Acknowledgements. Introduction to this Book and to the Basic Psychoanalytic Model. Freud. The Structural Approach. Modifications and Developments of the Structural Model. Introduction to Object Relations Theory. The Klein-Bion Model. The 'Independent' School of British Psychoanalysis. North American Object-relations Theorists. The Interpersonal-relational Approach: From Sullivan to Mitchell. Introduction to Psychoanalytic Approaches Based in Developmental Research. Bowlby's Attachment Theory Model. Schema Theory and Psychoanalysis.