VRK2 and schizophrenia: Vrk2‐deficient mice display a spectrum of behavioral abnormalities—including deficits in social interaction, fear memory, and spatial memory—that recapitulate key features of schizophrenia and ASD (Consortium et al. 2012; Lee et al. 2019; Li, Wang, et al. 2012; Steinberg et al. 2011; Zhang et al. 2015).