The International Society for Autism Research faces a thorny problem: how to please a diverse mix of attendees who have radically different goals.

A new magnetic resonance imaging machine has the power to reveal the brain’s structure and activity at unprecedented resolution.

Two imaging techniques together reveal architectural features of the brains of preterm infants.

The brains of people with autism have unusually strong connections in some regions and weak ones in others.

The brains of autistic children show few differences from those of children with attention deficit hyperactivity disorder, or even of controls.

The brain’s emotion center, the amygdala, undergoes dramatic changes during the first year of life; these shifts may hold hints about its role in autism.