Fig. 9From: Cerebral arterial flow dynamics during systole and diastole phases in young and older healthy adultsCorrelation between the duration of systole (left) and diastole (right) phases with heart rate assessed at the extracranial (green) and intracranial (blue) planes in HYV (top) and HEV (bottom). R is Spearman’s correlation coefficient (**: p < .01, ***: p < .001). HYV: healthy young volunteer; HEV: healthy elderly volunteerBack to article page