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人类杏仁核从青春期到成年期表现出不同的发育轨迹,其功能与前额外回路的功能整合
Amar Ojha1, Will Foran2, Finnegan J Calabro3
1Center for Neuroscience, University of Pittsburgh, Pittsburgh, PA, USA; Center for the Neural Basis of Cognition, University of Pittsburgh, Pittsburgh, PA, USA.
Cell reports
|September 14, 2025
概括
这项研究揭示了桃体和前额叶皮层 (PFC) 之间的大脑连接在青春期如何成熟. 功能连接的这些发育变化对于健康的认知和情感控制至关重要.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 认知科学 认知科学
背景情况:
- 青少年的神经发育涉及情感和认知控制系统的关键成熟.
- 杏仁体和前额叶皮层 (PFC) 之间的精细连接是健康功能的基础.
- 由于技术挑战,对于这些过程至关重要的前-桃体连接的特征很差.
研究的目的:
- 在健康的青少年和年轻人中检查杏仁核和PFC子区域之间的功能连接的发育轨迹.
- 为了研究这些连接模式如何随着年龄的增长而变化.
- 探索功能连接性可变性和情感和认知控制中的个体差异之间的关系.
主要方法:
- 利用了来自10-32岁的143名健康参与者的多式纵向7特斯拉神经成像数据.
- 分析了杏仁核和PFC子区域之间的特定主体的功能连接.
- 采用数据驱动的元分析解码方法来识别功能专业化.
主要成果:
- 在特定的PFC子区域 (侧面PFC,腹部PFC,前带皮层) 和杏仁核 (底侧杏仁体,中央杏仁体,皮质杏仁体过渡区域) 之间确定了与年龄相关的功能连接性变化.
- 发现连接强度的变化与情感和认知控制的个体差异相关.
- 在杏仁核和发育过程中表现出功能专业化,与动物模型一致.
结论:
- 这项研究阐明了支持情感和认知控制的前额桃体电路的发育成熟.
- 这些发现突显了杏仁体的异质性和不同子电路在适应性功能中的作用.
- 这项研究为我们了解在敏感的发育期中,大脑可塑性升高的精神病风险提供了信息.
关键词:
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