<unk>  is often considered a high functioning form of autism. People with this syndrome have difficulty interacting socially, repeat behaviors, and often are clumsy. Motor milestones may be delayed.
Asperger syndrome
Zellweger syndrome
Rajab-Spranger syndrome
Lesch-Nyhan syndrome
Rett syndrome
Hurler-Scheie syndrome
Mayer-Rokitansky-Hauser syndrome
Axenfeld syndrome