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Theresa Regan, Ph.D.

Theresa Regan, Ph.D.: Neuropsychologist and Austism Specialist

Theresa Regan, Ph.D., is a clinical neuropsychologist with a specialization in brain-behavior relationships. She has worked with adults and aging adults within hospital systems for nearly 30 years. She is a certified autism specialist, the mother of a son on the spectrum, and the Director of the OSF HealthCare Adult Diagnostic Autism Clinic in Peoria, Illinois. She is the author of Understanding Autism in Adults and Aging Adults and Understanding Autistic Behaviors: Improving Health, Independence, and Well-Being.

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Autism and autistic child disorder symptoms as a neurology disorder syndrome and a medicine or mental health spectrum diagnosis concept as a 3D illustration.

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