Phenotype details |
developmental delay, microcephaly, hypotonia, epilepsy; 24m-assisted sitting; not walking; no functional hand use; 21m-started expressive speech, 4 words; no stereotypic movements; dyskinesia; hypotonia; spasticity; strabism; no nystagmus; abnormal sleep patterns; no social interaction; no eye contact; unexplained episodes of crying; 24m-onset epileptic seizures; seizures; infantile spasms, generalized tonic seizures, generalized tonic-clonic activity, febrile seizures; drug resistant antiepileptic treatment response; G-Tube feeding; gastroesophageal reflux; no aspiration; constipation; hypersalivation; bruxism; no abnormal breathing patterns; no kyphoscoliosis or scoliosis; corpus callosum anomalies; no cortical anomalies |