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相关概念视频

Depth Perception and Spatial Vision01:15

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Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
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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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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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相关实验视频

Updated: Mar 14, 2026

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
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空间距离和时间注意力焦点调节自愿行动准备和意识.

Gaiqing Kong1,2, Bastien Barlerin1, Clément Desoche1,3

  • 1Impact Team of the Lyon Neuroscience Research Centre (CRNL) INSERM U1028 CNRS UMR5292 Université Claude Bernard Lyon 1, Lyon, France.

Psychophysiology
|March 13, 2026
PubMed
概括
此摘要是机器生成的。

周围个人空间 (PPS) 和注意力焦点影响行动准备和意识. 近身空间和专注于意图增强早期的神经准备,而专注于执行加速运动活动. 行动结果也调节了运动准备.

关键词:
行动意识 行动意识行动行动结果结果结果.关注的焦点是注意力.发动机准备工作 发动机准备工作准备就绪的潜在情况.空间上的近距离.时间绑定 时间绑定自愿行动是自愿行动.

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相关实验视频

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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
  • 发动机控制器的控制器

背景情况:

  • 周围人格空间 (PPS) 调节知觉和运动控制,但其在行动启动和主观体验中的作用尚不清楚.
  • 注意力对行动阶段和预期结果对神经准备运动的影响需要进一步研究.

研究的目的:

  • 研究空间接近,注意力集中和预期的行动结果如何影响行动准备和意识.
  • 使用脑电图 (EEG) 和虚拟现实Libet时钟范式来检查这些调制的神经相关性.

主要方法:

  • 在EEG录音期间使用了Libet时钟范式的虚拟现实适应.
  • 操纵的注意力集中 (意图形成与执行) 和预期的行动结果.
  • 评估了空间近距离 (近与远PPS) 对神经活动和行为时间感知的影响.

主要成果:

  • 关注焦点和预期结果调节了准备能力 (RP) 的不同阶段.
  • 专注于意图增强了早期的RP,而专注于执行则加剧了晚期RP的斜率.
  • 空间近距离调节了早期RP斜率,并在专注于意图时增强了晚期RP振幅;行为结果显示了早期在近距离空间中感知到的动作时间.

结论:

  • 外部空间环境 (PPS) 和内部认知过程动态相互作用,塑造运动准备和行动意识.
  • 专注于意图的注意力可以调节早期的神经准备,挑战对无意识准备的传统观点.
  • 结果提供了对代理和自愿行动决策的感觉的见解.