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相关概念视频

Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

631
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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Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
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通过空间注意力达到的调制.

Rossella Breveglieri1, Riccardo Brandolani1,2, Stefano Diomedi1

  • 1Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy.

Frontiers in integrative neuroscience
|May 31, 2024
PubMed
概括

隐藏的注意方向会影响运动控制的动态,特别是在相反的方向. 向左的注意力增加了反驱动的运动控制,不管是用手还是用脚,提供了对神经系统疾病的洞察力.

关键词:
主要组件分析分析主要组件分析隐藏的注意力 隐藏的注意力半地空间的影响.左撇子的人是左撇子.达到了达到的目的.右撇子的人是右撇子.

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科学领域:

  • 神经科学是一个神经科学.
  • 发动机控制器的控制器
  • 认知心理学 认知心理学

背景情况:

  • 目标定向,视觉引导的运动需要注意.
  • 隐蔽注意力方向对电机控制动态的影响尚未完全理解.

研究的目的:

  • 调查隐藏注意的方向如何影响运动结果和动态.
  • 为了确定注意力方向是否调节运动控制策略.

主要方法:

  • 参与者 (右撇子和左撇子) 计划了伸手运动.
  • 隐蔽的注意力是指向ipsilateral,contralateral或不受约束的位置.
  • 测量了行为结果和运动控制动态 (通过轨迹的主要组成部分分析).

主要成果:

  • 隐藏的注意力方向在反侧触及时显著影响了运动控制动态.
  • 运动控制与左侧注意力相比,与右侧或不受约束的注意力相比,对左侧注意力有更多的反驱动.
  • 这种效应独立于手性.

结论:

  • 隐蔽的注意力方向在调节运动控制动态方面发挥着至关重要的作用.
  • 向左的注意力似乎更多地参与了依赖于反的运动控制策略.
  • 这些发现可能有助于我们对具有空间不对称性的神经系统疾病的理解,例如半空间疏忽.