Mar 2, 2018 · The behavioral symptoms of autism spectrum disorder (ASD) often appear early in development. 1 Many children show symptoms of autism by 12 months to 18 months of age or …

The symptoms of one person with autism can be very different from the symptoms of another person with autism. Health care providers think of autism as a spectrum disorder—which …

ASD is a complex developmental disorder that affects how a person behaves, interacts with others, communicates, and learns. NICHD is one of many federal agencies and NIH Institutes …

Jan 10, 2017 · About Autism Autism spectrum disorder (ASD) is a complex neurological and developmental disorder that begins early in life and affects how a person acts and interacts …

Research shows that early diagnosis of and interventions for autism are more likely to have major long-term positive effects on symptoms and later skills.1,2,3,4,5 Autism spectrum disorder …

Jan 31, 2017 · Health care providers look for certain symptoms or groups of symptoms to diagnose autism spectrum disorder (ASD). If you have concerns about your child's …

Mar 2, 2018 · What causes autism? Scientists don't know exactly what causes autism spectrum disorder (ASD). Autism was first described in the 1940s, but very little was known about it until …

People with Down syndrome are at increased risk for a range of other health conditions, including autism spectrum disorders, problems with hormones and glands, hearing loss, vision …

Aug 9, 2012 · The signs of IDDs vary depending on the condition. A few signs include a delay in motor skills, difficulty remembering things, and challenges solving problems.

Aug 12, 2012 · IDDs are disorders that are usually present at birth and that uniquely affect the trajectory of the individual’s physical, intellectual, and/or emotional development.