Phenotype details |
see paper; ..., severe global developmental delay; 4m-seizure; EEG bi-frontal predominance spike-wave, hypsarrhythmia, continuous diffuse spike-wave; MRI brain 9d/1y normal; acquired microcephaly, non-ambulation, axial hypotonia, spasticity, nystagmus, cortical visual impairment, intractable seizures |