Revised only twice in the 28 – year period from 1952 to 1980, the American Psychiatric Association`s Diagnostic and Statistical Manual of Mental Disorders (DSM) has been amended two more times in half as many years, with the publication of DSM – III – R in 1987 and of DSM – IV in 1994. The DSM counterpart in use outside of North America, the International Classification of Diseases (ICD), also ...