Katherine K.M Stavropoulos, PhD is an Assistant Professor in the School of Education at the University of California, Riverside. She is a licensed clinical psychologist and Assistant Director of the SEARCH Autism Center, which provides free screening and diagnostic services to families in Riverside County and surrounding regions. Dr. Stavropoulos' research program uses neuroscience to measure reward-related brain activity in children and adolescents with and without autism spectrum disorder (ASD).

James C. McPartland, PhD, is Professor of Child Psychiatry and Psychology at the Yale Child Study Center. He is a licensed child psychologist and Director of the Yale Developmental Disabilities Clinic. Dr. McPartland's program of research investigates the brain bases of neurodevelopmental conditions to develop biologically-based tools to improve detection, treatment, and, ultimately, the quality of life for people with autism and their families.

• Chapter 1: Diagnostic Issues and Complexities in Autism and Related Conditions


• Fred Volkmar, MD, Marc Woodbury-Smith, PhD, Suzanne Macari, PhD, Roald Oien, PhD


• Chapter 2: ASD vs. Intellectual Disability (ID)


• Jan Blacher, PhD, Bruce L Baker, PhD, Christine T Moody, PhD


• Chapter 3: ASD vs. Communication Disorders


• Rhea Paul, PhD, CCC-SLP


• Chapter 4: ASD vs. Attention Deficit/Hyperactivity Disorder (ADHD)


• Naomi O. Davis, PhD, Kimberly Carpenter, PhD, Geraldine Dawson, PhD


• Chapter 5: ASD vs. Conduct Problems


• Chardee Galan, PhD, Carla Mazefsky, PhD


• Chapter 6: ASD vs. Anxiety Disorders


• Mikle South, PhD, Alexis Brewe, Connor Kerns, PhD, Susan White, PhD


• Chapter 7: ASD vs. Major Depressive Disorder


• Katherine KM Stavropoulos, PhD, Yasamin Bolourian, PhD, Katherine O. Gotham, PhD


• Chapter 8: ASD vs. Obsessive Compulsive and Tourette's Disorders


• Morgan M. McNeel, Stacey C. Grebe, Rebeca J. Clayton, Sophie C. Schneider, PhD, Andres G. Viana, Sarah S. Mire, PhD, Yasmine Omar, PhD, Wayne K. Goodman, MD, Eric A. Storch, PhD


• Chapter 9: ASD vs. Post-Traumatic Stress Disorder (PTSD)


• Sonja Saqui, Brigid Gavin, PhD, Connor M Kerns, PhD


• Chapter 10: ASD vs. Genetic Syndromes


• Jamie Capal, MD, Shafali Jeste, MD


• Chapter 11: Clinical Decision Making in Evidence Based Assessment: Disentangling Co-Occurring and Differential Diagnoses in Individuals with Autism Spectrum Disorder


• Rebecca Elias, PhD, Catherine Lord, PhD