“…Few studies have analyzed data with regard to uncovering evidence of population differences within male and female rodents. The responsibility for filling the gaps in knowledge may lie more in the human framework of diagnosis than in the animal models domain Deroche-Gamonet, 2013, 2014;Badiani, 2014;George et al, 2014;Ahmed, 2014;Kalivas and Gipson, 2014;Tiffany, 2014;Litten et al, 2015).…”