Introduction to Addictive Behaviors, Sixth Edition

Dennis L. Thombs, PhD, FAAHB, is Distinguished Professor of Public Health (retired) at The University of North Texas Health Science Center in Fort Worth, where he formerly served as Dean of the School of Public Health. Before retiring, his research focus was addictive behavior, with special interests in the conceptualization of addiction and in alcohol and drug use during the period of emerging adulthood. Dr. Thombs is a past president and Fellow of the American Academy of Health Behavior.



All titles by Dennis L. Thombs

Cynthia J. Osborn, PhD, LPCC-S, LICDC, is Professor Emerita of Counselor Education and Supervision at Kent State University. Her clinical background is in treatment of adults with co-occurring substance use disorders and mental illness. Before retiring, Dr. Osborn's teaching, supervision, and scholarship focused on addictions counseling, particularly evidence-based practices such as motivational interviewing. She is a member of the Motivational Interviewing Network of Trainers and has extensive experience in the clinical supervision of counselors-in-training and professional counselors.



All titles by Cynthia J. Osborn

William V. Lechner, PhD, is Associate Professor in the Department of Psychological Sciences at Kent State University, where he teaches courses including Drugs and Behavior, Introduction to Psychological Assessment, and Advanced Psychological Assessment. His research focuses on translating human laboratory findings into novel and effective therapeutic interventions for substance use disorders. Dr. Lechner's work explores the bidirectional relationships between cognitive processes and addictive behaviors, including a recent study examining cognitive training combined with neuromodulation to improve executive functioning relevant to addiction outcomes.