变化程度的中心性和功能连接性在女孩中部早期青春期
Zhaoxia Qin1, Hang Qu2, Wenlong Zou3
1Department of Radiology, Medical Imaging Center, The Affiliated Hospital of Yangzhou University, Yangzhou University, 368 Hanjiang Middle Road, Yangzhou, 225001, China. qinzhaoxia@yzu.edu.cn.
Brain imaging and behavior
|November 26, 2024
概括
女孩中部早期青春期 (CPP) 改变了大脑发育,影响小脑和前额叶区域. 早期干预对于这些患者的认知和情绪健康至关重要.
科学领域:
- 神经科学是一个神经科学.
- 儿科内分泌学 儿科内分泌学
- 发展心理学 发展心理学
背景情况:
- 女孩中部早期青春期 (CPP) 存在心理,行为和大脑发育问题的风险.
- 将青春期激素与CPP相关的大脑变化联系在一起的确切机制在很大程度上是未知的.
研究的目的:
- 调查过早的下丘脑-垂体-淋巴结核 (HPG) 轴激活对CPP女孩大脑功能发育的影响.
- 使用度中心性 (DC) 分析来比较CPP和没有CPP的女孩的大脑网络特性.
主要方法:
- 一项涉及34名CPP女孩和25名年龄相匹配的对照的横截面研究.
- 使用了休息状态功能磁共振成像 (fMRI).
- 进行了度中心性 (DC) 和基于种子的功能连接性 (FC) 分析.
主要成果:
- 患有CPP的女孩在小脑后叶和前额叶区域增加了DC.
- 在CPP女孩中,小脑和默认模式网络 (DMN) 区域之间观察到增加的FC.
- 在CPP患者中,表皮和皮区域的DC降低,视觉通路的FC降低.
- 在基底卵泡刺激激素和DC之间发现了负相关性,在上方顶回旋中.
结论:
- 患有CPP的女孩中HPG轴的过早激活与皮质发育的改变有关,影响小脑,DMN以及前额,头顶和皮.
- 这些发现强调了需要早期临床关注和治疗CPP女孩的认知,情感和发育问题.
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