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KMID : 1142620210130020071
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Korea Aging Friendly Industry Association
2021 Volume.13 No. 2 p.71 ~ p.80
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The Effects of Self-observation Training and Action Observation Training on EEG in Patients with Chronic Stroke
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Kim Yong-Seong
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Abstract
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Objective: The purpose of this study was to apply self-observation training and motion observation train ing to chronic stroke patients, compare changes in brain waves according to the training method to identify the effectiveness of the two training on brain activation, and present it as an inter vention method in clinical practice.
Methods: In this study, 10 people in the self-observation training group, 10 in the motion observation training group, and 10 in the control group were randomly assigned to chronic stroke patients. All participants received routine exercise therapy comprising five sessions of 30 minutes per a week for four weeks. The self-observation training group and action observation training group, in addition, received experimental sessions comprising three sessions per a week for four weeks. In each session, participants of self-observation training and action observation training group ob served five minutes of video showing balance and functional walking training of him/herself or other person depending on group assignment, and performed body training for ten minutes, and repeated the course once more. The brain wave measured using electroencephalogram(EEG) and alpha wave, beta wave, SMR, and SEF-50 were analyzed. The pre-post comparison within each groups were performed by t-test and the difference among changes of each group were per formed by one-way ANOVA.
Results: The results of analysis showed that the brain waves that are significantly different between pre and post-test are beta wave, SMR, and SEF-50 in self-observation training group (p<.05) and SEF-50 in action observation training group (p<.05). The difference between pre- and post-test in SMR was more significant in self-observation training group compared to other two groups (p<.05), while these in SEF-50 was more significant in self-observation training and action ob servation training groups compared to control group.
Conclusion: The results of this study show that self-observation training and motion observation training are intervention methods that positively affect the improvement of brain waves in chronic stroke patients, especially self-observation training is more effective in improving concentration than motion observation training. It is believed that various studies on self-observation training and motion observation training are needed as intervention methods for brain activation in chronic stroke patients in the future.
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KEYWORD
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Stroke, Self-observation, Action observation, Brain wave
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