How does fragile X syndrome differ from autism?

Read Dr. Scott Hall's article on fragile X syndrome and autism by clicking the link below.

 

 

Citation: Hall SS, Lightbody AA, Hirt MA, Rezvvani A, Reiss AL (2010). Autism in Fragile X Syndrome: A Category Mistake? Journal of the American Academy of Child and Adolescent Psychiatry, 49 (9): 921–933.