任务终止触发自发地从视觉工作记忆中删除信息
Hiroyuki Tsubomi1, Keisuke Fukuda2,3, Atsushi Kikumoto4
1School of Humanities, University of Toyama.
Psychological science
|June 24, 2024
概括
视觉工作记忆 (WM) 内容在不再需要时自发删除,证明了WM.
科学领域:
- 认知神经科学 认知神经科学
- 心理学 心理学 心理学
背景情况:
- 工作记忆 (WM) 对于以目标为导向的行为至关重要,保持与任务相关的信息.
- 之前的研究缺乏直接证据证明WM内容的自发去除.
- 战略性资源重新分配往往混了关于WM维护的研究.
研究的目的:
- 提供直接的神经和行为证据,自发删除视觉工作记忆内容.
- 调查独立于战略资源重新分配的WM内容删除.
主要方法:
- 在442名成年参与者中利用神经和行为指标.
- 设计实验以隔离自发的WM内容删除.
- 在信息过时后不到1秒的时间内评估WM内容.
主要成果:
- 视觉工作记忆中的内容在很大程度上在变得过时后的1秒内被删除.
- 这种移除发生自发,没有战略性资源重新分配.
- 有证据支持视觉工作记忆的目标导向性.
结论:
- 视觉工作记忆是一个内在的目标导向系统.
- 自发删除过时信息是容量有限的WM的一个关键机制.
- 这一过程使WM能够适应动态的环境需求.
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