All of the following are characteristics of Rett syndrome EXCEPT
The genetics of Rett syndrome has not yet been determined. Although it is thought to be a genetic syn-drome, no inheritance pattern and no enzymatic deficiency or other metabolic explanation has been established for Rett syndrome. The other characteristics (autistic behavior, microcephaly, peculiar wringing motion of the hand, dementia) are common in patients with this disorder.
Autistic behavior
Microcephaly
Peculiar wringing motion of the hands
Autosomal recessive inheritance