CHD2 and epilepsy: Several CHD, such as CHD2, CHD6, CHD7, and CHD8, were found non-sense, heterozygous, or other kinds of mutations in patients with ASD, ID, and epilepsy (Allen et al., 2013; Suls et al., 2013; Sugathan et al., 2014; Ellingford et al., 2021; Parenti et al., 2021).