衰老对插曲性记忆检索的影响:价值如何影响神经功能连接
Marianna Constantinou1, Anna Pecchinenda2, Hana Burianová3
1Department of Psychology, Bournemouth University, Bournemouth BH12 5BB, UK.
NeuroSci
|November 25, 2024
概括
老年人表现出改变的大脑连接,影响情感记忆检索. 虽然年轻人的记忆受益于负面刺激,但老年人的记忆受到积极刺激的保护,这表明与年龄相关的神经适应.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 老年学是一门学科.
背景情况:
- 随着年龄的增长,情节性记忆力下降与大脑的结构和功能变化有关.
- 情绪刺激可以调节记忆性能和大脑活动.
研究的目的:
- 研究年龄相关的大脑变化如何影响情绪刺激暴露后在情节性记忆检索期间的功能连接.
- 检查积极,消极和中性情绪刺激后的大脑反应和连接模式的年龄组差异.
主要方法:
- 功能磁共振成像 (fMRI) 用于测量大脑活动.
- 多变量模式分析 (MVPA) 用于确定特定年龄组的大脑区域.
- 基于种子的连接 (SBC) 分析来评估功能连接.
主要成果:
- 老年人在负面刺激后表现出与年龄相关的记忆性能下降,但在积极刺激后保持了性能.
- 在负面情绪刺激后,年轻人表现出功能连接性增加.
- 老年人表现出较少的连接性增加,主要是在积极的情绪刺激之后.
结论:
- 情绪价值差异影响年轻人与老年人的记忆性能和功能连接性.
- 功能连接的年龄相关变化可能会调解情绪对记忆的影响.
- 研究结果表明,需要为老年人制定量身定制的记忆支持策略,考虑到情感影响.
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