Freud's psychoanalytic theories
The Interpretation of Dreams is one Sigmund Freud’s greatest published works known to date because of the stage it set for his psychoanalytic work. During therapy sessions, Freud would ask his patients to talk about whatever would first come to their mind, usually their responses directly related to a dream. He then began to analyze their dreams, believing that this gave him access to their deepest thoughts. He also believed he could find links between his patients' current hysterical behaviors and past traumatic experiences. From here he began to formulate a book to allow others to understand dream interpretation, by using his current theory of the unconscious.