数量不仅仅是眼睛所能看到的:揭示数量感知中的细分机制与视觉错觉
Andrea Adriano1, Michaël Vande Velde2
1Department of Psychology, University of Milano-Bicocca, Italy.
Vision research
|January 29, 2025
概括
当物体连接在一起时,视觉系统低估了数量,即使是虚幻的物体. 这表明处理真实和虚幻对象数量的共享机制.
科学领域:
- 视觉感知 视觉感知 视觉感知
- 认知神经科学是一种认知神经科学.
- 计算视觉是指计算机视觉.
背景情况:
- 人类和动物可以估计近似的数量,但潜在的视觉机制是不清楚的.
- 感知到的数量受到对象连接的影响,分组线索影响了细分.
- 虚幻轮 (ICs) 模仿真实对象的感知,使它们对研究视觉处理有价值.
研究的目的:
- 调查假想轮 (ICs) 的近似数量感知是否受到连接的影响.
- 确定处理真实和虚幻对象的视觉机制是否有相似之处.
主要方法:
- 一个心理物理强制选择任务被用来比较Ehrenstein-like IC合集的数量.
- 通过使用与任务无关的线路来操纵IC之间的连接数 (0,2,或4).
- 低层次的视觉特征在各种条件中被控制,以隔离连接的效果.
主要成果:
- 随着连接数量的增加,多样性被单调地低估了.
- 感知精度保持不变,符合韦伯式编码.
- 反应时间与连接性成比例增加,这表明神经处理的反复性.
结论:
- 虚幻的轮组合受到与真实物体相同的连接效应.
- 这支持一个共享的视觉机制,用于在真实和虚幻的刺激中提取数量.
- 研究结果提供了对视觉细分的见解,并为人工智能和感知模型提供了信息.
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