SHANK2 and obsessive-compulsive disorder: Furthermore, we used our classifier to describe the characteristics of burying behavior in the Shank2−/− model of autism spectrum disorder (ASD; Schmeisser et al., 2012; Won et al., 2012) and the Sapap3−/− model of obsessive-compulsive disorder (OCD; Welch et al., 2007), two additional mouse models known for repetitive and compulsive-like/anxious behaviors, respectively.