Part 1 of Essay
is the name applied to a specific method of investigating unconscious mental processes and a form of psychotherapy. The term also refers to the systematic structure of psychoanalytic theory, which is based on the relation of conscious and unconscious psychological processes. The technique of and much of the psychoanalyt ....

Part 2 of Essay
.... as abstract concepts; and certain objects may be represented symbolically by images of other objects, although the resemblance between the symbol and the original object may be vague or farfetched. The laws of logic, indispensable for conscious thinking, do not apply to these unconscious mental productions. Recognition of these modes of operation in unconscious mental processes made possible the understanding of such previously incomprehensible psychological phenomena as dreaming. Through analysis of unco ....