Susan W. White is Professor and Doddridge Saxon Chair in Clinical Psychology at The University of Alabama, where she directs the Center for Youth Development and Intervention. Her clinical and research interests include development and evaluation of psychosocial treatments that target transdiagnostic processes underlying psychopathology. She has co-authored over 100 peer-reviewed articles and several books and chapters. Her research has been funded by the National Institute of Mental Health and the National Institute of Child Health and Human Development as well as several foundations.

Brenna Maddox is a postdoctoral fellow and clinical psychologist at the Penn Center for Mental Health, located at the University of Pennsylvania. Her research program focuses on the intersection of autism services and implementation science. Her clinical interests include the assessment and treatment of commonly co-occurring difficulties within autism, such as anxiety and depression, and the community

diagnosis of ASD in adults. Dr. Maddox is an Associate Editor for the Journal of Autism and Developmental Disorders and Autism in Adulthood.

Carla Mazefsky an Associate Professor of Psychiatry and Psychology at the University of Pittsburgh School of Medicine. Her research involves investigations of mechanisms underlying emotion regulation, psychiatric and behavioral problems in ASD, and the development of new assessment and treatment approaches. She is an Associate Editor for the Journal of Autism and Developmental Disorders. She has had federal (National Institutes of Health, Department of Defense, National Science Foundation) and foundation funding for her research, and her research has been recognized by the Ritvo-Slifka Award for Innovation in Autism Research from the International Society for Autism Research.

Foreword
John Elder Robison
Part I: Overview
1. ASD and Co-Occurring Psychiatric Conditions: A Conceptual Framework
Virginia Carter Leno and Emily Simonoff
Part II: Co-Occurring Conditions
2. Co-Occurring Mood Problems in Autism Spectrum Disorder
Katherine Gotham, Florencia Pezzimenti, Mareike Eydt-Beebe, Gloria T. Han, and Catherine G. Herrington

3. Schizophrenia and Other Psychotic Disorders in Autism Spectrum Disorder
Jennifer H. Foss-Feig, Stacey Lurie, and Maya F. Hubert
4. Substance-Autism Spectrum Disorder and Co-Occurring Addiction
Patricia J. M. van Wijngaarden-Cremers
5. Anxiety in ASD: A Case of Blurred Boundaries
Lawrence Scahill and Andrea N. Evans
6. Obsessive-Compulsive and Related Disorders in Autism
Katelyn M. Dyason, Sharna L. Mathieu, Donna L. Griffiths, and Lara J. Farrell
7. Post-Traumatic Stress Disorder in Individuals with Autism Spectrum Disorder
Connor M. Kerns, Chandler Puhy, Chelsea Day, and Steven J. Berkowitz
8. Oppositional Defiant Disorder and Related Disruptive Behaviors in Autism Spectrum Disorder
Karen Bearss and Aaron Kaat
9. ADHD in Autism Spectrum Disorder: A High-Risk Co-Occurring Condition
Benjamin E. Yerys
10. Intellectual Disability in Autism Spectrum Disorder
Jill Fodstad, Rebecca Elias, and Shivali Sarawgi
11. The Co-Occurrence of Autism and Gender Diversity
John F. Strang, Dana Rofey, and Eleonora Sadikova
Part III: Related Problems
12. Psychosexual Problems, Sexual Deviance and Promoting Sexual Health in Autistic Adolescents and Adults
Kirstin Greaves-Lord, Jeroen Dewinter, Lennart Pedersen, Olive Healy, and Mark A. Stokes
13. Eating Issues in Autism Spectrum Disorder
Emily S. Kuschner and Gregory L. Wallace
14. Sleep Problems in Autism Spectrum Disorder
Margaret C. Souders, Briana J. Taylor, and Stefanie Zavodny Jackson
15. Aggression in Autism Spectrum Disorder
Micah O. Mazurek
16. Understanding Executive Function Challenges in Autism Spectrum Disorders
Cara E. Pugliese, Gregory L. Wallace, Laura G. Anthony, and Lauren Kenworthy
17. Self-Injurious Behavior in Individuals with Autism Spectrum Disorder
Jennifer N. Haddock and Louis P. Hagopian
18. Suicidality and Self-Harm in Autism Spectrum Conditions
Sarah Cassidy
Part IV: Current Clinical Practices and Promising Research Approaches
19. Medications to Treat Co-Occurring Psychiatric Conditions in Autism Spectrum Disorder
Bryan H. King, Agnieszka Rynkiewicz, Malgorzata Janas-Kozik, and Marta Tyszkewicz-Nwafor
20. A Model for Addressing Crisis Behavior in Youth with ASD within a Functional and Contextual Framework
Robin L. Gabriels and Julia Barnes
21. Designing ASD Interventions for Community Implementation: Addressing Children's Challenging Behaviors in Publicly-Funded Mental Health Services
Lauren Brookman-Frazee, Amy Drahota, Colby Chlebowski, Yael Koenig, Katherine Williams, Barry Hill, and Julie McPherson
22. Synthesis: Current State of the Science and Future Directions
Brenna B. Maddox, Carla A. Mazefsky, and Susan W. White