Autism Symptoms What is Autism? Do You Know the Signs? Share Pin Email More in Autism Symptoms Basics Diagnosis Treatment Causes Asperger's Syndrome Adult Autism Children and Autism Applied Behavioral Analysis School and Summer Options Hints and Tips Teens and Autism Support for Parents Positive Living Autism and Family Life Glossary View All Updated April 21, 2016 What are the signs of autism? There are a number of social and behavioral traits to look for. Up Next Up Next Video What Happens When a Child With Autism Grows Up? Up Next Video How Autism Affects Communication Up Next Video How to Help a Child with Autism Up Next Video Are Vitamins or Special Diets Helpful for Children with Autism?