列表组成如何影响年轻和老年人的情感增强记忆
Sandry M Garcia1, Maureen Ritchey1, Elizabeth A Kensinger1
1Department of Psychology and Neuroscience, Boston College, Chestnut Hill, MA, USA.
Cognition & emotion
|October 16, 2023
概括
老年人和年轻人都表现出对情感信息的增强记忆力,当它与中性内容混合时. 这种列表组合效应表明,情感记忆的稳定认知过程在整个生命周期内都存在.
科学领域:
- 认知心理学 认知心理学
- 衰老的神经科学 衰老的神经科学
- 人类的记忆 人类的记忆
背景情况:
- 年轻的成年人表现出立即的情感增强记忆 (EEM),特别是当情感和非情感信息以混合列表呈现时.
- 目前尚不清楚老年人是否同样受益于驱动列表构成效应的认知因素.
研究的目的:
- 调查是否列表组合效应,一种在混合列表中增强情绪刺激记忆的现象,延伸到老年人 (55+).
- 为了测试与年龄相关的认知衰退或积极性影响是否会改变老年人群中这种记忆增强.
主要方法:
- 进行了三项实验,比较年轻人和老年人的情感和非情感刺激的记忆性能.
- 实验1和2分别使用混合和纯图像和文字列表.
- 实验3操纵了编码和检索阶段,以确定两阶段混合呈现的必要性.
主要成果:
- 在年轻人和老年人中观察到图片和文字的列表组成效应,支持与年龄相关的稳定性假设.
- 在混合列表中,对情绪刺激的记忆增强在不同年龄组中是一致的.
- 仅在编码或检索过程中混合信息,而不是两者兼而有之,不会立即产生EEM.
结论:
- 通过列表组合来立即增强记忆 (EEM) 的认知过程在成年期都保持稳定.
- 年龄不会显著减少混合情绪和非情绪刺激对记忆回忆的好处.
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