| Phenotype details |
developmental delay, hypotonia, epilepsy, cMRI: delayed myelination; 24m-unassisted sitting; 72m-walking ; walking; functional hand use; no speech; stereotypic movements; no dyskinesia; hypotonia; no spasticity; no strabism; no nystagmus; abnormal sleep patterns; good social interaction; good eye contact; unexplained episodes of crying; 5m-onset epileptic seizures; seizures; status epilepticus, febrile seizures; antiepileptic treatment response; no feeding difficulties; no gastroesophageal reflux; aspiration; constipation; hypersalivation; bruxism; abnormal breathing patterns; kyphoscoliosis or scoliosis; no corpus callosum anomalies; no cortical anomalies |