Signs & Symptoms

Analyzing five sleep-related factors reveals associations between sleep troubles in autistic children and problem behaviors during the day.

Autistic children who have behavioral problems tend to have an enlarged right amygdala, and in girls the size is associated with the severity of certain behaviors.

Autistic people who are hyperactive or have difficulty controlling their own impulses are the most likely to show ongoing self-injury.

Adults with autism vary enormously in their quality of life, and two factors may explain most of this variation.

Many people with autism have difficulty falling and staying asleep, but there may be ways to help them.

People with autism show significant improvements in cognitive ability from age 12 to 23 years, but their autism traits remain stable over this time.

Restricted interests and repetitive behaviors constitute one of two criteria that define autism in the diagnostic manual for psychiatry.

Siblings of autistic children, like those with the condition, tend to have faces that are more masculine than average.

A new analysis hints at the source of the rampant inconsistency among brain imaging studies in autism: significant differences among study sites.