上下准备有助于在单元搜索中进行试验间的初始化
Ben Sclodnick1, Hong-Jin Sun2, Bruce Milliken2
1Department of Psychology, Neuroscience & Behaviour, McMaster University, Hamilton, Ontario, L8S 4K1, Canada. sclodnbc@mcmaster.ca.
Attention, perception & psychophysics
|December 7, 2025
概括
上下准备,即使随机排列,也可以提高单元搜索性能. 这个效果受到时间和显示尺寸的影响,显示内存表示会影响视觉搜索.
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
- 人类的注意力人类的注意力
背景情况:
- 上下控制显著影响视觉搜索.
- 以前的研究表明,一致的准备速度搜索超过200 ms.
- 目前的研究调查了试验对试验准备的效果.
研究的目的:
- 为了确定随机排列的上下准备是否会影响单元搜索性能.
- 检查时间间隔对这种预备效应的影响.
- 评估显示尺寸对准备效果的影响.
主要方法:
- 参与者在为特定的颜色做准备后执行了一个单元搜索任务.
- 准备线索在逐个试验的基础上以不可预测的方式呈现.
- 时间间隔和显示尺寸在实验中被操纵.
主要成果:
- 与一致的准备相比,随机编排的准备产生了较小但显著的搜索性能提升.
- 准备效应对时间间隔的敏感性仅在试验对试验的提示下观察到.
- 搜索性能增强随着显示尺寸的增加而下降,但在9个项目中保持稳健.
结论:
- 从单个和多个上下控制实例的内存表示影响随后的视觉搜索.
- 试验对试验的准备可以有效调节视觉搜索,尽管它的规模和时间灵敏度不同于一致的准备.
- 这些发现强调了视觉注意力上下控制的动态性质.
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