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相关概念视频

Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

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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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在自我中心和非中心的空间参考框架之间切换的认知负载:一个学生计量研究.

Renato Orti1, Tina Iachini2, Eleonora D'Agostino2

  • 1Laboratory of Cognitive Science and Immersive Virtual Reality, CS-IVR, Department of Psychology, University of Campania L. Vanvitelli, Viale Ellittico, 31, 81100, Caserta, Italy. renato.orti@unicampania.it.

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概括

在自我中心和非中心的空间框架之间切换需要认知上的努力. 这项研究发现,从一个非中心的 (以对象为中心) 框架开始空间任务,而不是一个自我中心的 (以身体为中心) 框架,会持续增加认知负载.

关键词:
认知负载的认知负载自我中心的偏心的参考框架.瞳孔测量术 (pupillometry) 是指用眼睛测量一个孩子的眼睛.视觉空间切换过程

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Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior
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科学领域:

  • 认知心理学 认知心理学
  • 神经科学是一个神经科学.
  • 人类的空间认知

背景情况:

  • 人类经常在以自我为中心 (以身体为中心) 和以物为中心 (以物体为中心) 的空间参考框架之间切换.
  • 以前的研究表明,从偏心转向自我中心的框架比相反更困难.

研究的目的:

  • 为了研究与自我中心和异心空间框架之间的切换相关的认知负载.
  • 用认知瞳孔测量来澄清参考框架之间切换困难中的不对称性.

主要方法:

  • 参与者执行了一个视觉空间记忆任务,涉及自我中心和非中心的判断.
  • 通过使用眼睛跟踪分析瞳孔膨胀变化来测量认知负载.
  • 任务条件包括不切换 (仅以自我为中心,仅以allocentric为中心) 和切换 (从ego-to-allo,从-allo-to-ego) 框架.

主要成果:

  • 与相反的情况相比,当从异心向自我中心的框架切换时,瞳孔膨胀显著增加.
  • 不切换条件也显示出更大的瞳孔扩张,当从一个偏心的框架相比自我中心的框架.
  • 这些发现表明,当从异心表示开始空间处理时,认知负载更高.

结论:

  • 最初采用的参考框架在空间处理和切换期间显著影响认知负载.
  • 从一个偏心的表征开始,比起一个自我中心的表征,会给人带来更大的认知负担.
  • 这种初始偏差似乎影响了随后的空间处理和切换效率.