| | Conditions & Treatments | Autism How do you get autistic spectrum? There is no definitive cause for autism spectrum disorder (ASD), although there are genetic factors that contribute to it. Autism - Related Articles How to Chart Autism Behavior How to Care for an Autistic Child Creative Ideas for Toys for Autistic Children How to Make a Behavior Intervention Plan for an Autistic Child Autism Symptoms in Adults How to Use Anti-Fungal Medications to Treat Autism Early Signs of Autism in Children