The hallmark autism trait has multiple facets, Uljarević and his colleagues have found.

More than one-third of a cohort of autistic toddlers no longer meet criteria for the condition at school age, according to a new study, but the findings may not generalize because the cohort is predominantly white and affluent.

This month’s Going on Trial newsletter explores how eye tracking might be used beyond helping with diagnosis, among other drug development news.

Read recent Spectrum coverage about autism’s apparent rise in prevalence — and some of the potential explanations for it.

An imbalance in the number of excitatory neurons in early brain development may account for the difference.

This collection of Spectrum stories explores some of the evolving debates, challenges and methods used to make an autism diagnosis.

The new tool could help clinicians diagnose autism in children younger than 3, the findings show.

The nation needs to build capacity to support the roughly 20 percent of children in Australia who have developmental delay.

Brain scans of hundreds of infants suggest that up to 80 percent of those with autism have unusual amounts of cerebrospinal fluid. Researchers are studying how this might contribute to the condition.

A speech-language pathologist by training, Wetherby has spent more than four decades developing tools to help identify and treat autism early; now her work has taken on a more personal sense of urgency.