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 love and hate can be tolerated in the child's mind ... this provides us with a capacity for seeing us in interaction with others, and ... for reflecting on ourselves, whilst being ourselves". As such, in "The Dove that Returns, the Dove that Vanishes" (2000), Michael Parsons proposed that such a perspective permits viewing "the Oedipus complex as a life-long developmental challenge ... [with] new kinds of Oedipal configurations that belong to later life". In 1920, Sigmund Freud wrote that "with the progress of psychoanalytic studies the importance of the Oedipus complex has become, more and more, clearly evident; its