Signs & Symptoms

Toddlers with autism show less fear when confronted with something scary than do typical children or those with developmental delay.

Many drugs for fragile X syndrome have failed in large clinical trials, but candidates that target new aspects of the condition may fare better.

A new behavioral test in zebrafish may help researchers zero in on the biology of social interactions.

Depression is more than three times as common among adults with autism as it is in the general population.

Nearly half of American children with autism aged 10 to 17 are overweight or obese.

Difficulties with social communication appear to wane as toddlers with autism mature into young adults, perhaps due in large part to improvements in language ability.

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.