One of the major differences between aspergers syndrome and autism form of autism and used the term high diagnosis of autism spectrum disorder. Information for parents on the long term prognosis with aspergers syndrome one of the autism spectrum disorders. Asperger syndrome autism spectrum disorder and long term relationships 2nd edition ashley stanford foreword by liane holliday willey jessica kingsley publishers london and philadelphia. What is asperger syndrome asperger syndrome is one of several previously separate subtypes of autism that were folded into the single diagnosis autism spectrum disorder asd with the publication of the dsm 5 diagnostic manual in 2013