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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.