与压力相关的网络结构功能性质的个性化识别值和HPA轴对下值低压的反应性
Youze He1,2, Baoru Zhao1, Zhihan Liu1
1College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China.
Translational psychiatry
|December 23, 2024
概括
改变的大脑网络连接和皮质醇水平的增加与患有下值抑郁症 (StD) 的人有关. 结合这些标志物可以有效地识别性病,帮助未来的诊断方法.
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.
- 医疗成像医学成像
背景情况:
- 抑郁症与与压力有关的神经网络和下丘脑-垂体-上腺 (HPA) 轴的改变有关.
- 在抑郁症中观察到结构功能连接 (SC-FC) 合改变,但它们在下值抑郁症 (StD) 中的作用尚不清楚.
- SC-FC合,HPA轴反应性和抑郁症早期检测之间的关系需要进一步研究.
研究的目的:
- 调查SC-FC合在患有性病的个体中的特征.
- 为了检查SC-FC合,HPA轴反应 (皮质醇水平) 和StD之间的关联.
- 评估SC-FC合和皮质醇水平的联合预测能力,以区分性病与健康对照 (HC).
主要方法:
- 一项涉及117名STD个人和43名HC的横截面研究,应用了倾向性得分匹配.
- 使用功能性MRI和扩散张力成像来评估SC-FC合和网络拓.
- 测量了皮质醇水平和抑郁症的严重程度;支持矢量机模型被用于分类.
主要成果:
- 染病患者表现出增加的默认模式网络 (DMN) SC-FC合和DMN和前对对对控制网络的总效率下降.
- 与HC相比,在性病组中,皮质醇分泌量显著增加.
- 在性病患者中,DMN合和皮质醇水平之间发现了正相关性.
结论:
- 这项研究揭示了明显的SC-FC合模式和性病中的高皮质醇,突出了神经网络与HPA轴之间的相互作用.
- 结合DMN SC-FC合和皮质醇水平,在区分性传播性疾病方面表现出高精度 (85.71%) 和AUC (0.894) .
- 这些发现表明,整合神经成像和内分泌标志物可能会改善早期检测和理解下值抑郁状态.
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