由虚幻的长度对萨卡德振幅的时间依赖调制反映了感知和行动之间的共享表示
Laurie Geers1, Karine Doré-Mazars2, Michael Andres1
1Psychological Science Research Institute, UCLouvain.
Journal of experimental psychology. Human perception and performance
|November 10, 2025
概括
眼睛的运动受到视觉错觉的影响,这挑战了行动对感知扭曲是免疫的想法. 这表明共享视觉处理对于感知和行动,随着时间的推移而得到改善.
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.
- 视觉感知 视觉感知 视觉感知
背景情况:
- 两种视觉流假设表明,感知是依赖上下文的,而行动不是.
- 经验证据表明,眼运动受到像Müller-Lyer错觉这样的视觉错觉的影响.
- 之前的发现可以解释为萨卡德被吸引到一个人物的重心,而不是直接的感知影响.
研究的目的:
- 调查当视觉距离被误认为时,眼睛运动是否被误校准.
- 从重心效应中解开视觉错觉对冲动幅度的影响.
- 测试共享视觉表征的假设,用于感知和行动.
主要方法:
- 对114名参与者进行了四项实验.
- 在Müller-Lyer图中,沿水平线测量了萨卡德振幅.
- 设计刺激以控制重心偏差和不同的预览时间 (50毫秒对2,000毫秒).
主要成果:
- 萨卡德的幅度和长度判断被穆勒-莱尔错觉系统地调节.
- 这种调制超出了归因于重心,突出度或计算时间的效应.
- 幻觉对萨卡德振幅的影响随着预览时间的延长而减少.
结论:
- 这些发现支持对感知和眼运动行为的共享视觉表示.
- 这种共享的表现受视觉背景的影响.
- 增加的处理时间提高了这种共享视觉表示的精度.
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