Memory deficit-b, c and d are all behaviors that results from organic psychoses. the questions seems to ask exception which is a. memory deficit. organic psychoses is the same as the usual psychoses except that the causative factor of organic psychoses is evidently caused by a disease process of the brain or affecting the brain. example are patients who suffer stroke suddenly experience hallucinations and delusions. organic psychoses is simply a psychoses that has an identified cause. knowing this will lead you to understand that psychoses is manifested by b,c, and d but not memory deficit.