CTNND2 and autism spectrum disorder: In this sense, theloss of a copy of CTNND2 in CdCs may be associated withintellectual disability, reading problems (Medina et al., 2000; Belcaro et al., 2015; Hofmeister et al., 2015), learningdifficulties, and autism spectrum disorder (ASD) (Asadollahi et al., 2014) (Figure 1).