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 the boy Hans was unable to relate fearing horses to fearing his father. As the treating psychoanalyst, Freud noted that "Hans had to be told many things that he could not say himself" and that "he had to be presented with thoughts, which he had, so far, shown no signs of possessing". Initially, Freud equally applied the Oedipus complex to the psychosexual development of boys and girls, but later modified the female aspects of the theory as "feminine Oedipus attitude" and "negative Oedipus complex"; yet, it was his student–collaborator Carl Jung, who, in his 1913 work, ""Theory of Psychoanalysis"", proposed