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One of the three core parts of Sigmund Freud's theory of the psyche in conjunction with the ego and the id. Originally derived from the German word überich, the superego functions as a person's conscience and regulates the urges of the id. The superego develops from successfully mastering the Oedipus complex. The stronger the Oedipus complex was and the quicker it was repressed, the more the superego will reign as a conscience over the ego. As successfully resolving the Oedipus complex leads to identification with the father, the superego preserves the character of the father. For more information, see Freud (1923/2000).