功能空间的相似性决定了集成处理过程中注意力选择的效率
Kevin Ortego1, Viola S Störmer2
1Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH, USA. kevortego27@gmail.com.
Psychonomic bulletin & review
|November 19, 2024
概括
当分心因素在特征空间中重叠时,选择性注意力努力过视觉整体感知. 早期的处理很快就形成了表征,注意力在以后采取行动将它们分开,特别是当特征重叠最小时.
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
- 神经科学是一个神经科学.
背景情况:
- 人类擅长从视觉环境中提取统计信息 (整体感知).
- 与任务无关的信息对整体估计的影响尚不清楚.
- 基于特征的注意力在分散注意力的环境中选择特定物品集的作用需要进行调查.
研究的目的:
- 为了调查基于特征的注意力是如何受影响的任务无关的信息在整体感知.
- 为了确定相关和无关的项目集之间的表示重叠是否会影响注意力选择.
- 检查集体表现形成和注意力选择的时间动态.
主要方法:
- 参与者执行了集体感知任务,报告目标颜色线条的平均定向,同时忽略分心颜色线条.
- 有关和无关项目集之间的方向相似性有系统地变化.
- 使用视觉掩饰技术来操纵刺激的处理时间.
主要成果:
- 导向报告偏向于不相关的项目,特别是当项目集在导向中重叠时.
- 随着刺激处理时间的缩短,偏见更强,这表明快速,包容性集体表现.
- 当集体表示在方向上是可分离的,但被重叠抑制时,注意力选择是有效的.
结论:
- 使用所有可用的信息快速形成集体表示,无论任务相关性如何.
- 选择性注意力在以后的阶段作用,以分离这些表示.
- 当相关和无关联的组合在特征空间上有所区别时,注意力选择非常有效,但当它们重叠时,效果较差.
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