Education
He earned an Master of Arts and Doctor of Philosophy in clinical psychology from Bowling Green State University in Bowling Green, Ohio.
He earned an Master of Arts and Doctor of Philosophy in clinical psychology from Bowling Green State University in Bowling Green, Ohio.
Involved in research since 1973 and a licensed psychologist since 1977, he is an expert on attention-deficit hyperactivity disorder (Attention Deficit Hyperactivity Disorder) and has devoted much of his scientific career to studying Attention Deficit Hyperactivity Disorder and related problems in children. His research interests include childhood defiance. He has also conducted trials on sluggish cognitive tempo for Eli Lilly and Company, a pharmaceutical entity whose financial ties to Barkley have led to public criticism for a perceived conflict of interest.
Barkley had a twin brother, Ronald.
From July 1976 to 1977, Barkley was an intern at the University of Oregon Health Sciences Center in Portland, Oregon. He then moved to the University of Massachusetts Medical School, where he served as Director of Psychology from 1985 to 2000.
Barkley was professor of psychiatry and neurology at the University of Massachusetts Medical Center. In 2005, he joined the State University of New York Upstate Medical University in Syracuse, New York, where he was a research professor of psychiatry.
He has been at the Medical University of South Carolina since 2003.
At least one of Barkley"s rating scales for adult Attention Deficit Hyperactivity Disorder evaluates sluggish cognitive tempo. He has been a paid speaker and consultant for Eli Lilly, McNeil, Janssen-Orth, Janssen-Cilag, Novartis, Shire, and Theravance.