The inter‐brain neural synchronization changes of regions of interests in both groups
INS
For VAG, only ROI_1 (PFC, INS‐needling sensation correlation in “patient”–acupuncturist dyads. The blue and red curves represent the HbO time series from the ROI_1 of “patient” and acupuncturist, respectively. HbO, oxyhemoglobin; ROI, region of interestFor SAG, no significant INS in any ROIs was found (