OXT and Anxiety: To this end, we compared we compared OXTR binding in relevant brain regions, i.e., the LS, the amygdala, the ventromedial hypothalamus (VMH) and periaqueductal gray (PAG), which play an essential role in social (Menon et al., 2022), and anxiety- and fear-related (Zhao et al., 2009) behaviors, as well as the amount OXT-positive cells within the PVN and SON between the two mouse strains.