PVN OXT Release Is Necessary for Emotion Discrimination: Mapping of PVN OXT Projections in Mice. Scheme of the viral vector used to infect the PVN OXT neurons. Anatomy of OXT projections from the PVN to the central amygdala (CeA), nucleus accumbens (NAcc), medial prefrontal cortex (mPFC), and hippocampus CA2 (CA2). Scale bars: 100 mm. Error bars represent standard error of the mean. From Ferretti et al Current Biology 2019.