Phenotype details |
developmental delay, regression, epilepsy; 9m-unassisted sitting; 42m-walking; walking; functional hand use; no speech; stereotypic movements; dyskinesia; hypotonia; no spasticity; no strabism; no nystagmus; abnormal sleep patterns; good social interaction; no eye contact; no unexplained episodes of crying; 72m-onset epileptic seizures; seizures; tonic-myoclonic, tonic-clonic seizures; low antiepileptic treatment response; feeding difficulties; no gastroesophageal reflux; no aspiration; no constipation; no hypersalivation; no bruxism; no abnormal breathing patterns; no kyphoscoliosis or scoliosis; no corpus callosum anomalies; no cortical anomalies |