Therapeutic doses of certain medications can alter or impair the thought processes of susceptible patients. A diagnosis of drug-induced organic mental disorder may be appropriate for some attempted & completed suicides who present as drug overdoses. The process of automatism is defined by the author”as nonreflexive, directed & apparently purposive motor behavior performed without full consciousness of what is being done & followed by grossly incomplete recollection or insight”. (p.29) (NBB)