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相关概念视频

High-Level and Low-Level Awareness01:19

High-Level and Low-Level Awareness

247
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...
247
Altered States of Awareness01:06

Altered States of Awareness

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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.
The ingestion of substances like stimulants or hallucinogens leads to chemical alterations in the brain...
147
Sympathetic Activation01:17

Sympathetic Activation

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The sympathetic division can influence tissues and organs by releasing norepinephrine at peripheral synapses and distributing epinephrine and norepinephrine through the bloodstream. In times of crisis or stress, sympathetic activation occurs, which is regulated by sympathetic centers in the hypothalamus. As a result, sympathetic activation prepares the body for physical exertion, rapid ATP production, and heightened alertness, allowing individuals to respond effectively to challenging or...
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Subconsciousness and No Awareness01:15

Subconsciousness and No Awareness

228
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.
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
228

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相关实验视频

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Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
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物理激活的注意力控制模式.

Barry Giesbrecht1, Tom Bullock1, Jordan Garrett1

  • 1Psychological and Brain Sciences, University of California, Santa Barbara, CA 93106, USA; Institute for Collaborative Biotechnologies, University of California, Santa Barbara, CA 93106, USA.

Trends in cognitive sciences
|December 17, 2024
PubMed
概括

这项研究提出了注意力控制的新框架,突出了两个物理激活模式:改变增益控制和大脑网络的差异神经调节. 这提供了对不同状态的认知功能的洞察.

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
  • 生理学 生理学 生理学

背景情况:

  • 注意力控制对于日常运作至关重要,但它受到动态感官输入,内部目标和生理变化的影响.
  • 全球生理状态显著影响大脑的注意力过程,需要对这些相互作用有更深入的理解.

研究的目的:

  • 提出一种新的框架,以了解人类在物理上激活的注意力控制.
  • 整合来自活跃个体大脑记录的证据,解释生理状态如何调节注意力.

主要方法:

  • 合成从身体活跃的人类和非人类模型中的大脑记录中收的证据.
  • 开发一个理论框架来解释注意力控制的机制.

主要成果:

  • 识别至少两个不同的物理激活的注意力控制模式:改变增强控制和控制网络的差异神经调节.
  • 拟议的框架将生理状态的影响与已建立的注意力调节模型相结合.

结论:

  • 新的框架提供了全面的了解,体力活动和全球生理状态如何影响注意力控制.
  • 这个模型对研究认知功能和各种状态在受控实验室环境和现实环境中具有广泛的影响.
关键词:
关注注意力注意力注意力注意力认知 认知 认知运动就是炼身体.全球国家 全球国家身体活动 身体活动

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