在成年后期增加情绪控制网络的功能整合
Leona Rahel Bätz1, Shuer Ye1, Xiaqing Lan1
1Kavli Institute for Systems Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway.
bioRxiv : the preprint server for biology
|April 25, 2024
概括
支持情绪调节的大脑网络显示与年龄相关的变化. 老年人表现出在情绪控制网络中的功能整合增加,但在内省和反思网络中的整合减少.
科学领域:
- 神经科学是一个神经科学.
- 认知老龄化 认知老龄化
- 大脑网络分析 脑网络分析
背景情况:
- 情绪调节能力通常稳定或随着年龄的增长而改善.
- 情绪调节网络中与年龄相关的变化的神经支尚未得到充分理解.
- 大规模的功能性大脑网络对于处理情绪至关重要.
研究的目的:
- 研究情绪调节网络的功能拓在成年人一生中如何变化.
- 检查情绪调节网络的整合与老龄化中的心理健康之间的关联.
- 在功能性脑网络架构中识别与年龄相关的拓变化.
主要方法:
- 利用了大规模的神经成像数据集:人类结合体项目 (HCP-Aging) 和剑桥衰老与神经科学中心 (Cam-CAN).
- 分析了四个已识别的大规模功能性大脑网络中的功能连接,以及它们之间的功能连接,这些网络涉及情绪.
- 与年龄和精神健康指标相关联的网络整合措施.
主要成果:
- 在老年人中发现情绪控制网络的功能整合增加,在两个数据集中复制.
- 观察到功能整合在网络中减少,在较高年龄中调解情绪产生,调节,自我观察和反思.
- 确定了网络集成和年龄之间的重要关联.
结论:
- 情绪调节网络的功能架构在成年人一生中经历了重大拓变化.
- 更多地融入情绪控制网络可能会支持老化过程中稳定或改善情绪调节.
- 随着年龄的增长,内观/反思网络的整合程度下降,需要进一步研究认知和情绪健康.
- 了解这些网络变化是理解情绪衰老和保持心理健康的关键.
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