Russell Barkley

Russell Alan Barkley (born December 27, 1949) is a retired clinical psychologist who was a clinical professor of psychiatry at the VCU Medical Center until 2022 and an author of books on attention-deficit hyperactivity disorder (ADHD). Involved in research since 1973 and a licensed psychologist since 1977, he is an expert on ADHD and has devoted much of his scientific career to studying ADHD and related fields like childhood defiance. He proposed to change the name of sluggish cognitive tempo (SCT) to concentration deficit disorder (CDD).He is the author of 27 books and more than 280 scientific papers and book chapters; he is known for his research articles include multiple papers from his longitudinal study in Milwaukee, Wisconsin; his development of a theory of ADHD as a disorder of executive functioning and self-regulation; his early research on family interaction patterns in ADHD children; his more recent studies on the nature of ADHD in adults; early intervention for children at risk for ADHD; training parents to manage ADHD and defiant behavior; and the nature of sluggish cognitive tempo. He is an "impassioned editor" of the SCT Wikipedia page. His research has been cited by more than 91,000 other authors and he has a H-index (citation impact factor) of 133 on Google Scholar. Barkley also edited The ADHD Report until its final and 30th volume in 2022, a newsletter for clinicians and parents. Besides his clinical work, he is also an expert in the neuropsychology of executive function and self-regulation. He has given more than 800 invited lectures in more than 30 countries during his career, and is board certified in three clinical specialties: clinical neuropsychology, clinical psychology, and clinical child and adolescent psychology.