空间背景对感知行走方向的影响
Chang Chen1,2, W Paul Boyce1,3, Colin J Palmer1,4,5
1School of Psychology, University of New South Wales, Sydney, NSW, Australia.
Journal of vision
|May 24, 2024
概括
空间背景会影响人们对行走方向的看法,而侧面的步行者会产生吸引人的效果. 这与时间适应不同.
科学领域:
- 视觉感知 视觉感知 视觉感知
- 人类运动分析分析
- 神经科学是一个神经科学.
背景情况:
- 语境调制对于高水平的视觉处理至关重要.
- 它在感知走路方向方面的作用仍未得到充分研究.
- 以前的研究表明,时间上下文会影响行走方向的感知.
研究的目的:
- 为了研究空间上下文调制对感知行走方向.
- 将空间上下文效应与时间适应效应进行比较.
- 为了确定空间上下文调制的调特性.
主要方法:
- 参与者判断了一个中心目标步行者的行走方向.
- 目标步行者单独呈现或与侧面步行者 (完好或混杂) 呈现.
- 侧翼步行者偏差有所变化;使用了适应和空间上下文任务.
主要成果:
- 空间背景任务揭示了有吸引力的效应 (同化).
- 适应任务表现出排斥性的效果.
- 空间背景中的吸引力效应在侧面偏差30°左右最强.
结论:
- 空间上下文调制和时间适应表现出不同的效果 (吸引力与排斥力).
- 这些独特的效应表明了不同的神经机制.
- 共享峰值调整表明在通用感官通道上进行操作,以获得行走方向.
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