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相关概念视频

High-Level and Low-Level Awareness01:19

High-Level and Low-Level Awareness

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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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Organization of the Brain01:30

Organization of the Brain

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The brain is an integral component of the nervous system and serves as the center for processing sensory inputs, making decisions, and directing bodily actions. This complex organ is organized into three primary sections: the hindbrain, midbrain, and forebrain, each responsible for a range of vital functions.
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...
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Association Areas of the Cortex01:21

Association Areas of the Cortex

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Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
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Subconsciousness and No Awareness01:15

Subconsciousness and No Awareness

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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.
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
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相关实验视频

Updated: Jan 9, 2026

Coherence between Brain Cortical Function and Neurocognitive Performance during Changed Gravity Conditions
12:29

Coherence between Brain Cortical Function and Neurocognitive Performance during Changed Gravity Conditions

Published on: May 23, 2011

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确定最佳的表面外车活动性能所需的认知能力.

Steven R Anderson1, Mercedes N Jorge2, Suzanne T Bell3

  • 1KBR, Behavioral Health & Performance Laboratory, Biomedical Research and Environmental Sciences Division, Human Health and Performance Directorate, NASA Johnson Space Center, Houston, TX, USA. steven.anderson@nasa.gov.

NPJ microgravity
|December 6, 2025
PubMed
概括

宇航员需要特殊的认知技能来进行太空行走 (车外活动/EVA). 这项研究确定了这些关键的认知需求和风险,为未来的太空任务安全和EVA规划提供了信息.

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Utilizing Electroencephalography Measurements for Comparison of Task-Specific Neural Efficiencies: Spatial Intelligence Tasks
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相关实验视频

Last Updated: Jan 9, 2026

Coherence between Brain Cortical Function and Neurocognitive Performance during Changed Gravity Conditions
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Coherence between Brain Cortical Function and Neurocognitive Performance during Changed Gravity Conditions

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科学领域:

  • 人类因素与认知科学
  • 航空航天医学 航空航天医学
  • 宇航员表演表演

背景情况:

  • 表面车外活动 (EVA) 对宇航员来说是高度认知要求的.
  • 目前的数据不足以充分描述最佳EVA性能的认知要求.
  • 认知能力下降在EVA期间对机组人员安全构成重大风险.

研究的目的:

  • 描述表面EVA任务的认知需求.
  • 为了确定与表面EVA期间认知性能下降相关的风险.
  • 建立改善宇航员认知评估和EVA规划的基础.

主要方法:

  • 进行了认知任务分析.
  • 15名宇航员和主题专家参与其中.
  • 分析了表面EVA认知表现的需求和风险.

主要成果:

  • 确定了未来表面EVA所需的特定认知能力.
  • 这项研究为有针对性的认知性能测量提供了基础.
  • 收集了用于EVA模拟设计和技术开发的基础数据.

结论:

  • 了解宇航员的认知能力对于安全有效的地表EVA至关重要.
  • 这项研究支持NASA开发探索任务的标准和指导方针.
  • 这些发现将加强EVA规划和未来太空探索的技术开发.