| Phenotype details |
developmental delay, hypotonia, strabism, epilepsy; 11m-unassisted sitting; 30m-walking; assisted walking; functional hand use; 33m-started expressive speech, 100 words; no stereotypic movements; no dyskinesia; hypotonia; no spasticity; strabism; no nystagmus; no abnormal sleep patterns; good social interaction; good eye contact; no unexplained episodes of crying; 24m-onset epileptic seizures; seizures; focal seizures; good 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; cortical anomalies |