他们还测量了控制心率节律的交感神经与副交感神经平衡的——心率自主调节(CAM)。
They also measured cardiac autonomic modulation (CAM), the balance of the sympathetic and the parasympathetic control of the heart rate rhythm.
心率变异性(HRV)分析是反映支配心脏自主神经活性的一项无创性指标。
Heart rate variability (HRV) has been proposed as a noninvasive means to monitor the autonomic nervous activity of the heart.
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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