Auricular Acupuncture at the “Shenmen” and “Point Zero” Points Induced Parasympathetic Activation
Figure 2
Time course of change in low frequency (LF)/high frequency (HF) ratio of heart rate variability. Horizontal bars represent medians, boxes represent the 25th and 75th percentile ranges, and T bars represent the 5th and 95th percentile ranges. *Different from 23 : 00 (). #Different from the acupuncture group ().