| Phenotype details |
see paper; …, global developmental delay; 1y9m-onset seizures, atypical absence, myoclonic atonic, absence with eyelid myoclonia, drug-responsive; moderate intellectual disability; no autism spectrum disorder; truncal and gait ataxia; hypotonia; MRI parieto-occipital white matter abnormalities; EEG generalized polyspike-wave discharges |