TY - JOUR T1 - Causation, Compulsion, and Involuntariness JF - Journal of the American Academy of Psychiatry and the Law Online JO - J Am Acad Psychiatry Law SP - 159 LP - 180 VL - 22 IS - 2 AU - Stephen J. Morse Y1 - 1994/06/01 UR - http://jaapl.org/content/22/2/159.abstract N2 - This article first addresses the persistent confusion between causation and excuse. It demonstrates that causation is not the equivalent of compulsion and that causation per se is not an excusing condition. Then the article examines the conceptual and practical difficulties presented by the excuse that is variously labeled “compulsion,” “involuntariness,” “volitional problems,” “irresistible impulse,” and the like. It concludes that this excuse, when produced by internal causes, is far less well understood and assessed than forensic clinicians usually assume and that most such excusing conditions are better understood and assessed in terms of rationality problems. ER -