Electra complex classical psychoanalytic theory, the child's identification with the same-sex parent is the successful resolution of the Electra complex and of the Oedipus complex; his and her key psychological experience to developing a mature sexual role and identity. Sigmund Freud instead proposed that girls and boys resolved their complexes differently—she via penis envy, he via castration anxiety; and that unsuccessful resolutions might lead to neurosis. Hence, women and men who are fixated in the Electra and Oedipal stages of their psychosexual development might be considered "father-fixated" and "mother-fixated". As a psychoanalytic term for daughter–mother psychosexual conflict, the Electra complex derives from
Oedipus complex developing the female infantile super-ego, because, by identifying with a parent, the girl internalizes morality; thereby, she chooses to comply with societal rules, rather than reflexively complying in fear of punishment. In regard to narcissism, the Oedipus complex is viewed as the pinnacle of the individual's maturational striving for success or for love. In "The Economic Problem of Masochism" (1924), Freud writes that in "the Oedipus complex... [the parent's] personal significance for the superego recedes into the background' and 'the imagos they leave behind... link [to] the influences of teachers and authorities...". Educators and mentors are put in the ego