The bulk of the increase in autism prevalence stems from a growing awareness of the condition and changes to the diagnostic criteria.
Some people who have lost the diagnosis of Asperger syndrome say they feel a loss of identity and worry about a loss of services.
Doctors often conflate autism and intellectual disability, and no wonder: The biological distinction between them is murky. Scientific progress depends on knowing where the conditions intersect — and part ways.
Less than 1 percent of young children in northern Vietnam have autism, but this prevalence is higher than in previous reports.
Social media is connecting families with researchers who study rare conditions related to autism — to the benefit of both.
The network of researchers keeping tabs on autism prevalence in U.S. children plans to follow up with some of those children in adolescence.
Many autism researchers express satisfaction with the similarities between the ICD-11 and the DSM-5. But some have raised concerns about ways in which the two diagnostic manuals appear to diverge.