Fig. 9From: Facial nerve stimulation in normal pigs and healthy human volunteers: transitional development of a medical device for the emergency treatment of ischemic strokeGraph of the responders (≥ 25% change in cerebral blood flow) and the non-responders (< 25% change in cerebral blood flow) in the healthy volunteer study. Ten volunteers were classified as responders and 21 volunteers were classified as non-responders. Ten volunteers exhibited sweating as an adverse event (red circles). Correlation factor is 0.03 ± 0.01Back to article page