NRG1 and schizophrenia: Later, studies on SNP8NRG221533 in schizophrenia showed that the NRG1 variation was related to decreased anterior cingulum fractional anisotropy (Wang et al., 2009), lower volume of internal capsule (Cannon et al., 2012), and reduced volume of left UF (Voineskos et al., 2013).