Since the DSM-IV™ was published in 1994, many advances in the treatment of psychiatric illness have occurred. Updated information to the original 1994 DSM IV is included encompassing the associated features, culture, age, and gender features, prevalence, course, and familial pattern of mental disorders The DSM-IV-TR™ brings this essential diagnostic tool up-to-date, to promote effective diagnosis, treatment, and quality of care. It provides the essential diagnostic information practitioners rely on from the DSM-IV™ along with important updates not found in the 1994 edition.