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
Psychosexual development male's envy of the female ability to bear children; yet, contemporary formulations further develop said envy from the biologic (child-bearing) to the psychologic (nurturance), envy of women's perceived right to be the kind parent. Contemporary criticism also questions the universality of the Freudian theory of personality (Id, Ego, Super-ego) discussed in the essay "On Narcissism" (1914), wherein he said that "it is impossible to suppose that a unity, comparable to the ego can exist in the individual from the very start". Contemporary cultural considerations have questioned the normative presumptions of the Freudian psychodynamic perspective that posits the son–father conflict of