Electra complex the Greek mythologic character Electra, who plotted matricidal revenge with Orestes, her brother, against Clytemnestra, their mother, and Aegisthus, their stepfather, for their murder of Agamemnon, their father (cf. "Electra", by Sophocles). Sigmund Freud developed the female aspects of the sexual development theory—describing the psychodynamics of a girl’s sexual competition with her mother for sexual possession of the father—as the feminine Oedipus attitude and the negative Oedipus complex; yet it was his collaborator Carl Jung who coined the term Electra complex in 1913. Freud rejected Jung's term as psychoanalytically inaccurate: "that what we have said about the Oedipus complex applies
Oedipus complex mother and directs jealousy and emotional rivalry against his father—because it is he who sleeps with his mother. Moreover, to facilitate union with mother, the boy's id wants to kill father (as did Oedipus), but the pragmatic ego, based upon the reality principle, knows that the father is the stronger of the two males competing to possess the one female. Nonetheless, the boy remains ambivalent about his father's place in the family, which is manifested as fear of castration by the physically greater father; the fear is an irrational, subconscious manifestation of the infantile id. "Psycho-logic defense"—In both sexes, defense