冥想经验与松果腺的结构完整性增加和更大的灰色物质总维护有关
Emanuele Rg Plini1, Michael C Melnychuk1, Paul M Dockree1
1Department of Psychology, Trinity College Institute of Neuroscience, Trinity College Dublin, Llyod Building, 42A Pearse St, 8PVX+GJ Dublin, Ireland.
medRxiv : the preprint server for health sciences
|March 18, 2024
概括
长期的冥想练习可以提高松果腺的完整性,并表明年轻的大脑年龄. 增加冥想时间与松果腺信号强度相关,可能与黑激素有关.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 神经成像是一种神经成像.
背景情况:
- 冥想与改善认知功能和皮层结构变化有关.
- 与冥想相关的皮层下形态变化不太了解.
- 松果腺,一个黑激素的生产者,影响昼夜节律,并可能提供神经保护.
研究的目的:
- 研究长期冥想者 (LTMs) 松果腺的结构变化.
- 检查终身冥想时间与松果腺完整性之间的关联.
- 评估LTM中的灰色物质 (GM) 维护 (BrainPAD) 以及它与松果腺完整性的关系.
主要方法:
- 使用基于voxel的形态测量 (VBM) 分析.
- 在LTMs (n=14) 和对照组 (n=969) 之间比较松果腺完整性.
- 相关估计一生时间冥想 (ELHOM) 和BrainPAD得分与松果腺完整性.
主要成果:
- 与对照组相比,LTM显示出更大的松果腺完整性.
- 在LTM中,BrainPAD得分较低,表明大脑年龄较小.
- 在ELHOM和松果腺信号强度之间发现了积极的关联,但BrainPAD得分没有.
结论:
- 长期冥想与增强的松果腺完整性和潜在的年轻大脑衰老有关.
- 黑色素在松果腺中的作用可能会调解冥想对神经保护,睡眠和再生的影响.
- 需要进一步的研究来探索冥想,松果腺功能和神经可塑性之间的机制.
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