在萨哈贾冥想者中增强了杏仁体-前带膜白质结构连接
Oscar Perez-Diaz1, Daylín Góngora2, José L González-Mora1
1Instituto Universitario de Neurociencia, Universidad de La Laguna, San Cristóbal de La Laguna, Tenerife, Spain.
PloS one
|March 28, 2024
概括
经验丰富的萨哈贾冥想练习者在前边缘网络中显示出增强的白质道,特别是加强半球间连接. 这表明冥想实践可能通过神经通路修改影响注意力和情绪处理.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 心理学 心理学 心理学
背景情况:
- 额头边缘网络,包括前带状皮质,前胰岛和杏仁体,对于情绪和注意力过程至关重要.
- 冥想实践,如萨哈贾冥想,是事相关的改变认知和情绪状态.
研究的目的:
- 研究经验丰富的萨哈贾冥想练习者与非冥想者之间的前边缘网络中的白质连接差异.
- 为了确定与长期冥想实践相关的特定神经通路.
主要方法:
- 扩散张力成像 (DTI) 用于分析20名经验丰富的萨哈贾冥想练习者和20名匹配的非冥想者的白质连接.
- 基于片段的空间统计被用来比较两组之间白质片段的数量.
主要成果:
- 冥想者在五个路径中表现出更多的白质道,包括杏仁体和前半球岛之间的半球间连接,以及前带皮质和岛/杏仁体之间的连接.
- 非冥想者在两个途径中表现出更强的连接性,涉及左前胰岛和左桃体/前带皮层.
结论:
- 长期的萨哈贾冥想与关键的前边缘区域加强白质道有关,可能会增强上下注意力和情绪调节.
- 观察到的连接模式可能是冥想中经历的"见证状态"和精神沉默的基础.
- 冥想者中左前半岛的连接性减少可能与改变的情绪处理及其对自上而下的控制的影响有关.
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