Infusion of 1μg carbetocin in the anterior BNST (n=8), but not misplaced infusions (n=30), decreased social interaction time with a novel target mouse (a) and increased social vigilance (b) compared with controls (n=12). Representative heatmaps showed that during the interaction phase, a mouse that received the drug spent less time in the interaction zone compared with the other treatment groups(c). There were no significant differences across all treatment groups during the open field or the acclimation phase(d,e,f). Brain slices were Nissl stained to confirm successful injection sites (red shading).