Classification of Psychopathology: The Nature of Language G. Scott Acton, Northwestern University The Journal of Mind and Behavior, Summer 1998, Vol.19, No.3, Pages 243–256, ISSN 0271–0137 This article criticizes the approach to language underlying the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV; American Psychiatric Association, 1994). Concepts from the philosophy of