| Phenotype details |
severe ID; no normal speech, stereotypic laughter, no shy character, neonatal hypotonia, progressing to hypertonia, hyperreflexia, Babinski sign, spasticity, drooling, wheelchair bound, no foot deformity, head circumference -3SD, reduced height, no epilipsy, no sphincter control, normal eye, normal hearing, normal weight; 2.5y walk independently |