| Phenotype details |
developmental delay, microcephaly, epilepsy, cMRI: simplified gyral pattern, delay of myelinisation; 48m-assisted sitting; not walking; functional hand use; no speech; stereotypic movements; dyskinesia; hypotonia; strabism; no nystagmus; no abnormal sleep patterns; social interaction; poor eye contact; unexplained episodes of crying; 21m-onset epileptic seizures; seizures; focal, generalised tonic-clonic seizures; antiepileptic treatment response; feeding difficulties; no gastroesophageal reflux; no aspiration; no constipation; no hypersalivation; bruxism; no abnormal breathing patterns; no kyphoscoliosis or scoliosis; no corpus callosum anomalies; no cortical anomalies |