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在中风后执行功能障碍中休息状态连接和基于任务的皮质反应:一项fNIRS研究

Kayee Chong1,2, Songmei Chen3, Xixi Chen2,4

  • 1Body & Soul Medical Clinics, Shanghai, China.

Neuroimage. Reports
|June 26, 2025
PubMed
概括

脑卒中后执行功能障碍 (PSED) 患者表现出大脑连接的改变. 功能近红外光谱 (fNIRS) 在Stroop任务中显示了补偿性超连接性,并在1-back任务中显示了不适应性低连接性,影响了执行功能 (EF).

关键词:
皮层激活活动功能性的连接性 功能性的连接性功能性近红外光谱学 (fNIRS) 是一种功能性近红外光谱学.神经重组的神经重组脑卒中后的执行功能障碍 (PSED)

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科学领域:

  • 神经科学是一个神经科学.
  • 认知神经学 认知神经学

背景情况:

  • 在中风后,执行功能障碍很常见,影响日常生活.
  • 了解中风后执行功能障碍 (PSED) 中执行功能 (EF) 的神经重组对于有效的康复至关重要.

研究的目的:

  • 通过使用功能近红外光谱学 (fNIRS) 来研究PSED患者的前端平面皮层重组.
  • 在Stroop和1-back任务期间分析休息状态和基于任务的功能连接 (FC).

主要方法:

  • 在20名PSED患者和20名健康对照者 (HCs) 中,fNIRS记录了关键大脑区域的血液动力学反应.
  • 在休息状态,Stroop和1-back任务中对皮质激活和FC的组差异进行了比较.
  • 分析了认知得分 (MoCA),任务性能和神经反应之间的相关性.

主要成果:

  • 在与执行相关的区域中,PSED患者表现出减少的激活.
  • 斯特鲁普任务:从左下顶叶 (IPL) 到右布罗卡区域的补偿性跨半球超连接性观察到.
  • 1-背部任务:不适应的额外和内半球内低连接性,包括IPL和前极皮层 (FPC) 之间.

结论:

  • 皮质在PSED中发挥着重要作用,应该被纳入fNIRS研究.
  • 患有PSED的患者表现出不同的FC模式:在Stroop期间补偿性,在1-back期间不适应性.
  • 未来针对额叶和额叶皮层的神经调节策略可能会改善中风幸存者的认知结果.