在精神分裂症患者中重叠社区的异常动态重建
Yuxiang Guo1, Xubin Wu2, Yumeng Sun2
1School of Software, Taiyuan University of Technology, No.209, University Street, Jinzhong 030600, China.
精神分裂症患者表现出大脑网络组织的改变,在动态的重叠社区中稳定性和活动减少. 这些变化可能反映出大脑信息处理受损.
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.
- 计算生物学 计算生物学
背景情况:
- 精神分裂症 (SZ) 是一种复杂的精神疾病,其特点是大脑功能受到干扰.
- 了解大脑网络的动态性质对于阐明SZ病理生理学至关重要.
研究的目的:
- 为了研究精神分裂症患者动态重叠的大脑社区的变化.
- 确定与SZ相关的网络重组的具体模式.
主要方法:
- 休息状态功能性MRI (rs-fMRI) 数据来自43名SZ患者和49名正常对照 (NC).
- 动态功能连接分析和杰克刀相关性来构建动态大脑网络模型.
- 动态重叠社区检测以评估结构稳定性,节点功能多样性和社区活动水平.
主要成果:
- 精神分裂症患者显示大脑社区的结构稳定性降低.
- 在SZ患者中观察到重叠节点的功能多样性减少.
- 与NC相比,SZ患者在重叠社区中的活动水平明显较低.
结论:
- 大脑功能网络组织在精神分裂症中被破坏.
- 在SZ患者中,用于信息处理和传输的大脑网络的活动减弱.
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