Phenotype details |
developmental delay, microcephaly, hypotonia, stereotypic movements, epilepsy; not able to sit; not walking; no functional hand use; no speech; stereotypic movements; hypotonia; spasticity; strabism; no nystagmus; unexplained episodes of crying; 11m-onset epileptic seizures; seizures; myoclonic seizures; low antiepileptic treatment response; feeding difficulties; gastroesophageal reflux; constipation; abnormal breathing patterns; no kyphoscoliosis or scoliosis; corpus callosum anomalies; cortical anomalies |