摘要: It is an odd quirk of history that two such opposite approaches to psychology as behaviorism and psychoanalysis should each have looked with skepticism at the role consciousness. For behaviorist, consciousness was suspect on methodological grounds—it untrustworthy not a suitable subject for scientific investigation. psychoanalyst, empirical did tell whole story had be seen through in order arrive underlying unconscious causes. has only been fairly recently emerged its own right worthy both philosophical examination In sentence following epigraph quoted above, Freud (1900/1953) continued say, “Only sense organ perception psychical qualities,” (p. 615) attempt answer question posed title this paper. But, we shall also see, gave number different answers various points his theorizing.