Fig. 2From: Effect of acupuncture-like stimulation on cortical cerebral blood flow in aged ratsRelationships between intensities of electro-acupuncture stimulation of a forepaw and magnitude of increase in the CBF in aged rats. a Sample recordings of CBF in a 35-month-old rat. b Summarized graph of relationships between stimulus intensity and magnitude of increase in the CBF (n = 6 in 6 rats). Other details are the same as in Fig. 1 Back to article page