In this episode, Russell talks about his career in the field of ADHD, and his involvement in a task force seeking to address ADHD, Inattentive Subtype, a separate disorder other than ADHD itself. He discusses Sluggish Cognitive Tempo, and the hypoactive nature, which is very different from the hyperactive and impairment in impulsivity. Russell explains that rather than being overly engaged with the environment, children, adolescents, and adults with SCT are disengaged from the environment, and often find themselves preoccupied with internal thought and experience. He discusses his experience helping families and children with ADHD, and his new book, 12 Principals for Raising a Child with ADHD. Russell Barkley, Ph.D. is the author of 12 Principals for Raising a Child with ADHD among several other works about ADHD and defiance in children and adolescents, and ADHD adults. Dr. Barkley retired as a Professor of Psychiatry and Neurology from the University of Massachusetts Medical Center and subsequently worked as a Professor of Psychiatry and Health Sciences at the Medical University of South Carolina. He is currently a Clinical Professor of Psychiatry at Virginia Commonwealth University Medical Center. Dr. Barkley continues to lecture widely and develop continuing education courses for professionals on ADHD and related disorders, as well as consult on research projects, edit The ADHD Report, and write books, reviews, and research articles.