从突出度的放大影响了明确的,但不是隐含的集体表示
Aleksei U Iakovlev1, Vladislav A Khvostov2,3, Árni Gunnar Ásgeirsson4
1Psychology Deptartment, University of Iceland, Sæmundargata 12, 102, Reykjavik, Iceland. auiakovlev@gmail.com.
突出偏差明确集体感知,但不是隐含的表示. 这表明视觉系统如何处理整体特征的独特机制,影响我们对视觉感知的理解.
科学领域:
- 认知神经科学 认知神经科学
- 视觉感知 视觉感知 视觉感知
背景情况:
- 视觉系统形成了多个对象的集体表示.
- 单个项目的突出程度可能会偏向感知到的整体意味 (放大效应).
- 目前尚不清楚突出性是否会影响超出平均值和方差的隐性表示.
研究的目的:
- 调查项目突出性是否会影响隐含的集体表示.
- 为了比较突出度对明确与隐性集体感知的影响.
- 探索隐式和显式集体表示的基础上不同的机制.
主要方法:
- 观察者看到了不同方向和大小的线条集 (大小作为突出的,无关紧要的特征).
- 通过平均方向调整估计了明确的表示.
- 使用视觉搜索任务 (特征分布学习) 访问隐式表示.
主要成果:
- 在明确报告中观察到强烈的突出性诱导偏差,平均方向估计转向突出项目.
- 通过视觉搜索访问的隐性集体表示没有发现放大效应.
- 结果表明,突出影响了明确的,但不是隐含的,整体感知.
结论:
- 不同的机制可能是视觉系统中隐性和显式集体表示的基础.
- 突出影响了明确的整体感知,影响了我们如何报告平均特征.
- 隐式集合处理似乎不太容易受到任务无关的突出特征的影响.
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