Fig. 3From: The modulation effect of longitudinal acupuncture on resting state functional connectivity in knee osteoarthritis patientsShown in green: during acupuncture needle stimulation, the left posterior parietal operculum showed more activation in the verum group than in the sham group. Shown in blue: after treatment, the change (increased) in connectivity between the right frontoparietal network and left posterior parietal operculum correlates with the change in KOOS pain in patients (Y = −34)Back to article page