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 and attributes are a result of culture and continuous practice in psychoanalysis with no biological basis. The Oedipus complex is compromised in the context of modern family structures, as it requires the existence of the notions of masculinity and femininity. When there is no father present there is no reason for a boy to have castration anxiety and thus resolve the complex. Psychoanalysis presents relationships outside the heteronormativity (e.g. homosexuality) as a negative implication, a sort of perversion or fetish rather than a natural occurrence. To some psychologists, this emphasis on gender norms can be a distraction in treating homosexual