| Phenotype details |
6m-onset seizures, generalized tonic-clonic seizures; myoclonic seizures, atypical absences; bimonthly generalized tonic-clonic seizures on polytherapy; 4y-EEG frequent generalized spike wave discharges in diffusely slow background; moderate ataxia, occasional myoclonus at rest; severe intellectual disability, no speech, requires help with all aspects of daily activities; MRI brain normal; facial dysmorphism, broad forehead, bulbous nasal tip, deep set eyes, synophris, full lips |