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对称性诱导的数量错觉取决于视觉注意力

Paula A Maldonado Moscoso^1,2, Giuseppe Maduli¹, Giovanni Anobile¹

¹Department of Neuroscience, Psychology, Pharmacology and Child Health, University of Florence, Florence, Italy.

Scientific reports

|August 2, 2023

概括

对称性可能会影响视觉感知,导致人们低估对称数组中的数量. 这项研究发现,减少注意力资源部分消除了这种对称性诱导的数量低估.

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
神经科学是一个神经科学.

背景情况:

对称性是组织场景和对象分割的基本视觉提示.
然而,对称性可以导致感知偏差,特别是低估对称数组中的数量.
这种对称性诱导的数量低估的基本机制仍然不清楚.

研究的目的:

调查注意力资源是否影响对称视觉阵列中数量的低估.
确定感知分组机制的作用,依赖于注意力,在这种偏见中.

主要方法:

26名成年人对对称和随机点数组进行了数量判断.
参与者在单任务 (忽视分心因素) 和双任务 (判断分心因素的颜色/方向) 条件下完成任务,以操纵注意力负载.
测量了注意力转移对对称性诱导的数量低估的影响.

主要成果:

当注意力资源被转移时,对称性诱导的数量低估显著减少.
将可用的注意力资源减半,使数量偏差的幅度减半.
这表明注意力资源在对称数组的感知中起着至关重要的作用.

结论:

在对称数组中感知数量的偏差至少部分取决于注意力资源.
这些发现表明,注意力依赖的分组机制可能是对称性诱导的数量低估的基础.
了解这些注意力效应是理解数量感知中的视觉偏差的关键.

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