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首页> 美国卫生研究院文献>Sensors (Basel Switzerland) >Quantitative Analysis of EEG Power Spectrum and EMG Median Power Frequency Changes after Continuous Passive Motion Mirror Therapy System
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Quantitative Analysis of EEG Power Spectrum and EMG Median Power Frequency Changes after Continuous Passive Motion Mirror Therapy System

机译：连续被动运动镜治疗系统后脑电功率谱和肌电中频变化的定量分析

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摘要

Robotic mirror therapy (MT), which allows movement of the affected limb, is proposed as a more effective method than conventional MT (CMT). To improve the rehabilitation effectiveness of post-stroke patients, we developed a sensory stimulation-based continuous passive motion (CPM)-MT system with two different operating protocols, that is, asynchronous and synchronous modes. To evaluate their effectiveness, we measured brain activation through relative and absolute power spectral density (PSD) changes of electroencephalogram (EEG) mu rhythm in three cases with CMT and CPM-MT with asynchronous and synchronous modes. We also monitored changes in muscle fatigue, which is one of the negative effects of the CPM device, based on median power frequency (MPF) and root mean square (RMS). Relative PSD was most suppressed when subjects used the CPM-MT system under synchronous control: 22.11%, 15.31%, and 16.48% on Cz, C3, and C4, respectively. The absolute average changes in MPF and RMS were 1.59% and 9.78%, respectively, with CPM-MT. Synchronous mode CPM-MT is the most effective method for brain activation, and muscle fatigue caused by the CPM-MT system was negligible. This study suggests the more effective combination rehabilitation system for MT by utilizing CPM and magnetic-based MT task to add action execution and sensory stimulation compared with CMT.
机译：与常规MT（CMT）相比，机器人镜疗法（MT）可以使患肢活动，是一种更有效的方法。为了提高中风后患者的康复效果，我们开发了一种基于感官刺激的连续被动运动（CPM）-MT系统，该系统具有两种不同的操作协议，即异步和同步模式。为了评估其有效性，我们通过异步和同步模式的CMT和CPM-MT在3例患者中通过脑电图（EEG）的心律的相对和绝对功率谱密度（PSD）变化来测量大脑的激活。我们还根据中频功率频率（MPF）和均方根（RMS）监视了肌肉疲劳的变化，这是CPM设备的负面影响之一。当受试者在同步控制下使用CPM-MT系统时，相对PSD受最大抑制：分别对Cz，C3和C4而言分别为22.11％，15.31％和16.48％。 CPM-MT的MPF和RMS的绝对平均变化分别为1.59％和9.78％。同步模式CPM-MT是激活大脑的最有效方法，而CPM-MT系统引起的肌肉疲劳可以忽略不计。这项研究表明，与CMT相比，通过使用CPM和基于磁性的MT任务来增加动作执行和感觉刺激，可以更有效地实现MT的组合康复系统。

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