Phenotype details |
normal growth, normal OFC; hypotonia, developmental delay; severe intellectual disability; no epileptic seizures; EEG-high-voltage delta activity, sharp wave-slow wave complexes; autism spectrum disorder; RTT-like features stereotyped hand movements, absent purposeful hand movements; choreic movement, flapping, dystonic postures; central visual defects; no speech; MRI brain thin corpus callosum, delayed myelination; inability to walk |