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视觉和本体觉差异化条件下的平衡脑电传递熵网络分析方法
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作者 苏巧钻 罗志增 王哲远 《中国生物医学工程学报》 CAS CSCD 北大核心 2024年第3期286-294,共9页
平衡是人体完成各项运动的基础,现有人体平衡能力评估方法多基于外在表现。本研究以平衡中枢神经调节这一内源性角度为切入点,研究静力平衡调节过程的感觉运动皮层整合,分析大脑皮层的激活状态,建立静力平衡脑电传递熵网络。设计了视觉... 平衡是人体完成各项运动的基础,现有人体平衡能力评估方法多基于外在表现。本研究以平衡中枢神经调节这一内源性角度为切入点,研究静力平衡调节过程的感觉运动皮层整合,分析大脑皮层的激活状态,建立静力平衡脑电传递熵网络。设计了视觉输入和本体觉输入差异化条件下的实验范式,定义了平衡脑电的相位同步化准则,构建突破因果关系双节点分析模型,提出一种以平衡事件为驱动的传递熵网络分析方法。先将节点间的因果关系降级为相关关系,进而将因果关系的研究转移至功能脑区层面,以契合人体平衡协调过程脑区间信息传递的相位同步关系。在20名被试脑电数据的基础上,基于相位同步关系确定平衡事件的中枢神经调节时间段提取平衡脑电多种内源性特征,以网络聚类系数(C),最短路径(E)和最大李雅普诺夫指数(MLE)的特征组合[C,E,MLE],用支持向量机分类。与传统网络特征分类结果对比,平均分类准确率提升了14.66%。传递熵网络分析中补充最大李雅普诺夫后能更充分表达人体平衡调节的内在规律演进过程,提高了人体平衡的分类能力。 展开更多
关键词 人体平衡评估 平衡脑电 相位同步 传递熵
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Electro-Acupuncture for Treatment of Dysequillibrium Due to Cerebellum or Brain Stem Infarction
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作者 赵宏 刘志顺 +1 位作者 刘效娟 毛树章 《Journal of Traditional Chinese Medicine》 SCIE CAS CSCD 2003年第4期274-274,共1页
The authors treated 26 cases of dysequillibrium due tocerebellum or brain stem infarction byelectro-acupuncture from Aug 2000 - April 2002. Theresults were quite satisfactory and reported as follows.
关键词 Acupuncture Therapy ELECTROACUPUNCTURE ADULT Aged Brain Infarction Brain Stem Infarctions CEREBELLUM Female Humans Male Middle Aged Musculoskeletal Equilibrium
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Efficacy analysis on vertigo of cerebellar infarction at the recovery stage treated with electroacupuncture at the balance area and vertigo-auditory area of scalp acupuncture 被引量:3
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作者 毛庆菊 陈华林 WANG Fang 《World Journal of Acupuncture-Moxibustion》 2012年第4期37-40,55,共5页
Objective To explore the efficacy of electric stimulation at the balance area and vertigo-auditory area of scalp acupuncture for vertigo caused by cerebellar infarction. Methods One hundred cases of vertigo caused by ... Objective To explore the efficacy of electric stimulation at the balance area and vertigo-auditory area of scalp acupuncture for vertigo caused by cerebellar infarction. Methods One hundred cases of vertigo caused by cerebellar infarction at the recovery stage were randomized into a scalp acupuncture group and a conventional acupuncture group. In the scalp acupuncture group, on the basis of the routine drug therapy, the electric stimulation was applied to the balance area and vertigo-auditory area of scalp acupuncture. In the conventional acupuncture group, on the basis of the routine drug therapy, the conventional acupuncture was supplemented. The treatment was given once a day, 6 treatments made one session. The clinical efficacy was assessed after 4 sessions of treatment. The transcranial Doppler ultrasonography (TCD) was adopted in the scalp acupuncture group to observe the changes of the mean blood flow velocity (Vm) of the anterior cerebral artery (ACA), middle cerebral artery (MCA) and posterior cerebral artery (PCA) before and after treatment. Results After treatment, the total effective rate was 90.0% (45/50) in the scalp acupuncture group and was 68.0% (34/50) in the conventional acupuncture group, presenting the statistically significant difference in comparison (P0.05). After treatment, Vm of ACA and MCA was increased apparently as compared with that before treatment in the scalp acupuncture group. Conclusion The electric stimulation at the balance area and vertigo-auditory area of scalp acupuncture achieves the apparent efficacy on vertigo caused by cerebellar infarction at the recovery stage and improves obviously brain blood circulation. It is significant to promote this therapy in clinical practice. 展开更多
关键词 ELECTROACUPUNCTURE balance area vertigo-auditory area cerebellar infaction VERTIGO
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