奖励对记忆的保留,巩固和概括的影响?
Heidrun Schultz1, Hanna Stoffregen2,3, Roland G Benoit1,4,5
1Max Planck Research Group: Adaptive Memory, Max Planck Institute for Human Cognitive and Brain Sciences, 04103 Leipzig, Germany heidrun.schultz@cbs.mpg.de roland.benoit@colorado.edu.
Learning & memory (Cold Spring Harbor, N.Y.)
|September 7, 2023
概括
奖励会影响记忆,但这种影响是有限的. 这项研究发现,奖励并没有改善记忆巩固或将其概括为相关项目,突出了奖励对记忆影响的边界.
科学领域:
- 认知神经科学 认知神经科学
- 神经经济学 神经经济学
- 记忆研究 记忆研究
背景情况:
- 众所周知,奖励处理可以增强记忆力.
- 之前的研究表明,奖励会在编码和整合过程中影响记忆.
- 奖励效应对相关但不直接奖励的项目的概括性仍然不清楚.
研究的目的:
- 调查奖励对记忆的影响是否延伸到与情节相关的项目.
- 检查奖励对记忆编码和整合的影响.
- 确定奖励对关联记忆的影响的边界条件.
主要方法:
- 59名参与者偶然编码了对象场景的关联.
- 刺激被按典型的奖励水平 (高低) 分类.
- 记忆在编码后立即进行评估,并在24小时的延迟后进行评估.
主要成果:
- 奖励对记忆表现的整体影响有限.
- 没有观察到显著增强记忆巩固.
- 奖励效应并没有泛化到与事件相关的,低奖励的项目.
结论:
- 奖励对记忆的积极影响受到限制.
- 在这种模式下,奖励似乎没有增强记忆巩固.
- 奖励效应对相关刺激的概括是有限的,这表明存在特定的机制.
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