Listen to our virtual roundtable on the DSM-5 criteria for autism, featuring Thomas Insel, Catherine Lord and Helen Tager-Flusberg.

On Saturday, the American Psychiatric Association released the DSM-5, the long-awaited new version of its Diagnostic and Statistical Manual of Mental Disorders.

Draft diagnostic guidelines are raising concerns that mild forms of the disorder may no longer be recognized.

A survey of health and education professionals finds that about half of them object to the proposed changes in the diagnostic criteria for autism.

We are on the verge of a seismic shift in the definition of autism spectrum disorders, says David Skuse. Under proposed guidelines for autism diagnosis, the canard that most people with the disorder cannot speak, or have such disordered language that they cannot sustain a conversation, has been abandoned.

About 30 percent of children with autism have symptoms of attention deficit hyperactivity disorder, but under current diagnostic guidelines they can only be diagnosed with one or the other. That’s about to change.

Which test a clinician uses to diagnose a child with autism may determine whether that child meets the criteria proposed in the newest version of the Diagnostic and Statistical Manual of Mental Disorders.

A new study finds that 48 of every 10,000 children in Israel have autism. This rate, published 27 July in the Journal of Autism and Developmental Disorders, is higher than previous estimates for Israel, but lower than the reported U.S. prevalence.

New analysis of an in-depth study of autism rates in Utah in the 1980s highlights how changing diagnostic guidelines may be contributing to the rise in prevalence.

Seven individuals who have the symptoms of Rett syndrome carry a genetic disruption near, or overlapping with, the FOXG1 gene, according to a report published 27 June in the European Journal of Human Genetics.