FOXP2 and schizophrenia: There is conflicting evidence for a role of FOXP2 in schizophrenia; significant associations have been reported between certain FOXP2 SNPs and schizophrenia (Sanjuan et al. 2006; Tolosa et al. 2010), but the FOXP2 missense and nonsense mutations associated with DVD (Table 1) were not found in patients with schizophrenia (Sanjuan et al. 2005).