Introduction. Part I: Affect in the Psychoanalytic Literature. Affect in Freud's Work. An Overall View of the Psychoanalytic Literature Since Freud. Part II: Clinical Practice in Psychoanalysis: Structures and Processes. Affect in Clinical Structures. Affect, the Psychoanalytic Process and the Oedipus Complex. Part III: Theoretical Study: Affect, Language and Discourse: Negative Hallucination. Affect and the Two Topographical Models. Draft for a Theoretical Model: The Process. Conclusion.