Studies have shown that DNAm profiles at subsets of CpGs overlap between individuals with BAFopathies carrying variants in SMARCA2 that cause NCBRS, and in ARID1B, SMARCB1, and SMARCA4 that lead to Coffin-Siris syndromes type 1, 3, and 4, respectively. Here, ARID1B is linked to BAFopathy.