白质微结构变化与婴儿期情绪反应和调节的发展之间的关联
Yicheng Zhang1, Layla Banihashemi2, Amelia Versace2
1University of Pittsburgh Swanson School of Engineering, Department of Bioengineering, Pittsburgh, PA, USA. yiz170@pitt.edu.
Molecular psychiatry
|April 22, 2025
概括
婴儿早期白质微观结构的变化与情绪调节的发展有关. 关键大脑路径的变化可能标志着未来的情绪失调,为情绪障碍提供了潜在的早期标志物.
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
- 儿科 儿科 儿科
背景情况:
- 婴儿的情绪反应和调节缺陷预测了以后的情感和行为障碍.
- 对于情绪调节至关重要的白质 (WM) 管道在出生后的第一年迅速发展.
- 在早期发育中识别神经标记可以揭示病理生理过程.
研究的目的:
- 检查白质微观结构发育与婴儿情绪调节之间的关系.
- 用先进的成像技术识别情绪失调的早期神经标志物.
主要方法:
- 利用神经元导向分散和密度成像 (NODDI) 来评估3至9个月龄的婴儿的白质完整性 (n=39).
- 使用神经元密度指数 (NDI) 和方向分散指数 (ODI) 测量微观结构变化,在特定的WM区域 (结束,无结束,小).
- 在NODDI测量的相关变化与情绪反应的变化 (积极的情绪,可感受性).
主要成果:
- 增加的ODI在右侧未切割的囊 (UF),小子 (FM) 和左侧环膜束 (CB) 与降低的化能力相关.
- 右侧UF的NDI增加与积极情绪 (PE) 的较小增加有关.
- 这些发现表明,WM通道的微观结构变化与情绪发育中断有关.
结论:
- 婴儿白质微观结构 支持情绪调节的通道的变化与情绪发育的改变有关.
- 这些发现可能提供早期的神经标记,用于识别有情绪失调风险的婴儿.
- 了解这些早期标志物对预测未来的情感和行为轨迹有影响.
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