Many girls hide their autism, sometimes evading diagnosis well into adulthood. These efforts can help women on the spectrum socially and professionally, but they can also do serious harm.

A project in Scotland dramatically increased the accuracy of autism diagnosis and cut waiting times in half.

A brief questionnaire written with guidance from people with autism is the first of its kind to assess quality of life among adults with the condition.

Watch the complete replay of James McPartland discussing the need for clinically useful biomarkers for autism.

An abbreviated tool enables clinicians to quickly assess adults for signs of autism.

Experts from various fields should work with parents to develop a standardized questionnaire for gut problems in people with autism.

Many African children with autism are hidden away at home — sometimes tied up, almost always undiagnosed. Efforts to bring the condition into the open are only just beginning.

Cultural barriers lead clinicians to misdiagnose or miss children with autism in immigrant communities.

An interview for diagnosing adults on the spectrum clears its first hurdle, a fragile X drug eases multiple features of the syndrome in a mouse model, and a brain bank chronicles the beautiful diversity of neurons.

Anxiety can assume unusual forms in people with autism — turning uncertainty, or even a striped couch, into a constant worry. New tools may help identify these hidden fears.