认知训练效应更多是由个人的大脑动态形成的,而不是年龄证据来自年轻和年长的女性
Zsófia Anna Gaál1, Petia Kojouharova1, Boglárka Nagy1
1Institute of Cognitive Neuroscience and Psychology, HUN-REN Research Centre for Natural Sciences, Budapest, Hungary.
GeroScience
|December 11, 2025
概括
认知衰老更多的是关于个人的大脑模式,而不是群体差异. 认知训练效果是个性化的,突出了老年人独特的神经适应.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 老年学是一门学科.
背景情况:
- 认知衰老研究往往侧重于年轻人和老年人之间的群体差异.
- 众所周知,随着年龄的增长,大脑的结构和功能发生变化.
- 人们越来越认识到个体在认知衰老中的作用.
研究的目的:
- 研究认知训练对年轻和年长女性功能性大脑连接的影响.
- 检查个人差异和年龄如何影响大脑连接模式.
- 探索个性化的神经适应认知需求和训练.
主要方法:
- 使用脑电图 (EEG) 功能连接性分析.
- 参与者 (年轻和年长的女性) 在认知训练或控制期之前和之后接受了任务交换范式.
- 分析了跨稳定特征 (个体,年龄) 和动态状态 (任务,训练效应) 的差异.
主要成果:
- 年龄只解释了大脑连接的一小部分变异;个人自我相似性占主导地位,特别是在老年人中.
- 认知训练效应在群体层面上是适度的,但高度个性化,根据个体神经特征而有所不同.
- 参与者在任务中使用了不同的和个人特有的神经网络,表明了个性化的适应.
- 老年人表现出对个体网络模式的转变,这表明神经专业化和补偿.
结论:
- 认知衰老的特点是显著的个体变化,挑战纯粹的群体层面的观点.
- 功能性大脑连接高度个性化,即使在同一个任务中也具有独特的神经配置.
- 了解个体大脑动态对于研究认知衰老和训练反应能力至关重要.
- 老年人表现出个性化的神经战略,可能涉及专业化和补偿,以满足认知需求.
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