与童年虐待相关的皮质结构差异在以前没有接受过治疗的患有严重抑郁症的早期成年人和健康的对照人之间
Azi Shen1, Yinghong Huang2, Haowen Zou1
1Nanjing Brain Hospital, Clinical Teaching Hospital of Medical School, Nanjing University, Nanjing, China.
Progress in neuro-psychopharmacology & biological psychiatry
|September 11, 2025
概括
儿童虐待 (CM) 在严重抑郁症 (MDD) 患者与健康对照 (HC) 患者的脑结构发生了不同的改变. 患有CM的MDD患者显示大脑体积减少,而患有CM的HC显示神经适应性变化,表明弹性标记.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 脑部成像 脑部成像
背景情况:
- 童年虐待 (CM) 是主要抑郁症 (MDD) 的重要危险因素.
- 然而,并非所有暴露于创伤的个体都会患上临床抑郁症,这表明潜在的神经生物学差异.
- 了解CM对成年早期大脑结构的影响对于识别脆弱性和弹性因素至关重要.
研究的目的:
- 调查CM和MDD对早期成年人大脑皮层形态的相互作用影响.
- 为了检查CM如何影响MDD和没有MDD的个体的皮质结构不同.
- 为了确定潜在的神经生物学标志物与MDD脆弱性或弹性相关的CM.
主要方法:
- 采用了2x2的因子设计,比较患有MDD的个体和健康的对照 (HC),以及有或没有CM史的人.
- 利用顶点通知的一般线性模型进行皮质形态的全脑分析.
- 进行了兴趣区域 (ROI) 分析,专注于中间前额叶皮质,以探索特定的神经解剖学变化.
主要成果:
- 在MDD组中,CM与双边前体积和左体厚度显著减少有关.
- 相反,在HC组中,CM与双边前皮质皮质体积增加和左皮质厚度增加有关.
- 投资回报率分析显示了各组cACC厚度的差异,以及HC中的特定类型的忽视/滥用和皮质厚度/体积之间的相关性,但不是MDD.
结论:
- 童年虐待会在患有MDD的个体中引发明显的皮质异常.
- 暴露于CM的健康对照可能会表现出神经适应性反应,这表明有弹性机制.
- 这些发现突出了潜在的神经生物学标志物,区分了CM后MDD的脆弱性和弹性.
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