Fig. 2From: Acupuncture at KI3 in healthy volunteers induces specific cortical functional activity: an fMRI studyTrail Flow Chart. The subjects in KI3 group received two acupuncture (sham first and then a true acupuncture) and three fMRI, while subjects in non-acupoint group received only ture acupuncture and two fMRI, so the second acupuncture and third fMRI in KI3 group are showed by dotted line. Red arrow represents needle insertion, blue arrow represents needle withdrawalBack to article page