神经病症与大脑结构性结果之间的关联:通过血管和精神条件的调解
Yaqing Gao1, Bernd Taschler2, Najaf Amin1
1Nuffield Department of Population Health, University of Oxford, Oxford, UK.
Psychological medicine
|November 14, 2025
概括
高度的神经病症与大脑灰质减少和白质改变有关,特别是在thalamic辐射中. 管理高血压,抑郁和焦虑可能有助于保护大脑健康.
科学领域:
- 神经成像是一种神经成像.
- 精神病学是一个精神病学.
- 遗传学 是一个遗传学.
背景情况:
- 神经症是一种人格特质,与心血管和精神疾病,认知能力下降和痴呆风险有关.
- 这种关联背后的神经机制仍然不清楚.
- 了解大脑结构与神经病症的关系可能会揭示干预目标.
研究的目的:
- 为了调查神经病症和结构神经成像指标之间的大脑范围的关联.
- 使用孟德尔随机化探索潜在的因果关系.
- 评估健康状况在这些协会中的调解作用.
主要方法:
- 在36901名英国生物库参与者中检查了神经病变和T1,T2加权和扩散MRI指标之间的关联.
- 使用双向双样本的门德尔随机化进行因果推理.
- 评估了通过抑郁,焦虑,高血压,缺血性心脏病 (IHD) 和糖尿病进行调解.
主要成果:
- 更高的神经病变与额头和边缘灰质体积的减少以及白质微观结构的改变相关,特别是在体辐射中.
- 遗传分析表明神经病症与thalamic辐射扩散性增加之间存在因果关系.
- 高血压介导神经病对灰色和白质的影响;抑郁和焦虑介导对白质的影响.
结论:
- 神经病症与广泛的结构性大脑差异有关,影响大脑健康.
- 针对血管 (高血压) 和心理健康 (抑郁症,焦虑症) 可能会减轻神经病对大脑的不良影响.
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