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相关概念视频

Estimation of the Physical Quantities01:05

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On many occasions, physicists, other scientists, and engineers need to make estimates of a particular quantity. These are sometimes referred to as guesstimates, order-of-magnitude approximations, back-of-the-envelope calculations, or Fermi calculations. The physicist Enrico Fermi was famous for his ability to estimate various kinds of data with surprising precision. Estimating does not mean guessing a number or a formula at random. Instead, estimation means using prior experience and sound...
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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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在视觉数值估计中的部分整体效应.

Chenxiao Guan1,2, David Schwitzgebel3,4, Chaz Firestone3

  • 1Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou, 310058, China. chenxiaoguan@zju.edu.cn.

Attention, perception & psychophysics
|January 8, 2026
PubMed
概括
此摘要是机器生成的。

人数的视觉感知受到部分和整体关系的影响. 易于组合的对象被认为是较少的,这表明大脑在估计数量时考虑潜在的整体.

关键词:
一年多的时间.估计数字系统的数值.感知 感知 感知 感知有可能的可能性.形状 形状 形状视觉关系 视觉关系

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科学领域:

  • 认知心理学 认知心理学
  • 视觉感知 视觉感知 视觉感知
  • 数字认知 数字认知

背景情况:

  • 人类感知数字性的能力是基本的.
  • 以前的研究集中在离散的,有界的物体上.
  • 部分和整体关系在数量估计中的作用尚未被探索.

研究的目的:

  • 调查视觉数量感知是否受到部分和整体关系的影响.
  • 为了确定易于组合的对象是否被视为数量较少.

主要方法:

  • 参与者看到了不连续的"拼图"刺激的简短显示.
  • 刺激被呈现为可以或不能有效组合的对.
  • 参与者报告了哪个展览包含了更多的作品.

主要成果:

  • 与不可组合的零件相比,可组合的零件的显示器在数量上一直被低估.
  • 这种效应甚至在参与者被训练数个单独的碎片时也存在.
  • 这些发现表明,人们倾向于看待潜在的整体而不是单个部分.

结论:

  • 视觉数量估计对对象组合性敏感.
  • 大脑在评估数量时会自动考虑部分如何形成整体.
  • 这挑战了只计算离散的,有界的个体的假设.