目的：应用心率变异性的频域指标探讨肌电生物反馈中的心脏自主神经系统功能活动的量化改变。
Objective: to explore the change of activities of the cardiac autonomic nervous system in the EMG biofeedback with the quantified index of heart rate variability (HRV).
目的：应用心率变异性的频域指标探讨肌电生物反馈中的心脏自主神经系统功能活动的量化改变。
Objective: to explore the change of activities of the cardiac autonomic nervous system in the EMG biofeedback with the quantified index of heart rate variability (HRV).
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