ego
Id, ego and super-ego For other uses, see Ego (disambiguation) and ID (disambiguation) . Learn more This article may present fringe theories , without giving appropriate weight to the mainstream view , and explaining the responses to the fringe theories. The id, ego, and super-ego are the three distinct, interacting agents in the psychic apparatus defined in Sigmund Freud 's structural model of the psyche . The three agents are theoretical constructs that describe the activities and interactions of the mental life of a person. In the ego psychology model of the psyche, the id is the set of uncoordinated instinctual desires; the super-ego plays the critical and moralizing role; and the ego is the organized, realistic agent that mediates, between the instinctual desires of the id and the critical super-ego; [1] Freud explained that: The functional importance of the ego is manifested in the fact that, normally, control over the approaches to motility devolv