A ‘predictive coding’ theory of autism suggests that many of the condition’s hallmark traits occur when sensory input overrides expectation in the brain.

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.

Autism and attention deficit hyperactivity disorder often coincide, but the search for common biological roots has turned up conflicting evidence.

Autism’s underlying biology, associated behaviors and treatments can all put people on the spectrum at serious risk for obesity.

After lagging behind other countries for decades, France is working on a new national plan for 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.

Insomnia troubles many children with autism. Luckily, research is awakening parents to some simple bedtime solutions.

New initiatives aim to increase brain donations for autism research and maximize what scientists can learn from these precious specimens.

Children with ‘severe autism’ are the most in need of help, yet the most overlooked in research. A new initiative is making them the primary focus.