The goal of this research study is to compare sex and gender development differences between children ages 4-8 years who are on the autism spectrum with children who are not on the autism spectrum.

The purpose of this study is to understand how children and adolescents respond to different emotions and social situations.

Parents and their child between 16 and 21 on the autism spectrum are both asked to partner with us for this study as we learn more about the decisions you make about transportation, including driving. We also hope to learn about how transportation influences quality of life and other outcomes.

The purpose of this research study is to test how well a common, standardized quality of life tool measures quality of life among children on the autism spectrum who are minimally verbal or have an intellectual disability.

This study aims to find out if the study drug, GWP42003-P, works to improve symptoms for people with ASD.

The purpose of this research study is to examine relationships between brain and behavior development in toddlers with and without autism who have older siblings.

This study is being done to understand how the brain of autistic adolescents and adults process sound and language.  We hope the information gained from this study may lead to future therapies for language difficulties in autistic individuals.

The goal of this study is to increase our understanding of how the brain is affected in infants with and without Down Syndrome

This study seeks to understand the key differences and similarities in brain development between infants whose siblings do and do not have autism.

We want to learn more about how the brains of children on the autism spectrum process sounds and language.