has material basis in germline mutation in GABRA4 Mendelian neurodevelopmental disorder GABRA4-related neurodevelopmental disorder with seizures https://github.com/monarch-initiative/mondo/issues/9633 A neurodevelopmental disorder caused by variation in the GABRA4 gene. This disorder is characterised by developmental delay, epileptiform EEG abnormalities, and autism spectrum disorder, and/or attention deficit hyperactivity disorder. Other phenotypes observed less frequently include seizures, brain MRI abnormalities, and intellectual disability. MONDO:0700358