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新的如何与旧的互动? 记忆过程中的海马体处理 编码具有远程或近距离内在语义相关性的创造性关联
Jingjing Yang1, Zhi Zhang1, Ziyi Li1
1Beijing Key Laboratory of Learning and Cognition, School of Psychology, Capital Normal University, Beijing, China.
Human brain mapping
|October 23, 2025
概括
海马及其神经网络通过调整基于语义相关性的表示来支持创造性关联的记忆. 这突显了大脑如何将新创意与现有知识相结合.
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
- 记忆研究 记忆研究
背景情况:
- 海马对于情节性记忆和创造性思维至关重要.
- 了解它在编码创造性关联中的作用,特别是那些建立在先前知识上的关联,是不清楚的.
- 在创意编码过程中,新旧关联之间的相互作用的神经表现需要研究.
研究的目的:
- 研究海马及其神经网络如何为创造性关联编码记忆.
- 检查预先存在的语义关联在创造性记忆形成期间对海马活动和连接性的影响.
- 探索新的创意协会和现有的语义网络之间的相互作用.
主要方法:
- 使用后续的记忆效应 (SME) 范式与fMRI扫描.
- 参与者学习了具有不同语义相关性 (近距离与远距离) 的创意组合 (对象替代使用).
- 多变量和单变量分析检查了海马的模式相似性,激活和功能连接性.
主要成果:
- 对于记住的创造性关联而言,更高的项目间海马图案相似性,无论相关性如何.
- 增强的海马激活与远程相关性创造性关联的成功记忆相关.
- 增加海马与前额叶和额叶皮层的连接性支持对密切相关性创造性关联的记忆.
结论:
- 依赖海马的过程和网络模式选择性地支持基于语义相关性的创造性关联的记忆.
- 这些发现表明,有不同的神经机制可以将新的创造性想法与近距离和远距离的现有语义知识相结合.
- 这项研究阐明了创造力和记忆力的神经基础,强调了海马的灵活作用.
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