学习的关联在困难但不容易的视觉搜索过程中作为目标代理
1Center for Mind and Brain, University of California, 267 Cousteau Place, Davis, CA 95618, USA.
Cognition
|October 28, 2023
概括
注意力灵活地使用场景线索来找到难以区分的面部目标. 当面孔易于识别时,注意力对场景的依赖较小,除非它们早些时候出现,证明了适应性视觉搜索策略.
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:
- 在视觉搜索期间的注意指导通常依赖于目标对象的特征.
- 然而,外部环境线索可以帮助引起注意,特别是对于难以找到的目标.
研究的目的:
- 调查面部和场景图像之间的学习关联是否使场景信息能够作为面部目标的代理.
- 确定场景信息在视觉搜索中引导注意力的条件.
主要方法:
- 参与者执行了视觉搜索任务,涉及面部目标和场景干扰器.
- 操纵了特定的面孔和场景类别之间的学会关联.
- 目标的可辨别性和场景呈现时间是多样化的.
主要成果:
- 场景信息引导注意力作为面部目标的代理,当面部难以歧视时.
- 当面孔易于区分时,场景指导减少,除非在搜索显示之前呈现场景.
- 注意力灵活地转移到目标特征和预测性环境线索之间.
结论:
- 注意力指导不仅仅是基于目标特征,而是灵活地纳入预测性环境信息.
- 使用目标特征与环境线索的效率影响了注意力策略.
- 这种灵活性允许在复杂的环境中进行快速和自适应的视觉搜索.
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