人类青少年大脑的相似性发展是不同的,对比新皮层区域对比对比对比对比
Lena Dorfschmidt1,2,3, František Váša4, Simon R White1
1Department of Psychiatry, University of Cambridge, Cambridge CB2 0SZ, United Kingdom.
概括
青少年的大脑发育显示了结构和功能网络的明显变化. 双边区域变得更加相互连接,而新皮层区域则变得更加专业,影响认知和情绪功能.
科学领域:
- 神经科学是一个神经科学.
- 发育神经科学的发展神经科学.
- 脑部成像 脑部成像
背景情况:
- 青少年的大脑发育对于成年人的认知和情绪至关重要.
- 了解青春期的结构和功能网络变化是关键.
研究的目的:
- 为了研究大脑结构和功能网络在青春期如何发展.
- 将形态相似性网络 (MSN) 的变化映射出来,以及它们与功能连接的关系.
主要方法:
- 利用了来自健康青少年的加速纵向磁共振成像 (MRI) 数据.
- 使用6个MRI指标来构建MSNs,估计皮质区域之间的形态相似性.
- 分析了形态相似性和功能连接性之间的合.
主要成果:
- 形态相似性在平边区域 (例如,胰岛,带膜皮层) 增加,但在新皮层区域下降.
- 增加的副边缘节点枢纽度与更强的结构功能合相关.
- 降低新皮层节点的枢纽度与较弱的结构-功能合和更多样化的功能连接相关.
结论:
- 在青春期,不同的神经发育程序塑造了不同的皮质区域.
- 新皮层区域在结构上变得更加差异化,功能上更具整合性.
- 双边区域专门用于情感和感知功能,经历发育过渡.
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