“…OCD was theorized to arise from an intense erosion of the organism's defensive structure and that resulting "exhaustion" or loss of sufficient vigor forced this organ-ism to use adaptive behaviors anatomically located in evalutionary lower CNS centers [see Anstie, 1864;Hughlings and Jackson, 1888;Janet, 1903;Kretchmer, 1929]; 2) in OCD's case neurasthenia-caused obsessions produced the affected organism such severe anxiety that a ritual behavior using the modus operandi of religious rituals, taboos, tokens, and fetishes develops to abolish the anxiety. Since compulsive behaviors relieve the severe anxiety of inserted thoughts, OCD thus becomes an anxiety disorder [Pitman, 1987]; and 3) OCD responds particularly well to behavioral interventions, some of which are effective in other anxiety disorders. The notion of OCD as an anxiety disorder has been reinforced to the point that few now believe it could be any other kind of disorder.…”