Resting State Functional Connectivity Associated With Sahaja Yoga Meditation.
Resting State Functional Connectivity Associated With Sahaja Yoga Meditation.
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DOI：
10.3389/fnhum.2021.614882
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发表时间：
2021
影响因子：
2.9
通讯作者：
Rubia K
中科院分区：
文献类型：
--
作者：
Barrós-Loscertales A;Hernández SE;Xiao Y;González-Mora JL;Rubia K
神经科学研究表明，冥想练习对大脑结构和功能有影响。然而，很少有研究结合信息的结构和功能的影响，在同一个样本。长期的日常冥想练习会在多年的练习中产生特定大脑网络的重复活动，这可能会引起相关回路内持久的结构和功能连接（FC）变化。因此，我们研究的目的是找出23名霎哈嘉瑜伽冥想专家和23名没有冥想经验的健康参与者在静息状态下FC的差异。基于种子的FC分析是从这些相同参与者之间显示出结构差异的体素出发进行的。对比连接图发现，冥想者的左腹外侧前额叶皮层和右背外侧前额叶皮层之间的FC增加，但左前额叶皮层和双侧扣带回中部之间以及右角回和双侧楔前叶/楔叶皮层之间的FC减少。因此，长期的冥想练习似乎增加了与注意力和认知控制相关的大脑网络中腹侧和背侧额叶区域之间的直接FC，并减少了这些网络区域和默认模式网络区域之间的FC。
Neuroscience research has shown that meditation practices have effects on brain structure and function. However, few studies have combined information on the effects on structure and function in the same sample. Long-term daily meditation practice produces repeated activity of specific brain networks over years of practice, which may induce lasting structural and functional connectivity (FC) changes within relevant circuits. The aim of our study was therefore to identify differences in FC during the resting state between 23 Sahaja Yoga Meditation experts and 23 healthy participants without meditation experience. Seed-based FC analysis was performed departing from voxels that had shown structural differences between these same participants. The contrast of connectivity maps yielded that meditators showed increased FC between the left ventrolateral prefrontal cortex and the right dorsolateral prefrontal cortex but reduced FC between the left insula and the bilateral mid-cingulate as well as between the right angular gyrus and the bilateral precuneus/cuneus cortices. It thus appears that long-term meditation practice increases direct FC between ventral and dorsal frontal regions within brain networks related to attention and cognitive control and decreases FC between regions of these networks and areas of the default mode network.
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