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相关概念视频

High-Level and Low-Level Awareness01:19

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Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
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Altered states of consciousness represent significant deviations from one's normal mental state. These deviations can range from subtle changes in awareness to profound transformations in perception, thought processes, and sensory experiences. Altered states of consciousness can be triggered by various factors, including drug use, meditation, hypnosis, illness, or even intense fatigue.
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The concept of subconscious awareness refers to the processing of information below the level of conscious thought, which significantly influences both behaviors and decisions. It is also known as waking subconscious awareness. This complex level of cognition operates without the direct awareness of the individual, facilitating rapid and simultaneous handling of multiple information streams.
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正念冥想风格以不同的方式调节源级MEG微态动态和复杂度.

Antea D'Andrea1, Pierpaolo Croce1, Jordan O'Byrne2

  • 1Department of Neuroscience, Imaging and Clinical Sciences, University of Chieti-Pescara, Chieti, Abruzzo, Italy.

Frontiers in neuroscience
|February 19, 2024
PubMed
概括
此摘要是机器生成的。

正念冥想,包括集中注意力冥想 (FAM) 和开放监测冥想 (OMM),改变了大脑微观状态的动态. 这些冥想方式改变了大脑的关键性,影响了认知状态和表现.

关键词:
大脑的关键性大脑的关键性复杂性的复杂性 复杂性的复杂性集中注意力 冥想 冥想磁脑脑摄影 (MEG) 是一种磁脑脑摄影技术.微观状态分析正念 冥想 冥想 冥想开放式监控冥想冥想 开放式监控冥想

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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:

  • 正念冥想,包括集中注意力冥想 (FAM) 和开放监测冥想 (OMM),有着丰富的研究历史.
  • 磁脑电图 (MEG) 和电脑电图 (EEG) 提供高时间分辨率来研究冥想的神经相关性.
  • 大脑活动是动态的,在不同的大脑状态 (微状态) 之间过渡,这些状态越来越多地被研究.

研究的目的:

  • 在FAM,OMM和静止状态期间探索磁脑成像 (MEG) 源级微态.
  • 分析这些微状态之间的动态过渡的复杂性和关键性.

主要方法:

  • 十位经验丰富的佛教僧侣参加了这次活动,他们在FAM,OMM和休息状态期间进行了MEG录音.
  • 使用eLORETA进行源重建和皮质分片进行.
  • 微态分析,赫斯特指数和Lempel-Ziv复杂性 (LZC) 从微态序列计算出来.

主要成果:

  • 特定的微状态是由冥想状态和风格调节的.
  • 与休息相比,冥想期间赫斯特指数值下降.
  • 在静止状态,FAM和OMM之间,LZC有显著的差异,显示出逐渐增加.

结论:

  • 冥想,包括FAM和OMM,改变了大脑微观状态的动态和关键性.
  • 冥想期间大脑关键性指数的变化表明对认知表现的状态效应.
  • 冥想期间经历的认知转变与临界点附近的动态大脑状态过渡并行.