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Updated: Jan 31, 2026

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功能和白质结构性大脑网络的关联在老年人中大脑小血管疾病与认知障碍
Yumeng Gu1, Jing Zhao1, Wenjun Feng1
1Department of Neurology, Second Hospital of Tianjin Medical University, 300211 Tianjin, China.
Journal of integrative neuroscience
|January 29, 2026
概括
大脑小血管疾病 (CSVD) 损害了大脑网络的效率,并增加了结构功能连接 (SC-FC) 合. 富人俱乐部中断与老年CSVD患者的认知障碍有关.
科学领域:
- 神经科学是一个神经科学.
- 医疗成像医学成像
- 网络科学 网络科学
背景情况:
- 大脑小血管疾病 (CSVD) 是老年人认知障碍的常见原因之一.
- 了解潜在的大脑网络的改变对于开发有效的干预措施至关重要.
研究的目的:
- 研究老年CSVD患者的拓性脑网络特性,网络内部和网络间的模式,丰富的俱乐部组织和结构功能合.
- 探索这些网络特征与认知障碍之间的关联.
主要方法:
- 264名参与者 (对照组,没有MCI的CSVD,有MCI的CSVD) 接受了神经心理测试和多模式MRI.
- 图形理论分析应用于结构性和功能性大脑网络.
- 研究人员检查了网络指标,特定的大脑网络 (DMN,FPCN,DAN),丰富俱乐部连接,SC-FC合和认知得分之间的关联.
主要成果:
- 在CSVD患者中表现出显著的全球和节点拓干扰.
- 在关键大脑网络 (DMN,FPCN,DAN) 内和之间观察到功能连接 (FC) 的改变.
- 在CSVD患者中发现SC-FC合和富人俱乐部组织受损,与认知表现相关.
结论:
- CSVD与网络效率降低和SC-FC合增加有关.
- 改变的FC模式可能代表补偿机制,而富人俱乐部的破坏是认知障碍的关键指标.
- 这些发现强调了网络功能障碍是CSVD相关认知衰退的关键因素.
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