AVP and psychiatric disorder: These behaviors are at the very basis of more complex social behavior, and are often affected in psychiatric disorders that are associated with both ES and AVP/OXT (Blair, 2001; Blanchard et al., 2001; Robb, 2010; Soyka, 2011; Chevallier et al., 2012; Skuse et al., 2014) and can be and have been reliably assessed in rodents (Box 2) (Thompson et al., 2004; Kosfeld et al., 2005; Savaskan et al., 2008; Veenema and Neumann, 2008; Meyer-Lindenberg et al., 2011; Kelly and Goodson, 2014).