“…The DSM-IV-TR and International Classifi cation of Diseases-10 separate substance use disorders (SUDs) from other-possibly nosologically similarexcessive behavior patterns (e.g., PG, which is currently classifi ed as an impulse control disorder). Discussions about the integration or separation of these disorders remain controversial ( Bühringer, 2004 ;Goudriaan, Oosterlaan, de Beurs, & van den Brink, 2006 ;Grüsser-Sinopoli, Böning, Watzl, & Rist, 2008 ;Petry, 2006 ;Potenza, 2006 ;Shaffer, Hall, & Bilt, 1999 ). The working group for the American Psychiatric Association ' s fi fth edition of the Diagnostic and Statistical Manual of Mental Disorders, the DSM-5, has suggested integrating SUDs and nonsubstance patterns of excessive behavior (currently only PG) into one new category.…”