Figure 3From: Sensitivity of temporal heart rate variability in Poincaré plot to changes in parasympathetic nervous system activity Errorbars of SD 1, SD 2 and CCM. Errorbar (n = 5) of log(SD 1), log(SD 2) and log(CCM) for Atropine, 70° head-up tilt, baseline and scopolamine phase. All values were calculated for short segment (~ 20 minutes) RR interval time series signal.Back to article page