About the Author.
Theresa Regan, Ph.D.
Theresa Regan, Ph.D., is a rare combination of adult neuropsychologist (specialist in brain-behavior relationships), parent of an amazing child on the autism spectrum, and certified autism specialist with the IBCCES. She is deeply grateful to bring validation, hope, and purpose to individuals and their families living on the autism spectrum.
With this mission at its core, she founded and directs the OSF HealthCare Adult Diagnostic Autism Clinic in central Illinois. Her books include Understanding Autism in Adults and Aging Adults and Understanding Autistic Behaviors. For access to articles, videos, courses, and a new online autism community for free, visit www.adultandgeriatricautism.com.