Psychoanalytic refers to the theories and practices of psychoanalysis, a method of studying the human psyche developed by Sigmund Freud. There are several synonyms for psychoanalytic, which include psychodynamic, depth psychology, and Freudian. Psychodynamic emphasizes the role of the unconscious in shaping behavior and emotions. Depth psychology emphasizes the exploration of the unconscious and the importance of symbolism. Freudian refers specifically to the theories and practices of psychoanalysis developed by Sigmund Freud. These synonyms are often used interchangeably and refer to the same ideas and theories of human behavior and the workings of the mind.