The doctrine of informed consent presupposes a contractual relationship between a professionally knowledgeable and informing physician and a rational, if presumably less knowledgeable, patient... The relationship of the schizophrenic patient and the psychiatrist may not follow this paradigm. (Halperin, 1980) Still, it is important that psychiatry consider informed consent something other than a gratuitous legal obstacle. (Mills, 1980). © 1986.