GAD1 and schizophrenia: For instance, the levels of GAD67, PV, and individual components of perineuronal nets are specifically reduced in PV+ basket cells in schizophrenia patients across multiple cortical areas (Fung et al., 2010; Glausier et al., 2014; Hashimoto et al., 2008, 2003; Mauney et al., 2013; Zhang and Reynolds, 2002).