Second, mutations of SMARCA4/Brm, a subunit of the SWI/SNF chromatin‐remodeling complex that regulates higher order chromatin structure and gene expression, have been linked to multiple neurological and psychiatric disorders including autism spectrum disorders and schizophrenia (De Rubeis et al., 2014; Koga et al., 2009). This evidence concerns the gene SMARCA4 and psychiatric disorder.