| Phenotype details |
see paper; ..., prenatal period unremarkable, birth 39wweight 3,450 g (47P), length 53 cm (68P), OFC 37 cm (90P); neonatal unremarkable; no congenital anomalies; normal postnatal growth; moderate to severe developmental delay; no speech; MRI brain normal; 3y-hyperactivity, reduced attention span, aggressive behavior, reduced interaction with other children; 4y-non-verbal communication, ability to focus and play; muscle mild muscular hypotonia (neonatal); clumsy gait; 13m-onset febrile seizures; no craniofacial dysmorphism; EEG generalized spikes and waves during sleep; stereotypic hand movements |