A study links acetaminophen use to autism, scientists find a flaw in brain imaging software, and a television show about autism is set to premiere next week.

Mental health conditions crop up more than twice as often in families that include a child with autism as in the general population.

Proposed changes to federal ethics rules spark concerns among researchers, attention deficit hyperactivity disorder may be different in adults, and an artist plans to print a three-dimensional hand using stem cells.

A new set of charts shows how brain connections can change as children grow, and can serve as a reference for detecting problems with attention.

A new algorithm relies on abilities rather than diagnoses to steer clinicians toward personalized treatments for autism and attention deficit hyperactivity disorder.

Mice missing a gene called PTCHD1 in a deep-seated brain structure have autism-like symptoms that ease with treatment.

Individuals who have autism or another psychiatric condition tend to pair up with others who share their diagnosis.

A widely used diagnostic test for autism can reliably distinguish the condition from attention deficit hyperactivity disorder, but not always.

Children who have both attention deficit hyperactivity disorder and autism receive their autism diagnosis an average of four years later than those who have autism alone.