Does Action Observation of the Whole Task Influence Mirror Neuron System and Upper Limb Muscle Activity Better Than Part Task in People With Stroke?

IF 1.8 Q3 PERIPHERAL VASCULAR DISEASE Stroke Research and Treatment Pub Date : 2024-10-05 eCollection Date: 2024-01-01 DOI:10.1155/2024/9967369
A Sulfikar Ali, Mayur Bhat, Hari Prakash Palaniswamy, Selvam Ramachandran, Senthil D Kumaran
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Abstract

Background: Task-based action observation and imitation (AOI) is a promising intervention to enhance upper limb (UL) motor function poststroke. However, whether whole/part task must be trained in the AOI therapy needs further substantiation. Objective: The objective of this study is to assess and compare the mirror neuron activity and UL muscle activity during AOI of reaching task in terms of whole task (complete movement) and part task (proximal arm movements and distal arm movements). Methods: In this cross-sectional study, 26 participants with first-time unilateral stroke were asked to observe the prerecorded videos of a reaching task in terms of a whole task and proximal and distal components, followed by imitation of the task, respectively. Electroencephalographic (EEG) mu rhythm suppression and electromyographic amplitude of six UL muscles were measured during the task. Results: The analysis of EEG revealed a statistically significant mu suppression score, indicating mirror neuron system activity, during AOI of the whole task in C3 (p = <0.001) and C4 (p = <0.001) electrodes compared to the part task. Percentage maximum voluntary contraction amplitudes of the deltoid (p = 0.002), supraspinatus (p = <0.001), triceps brachii (p = 0.002), brachioradialis (p = 0.006), and extensor carpi radialis (p = <0.001) muscles showed a significant increase in muscle activity during AOI of the whole task. Also, there seems to be a task observation-specific activation of muscles following AOI of proximal or distal tasks. Conclusion: The practice of the whole task should be given emphasis while framing the AOI treatment module to enhance reaching in people with stroke. Trial registration: Clinical Trials Registry-India (CTRI) identifier: CTRI/2018/04/013466.

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对整个任务的动作观察比部分任务更能影响脑卒中患者的镜像神经元系统和上肢肌肉活动吗?
背景:以任务为基础的动作观察和模仿(AOI)是一种很有前途的干预方法,可增强中风后的上肢运动功能。然而,AOI疗法中是否必须进行整体/部分任务训练尚需进一步证实。研究目的本研究的目的是评估和比较在伸手任务的AOI过程中,镜像神经元活动和UL肌肉活动在整体任务(完整运动)和部分任务(近端手臂运动和远端手臂运动)方面的情况。研究方法在这项横断面研究中,26 名首次单侧脑卒中患者被要求分别从整体任务、近端和远端部分观察预先录制的伸手任务视频,然后模仿该任务。在任务过程中测量了脑电图(EEG)μ节律抑制和六块UL肌肉的肌电图振幅。结果显示脑电图分析显示,在整个任务的AOI过程中,C3(p = p = p = 0.002)、冈上肌(p = p = 0.002)、肱肌(p = 0.006)和桡侧伸肌(p = 结论:在整个任务的AOI过程中,C3、冈上肌、肱肌和桡侧伸肌的μ节律抑制得分具有统计学意义,表明镜像神经元系统存在活动:在设计 AOI 治疗模块时,应重视整个任务的练习,以提高中风患者的伸手能力。试验注册:印度临床试验注册中心(CTRI)标识符:CTRI/2018/04/013466.
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来源期刊
Stroke Research and Treatment
Stroke Research and Treatment PERIPHERAL VASCULAR DISEASE-
CiteScore
3.20
自引率
0.00%
发文量
14
审稿时长
12 weeks
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