ERBB4 and schizophrenia: This is consistent with ErbB4 being expressed in the subgranular zone of the dentate gyrus (Neddens and Buonanno, 2010) and it is the first report that establish a correlation between ErbB4 and the development of the dentate gyrus with the pathophysiological alteration termed as “immature dentate gyrus” observed in schizophrenia (Walton et al., 2012).