Questions and answers about autism spectrum disorders (ASD)

Q: What are autism spectrum disorders? A: Autism spectrum disorders (ASD) are a group of complex brain development disorders. This umbrella term covers conditions such as autism and Asperger syndrome. These disorders are characterized by difficulties in social interaction and communication and a restricted and repetitive repertoire of interests and activities.
Q: How common are autism spectrum disorders? A: Reviews estimate that 1 child in 160 has an autism spectrum disorder. This estimate represents an average figure, and reported prevalence varies substantially across studies. Some recent studies have, however, reported rates that are substantially higher.
Q: Do people with an autism spectrum disorder always suffer from intellectual disability? A: The level of intellectual functioning is extremely variable in…