be associated with the promotion of neuroplastic changes in executive brain systems, which may confer therapeutic benefits that accrue with repeated practice.
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