The definition and diagnostic criteria for "autism spectrum disorder" from the American psychiatric diagnosis manual published in 2013.
Diagnostic and Statistical Manual (DSM)
The psychiatric manual known as the DSM-5 is being revised, and the definition of autism is being revised with it. Read about the changes being made, how they improve current definitions, and the hopes and concerns being expressed by families and advocates as the await the new DSM's publication. In addition, learn how research made possible by thousands of families taking part in the Simons Simplex Collection (SSC) and IAN projects has helped to inform the process and improve the final result.
A. Qualitative impairment in social interaction, as manifested by at least two of the following:
As an autism spectrum disorder (ASD), Asperger's syndrome involved severe social impairments and restricted interests.1 How was it different, though, from what you might call “classic a
The rarest of the autism spectrum disorders, Childhood Disintegrative Disorder,1 was removed from the psychiatric diagnosis manual as a separate diagnosis in 2013.