Mice colonized with gut microbes from some autistic boys show behaviors like those of the boys.

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

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.

An experimental compound that blocks two enzymes involved in gene expression improves social behavior in young mice.

A brain region that orchestrates responses to social cues and aids decision-making may be off tempo in autism.

Patterns of brain activity in people with autism may be unusually consistent over seconds — and even years.

The largest genetic analysis of postmortem brain tissue to date has yielded maps of when and where genes related to autism are turned on and off throughout life.

A new map shows three brain networks that govern social communication in rhesus macaques.