DISC1 and Cognitive impairment: Multiple mouse models of DISC1 perturbation exhibit cognitive impairments (Koike et al., 2006; Clapcote et al., 2007; Li et al., 2007; Kvajo et al., 2008; Lipina et al., 2010; Niwa et al., 2010; Brandon and Sawa, 2011; Lee et al., 2013), strengthening the mechanistic link between DISC1 and cognition.