The Ego in Freud's Theory and in the Technique of Psychoanalysis is the 1988 English-language translation of (French: Le séminaire.

The text of the Seminar, which was held by Jacques Lacan at the Hospital of Sainte-Anne in Paris between the Fall of 1954 and the Spring of 1955 and is the second one in the series, was established by Jacques-Alain Miller and translated by Sylvana Tomaselli.

In July 1953, the Société Française de Psychanalyse (with Jacques Lacan, Françoise Dolto and Serge Leclaire) secedes from the Société Psychanalytique de Paris (member of the International Psychoanalytical Association) over growing tensions between the practice of Lacan and his contemporaries and the emerging ego psychology trend of the previous generation.

is allowed to be present in at the Congress of Rome in the summer of 1953 where Lacan delivers his report: "The Function and Field of Speech and Language in Psychoanalysis".

[2] The positive reception of the expression "the return to Freud" and of his report and discourse in Rome give Lacan the will to reelaborate all the analytical concepts.

In the Fall of 1953 he starts his seminars at the Hospital of Sainte-Anne every Wednesday and presents cases of patients on Fridays.

"The mirror stage is based on the rapport between, on one hand, a certain level of tendencies which are experienced as disconnected and, on the other, a unity with which it is merged and paired.

At each stage of the symbolic transformation of the letter, they will be defined by their position in relation to this radical object.

A four-term structure maps the Real, the Imaginary and the Symbolic as replacing the second Freudian topography: ego/id/superego.

Two diagonals intersect, while the imaginary rapport links a (the ego) to a' (the other), the line going from S (the subject, the Freudian id) to A (the Other) is interrupted by the first one.