What is the cause of autism?

The following information is not meant to prevent, diagnose or treat autism and should not take the place of personal consultation, as appropriate, with a qualified healthcare professional. One of the most common questions asked after a diagnosis of autism, is what caused the disorder. read more

There is no known single cause for autism spectrum disorder, but it is generally accepted that it is caused by abnormalities in brain structure or function. Brain scans show differences in the shape and structure of the brain in children with autism compared to in neurotypical children. read more

Many causes of autism have been proposed, but understanding of the theory of causation of autism and the other autism spectrum disorders (ASD) is incomplete. Research indicates that genetic factors predominate. read more