在场景感知过程中,基于对象的注意力引起了记忆中的边界收缩
Elizabeth H Hall1,2, Joy J Geng3,4
1Department of Psychology, University of California Davis, Davis, CA, 95616, USA. ehhall@ucdavis.edu.
Memory & cognition
|March 26, 2024
概括
记忆编码期间的选择性注意力导致边界收缩,在边缘附近的细节被遗忘. 当参与者在场景中搜索目标时,观察到这种效应,影响记忆回忆.
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.
- 记忆研究 记忆研究
背景情况:
- 场景记忆涉及诸如边界收缩 (忘记边缘细节) 和延伸 (超越边缘) 等转换.
- 以前的研究表明,图像组成会影响这些边界转换.
- 选择性注意力在驱动这些记忆效应中的作用仍在研究中.
研究的目的:
- 调查这样的假设,即在编码时的选择性注意力驱动场景记忆中的边界转换效应.
- 具体来说,要确定是否将注意力集中在特定对象上导致边界收缩.
主要方法:
- 两个小组 (每个小组N=36) 记住了15个场景.
- 一组在编码过程中执行了对场景中的目标的视觉搜索任务.
- 另一组只记住了场景.
- 参与者后来从记忆中绘制了场景;在线工作者对边界转换,物体计数和空间精度的绘图进行了评分.
主要成果:
- 搜索组的图纸与仅记忆组相比,表现出明显更大的边界收缩.
- 目标对象在搜索条件中更频繁地被召回.
- 其他场景对象的回忆随着距离目标对象的距离的增加而减少.
结论:
- 在编码过程中通过搜索任务诱导的选择性注意力,显著增强了场景记忆中的边界收缩.
- 对特定物体的注意力影响记忆场景的空间范围,导致回忆边界的缩小.
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