YWHAG (7q11.23, OMIM#605356) phenotypic spectrum includes mild delay to DEE, with generalized seizures (100%), intellectual disability (96%), behavioural disorders (75%), neurological signs (54%) and dysmorphisms (25%).43 Patient 21 exhibited typical EMAtS comorbid with severe intellectual disability. The gene discussed is YWHAG; the disease is Atypical behavior.