绘制结构和功能连接组的单个皮质 - 基底 - 丘脑 - 皮质电路:对上肢运动损伤和中风后的后果的影响
Xin Xue1, Jia-Jia Wu1,2, Xiang-Xin Xing3
1Department of Rehabilitation Medicine Yueyang Hospital of Integrated Traditional Chinese and Western Medicine Shanghai University of Traditional Chinese Medicine Shanghai China.
MedComm
|October 8, 2024
概括
个性化脑电路映射揭示了中风运动恢复的关键联系. 与标准方法相比,这种方法可以更好地预测上肢功能,从而引导更好的脑刺激策略.
科学领域:
- 神经科学是一个神经科学.
- 神经学 神经学
- 医疗成像医学成像
背景情况:
- 脑卒中往往会损害运动功能,原因是大脑电路中断.
- 评估大脑连接的传统方法可能无法捕捉中风后的个体特异性变化.
- 优化大脑刺激需要精确了解受影响的神经通路.
研究的目的:
- 为了研究中风后皮质 - 基底 - 甲状腺 - 甲状腺 - 皮质 (CBTC) 电路的功能连接性 (FC) 改变.
- 确定影响上肢运动恢复的关键连接.
- 为了比较个体特异性CBTC电路映射与基于图谱的预测运动功能的方法的有效性.
主要方法:
- 使用概率追踪和voxel连接配置文件,对个别特定的CBTC并行循环的划定.
- 在中风后患者和健康对照中计算FC值.
- 支持矢量机 (SVM) 和基于Connectome的预测建模 (CPM) 的应用用于分类和预测.
主要成果:
- 脑卒中后的患者在个体特定的CBTC电路内表现出降低的ipsilesional连接性.
- 个人特定的并行循环通过SVM实现了82.8%的准确性,通过SVM将患者与对照区分开来.
- 使用个人特定电路的CPM显著预测了上肢运动功能的得分.
结论:
- 个别特定的平行CBTC循环为中风后的运动功能评估提供了卓越的预测能力.
- 精确地绘制与疾病相关的电路对于理解中风引起的大脑重组至关重要.
- 这种方法有可能优化针对性大脑调制策略,用于中风康复.
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