From an app to diagnose autism to a crowdsourced project to map its prevalence, Dennis Wall is brimming with ambitious ideas. But his execution of these ideas leaves something to be desired, his critics say.

Early features of other conditions may contribute to autism itself

A new strategy for diagnosing autism shortens the evaluation process — and the wait for answers.

The brains of people with autism show a variety of structural differences from those of controls.

A widely used test for autism misses some children with delays in motor, social and communication skills.

Pediatricians disagree with specialists 25 percent of the time on whether a child should receive an autism diagnosis.

It’s been five years since the autism community agonized over the debut of a new iteration of a diagnostic manual that set out to rewrite the definition of autism.

Don’t judge this book by its decidedly dull cover: Across its pages, some of the most dramatic changes in the history of autism have played out. This short animation chronicles how a diagnostic manual has defined and redefined autism over the years.

The DSM-5 acknowledges how gender shapes autism more than any previous diagnostic manual has, but it’s time to fold in a few new findings.

Our concept of autism has evolved over the past 20 years, rendering redundant the diagnostic labels of Asperger syndrome and pervasive developmental disorder-not otherwise specified.