Oedipus complex desire (libido) for mother, and aggression towards father, student–collaborator Carl Jung counter-proposed that girls experienced desire for father and aggression towards mother via the Electra complex—derived from the 5th-century BC 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, her father (cf. "Electra", by Sophocles). Moreover, because it is native to Freudian psychology, orthodox Jungian psychology uses the term "Oedipus complex" only to denote a boy's psychosexual development. In classical Freudian psychology the super-ego, "the heir to the Oedipus complex", is formed as the
Oedipus complex oral stage. Her proposal was part of the "controversial discussions" (1942–44) at the British Psychoanalytical Association. The Kleinian psychologists proposed that "underlying the Oedipus complex, as Freud described it ... there is an earlier layer of more primitive relationships with the Oedipal couple". She assigned “dangerous destructive tendencies not just to the father but also to the mother in her discussion of the child’s projective fantasies”. Moreover, Klein's work lessened the central role of the Oedipus complex, with the concept of the depressive position. "For the post–Kleinian Bion, the myth of Oedipus concerns investigatory curiosity—the quest for knowledge—rather than sexual