工作记忆中的基于价值的优先级是否可以增强长期记忆?
A L Atkinson1,2, A H Waterman3, R J Allen3
1Department of Psychology, Lancaster University, Bailrigg, Lancaster, UK. amy.atkinson@lancaster.ac.uk.
Memory & cognition
|February 20, 2024
概括
在工作记忆 (WM) 中优先考虑有价值的项目可以提高即时性能,但不能持续提高长期记忆 (LTM) 的回忆. 在WM中注意力的好处不会自动转移到LTM中.
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:
- 关注优先级可以提高工作记忆 (WM) 和长期记忆 (LTM) 任务的性能.
- 目前尚不清楚在WM中对项目进行优先排序是否直接有利于LTM的性能.
研究的目的:
- 调查WM任务中的注意力优先级是否会自动转化为改进的LTM.
- 检查基于价值的注意力效应从WM到LTM在不同编码持续时间的持久性.
主要方法:
- 两个实验进行了不同的编码时间 (每项250毫秒和500毫秒).
- 参与者执行了一项视觉WM任务,使用有价值的物品,然后在延迟完成后进行惊喜LTM测试.
- 识别准确度和响应时间在高价值对象和同等价值的对象之间进行了测量.
主要成果:
- 在WM中观察到可靠的价值效应,提高了高价值物品的识别精度和响应时间.
- 很少有一致的证据表明这种价值效应在LTM中自动持续存在.
- 在WM中注意力优先级的好处没有可靠地转移到LTM性能中.
结论:
- 在工作记忆中注意力优先级的好处并不总是转化为增强的长期记忆.
- 提高工作记忆性能的操纵不一定会提高长期记忆.
- 从WM到LTM的注意力优先级效应的自动转移是有限的.
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