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 ideal of the individual and they strive to take on their knowledge, skills, or insights. In "Some Reflections on Schoolboy Psychology" (1914), Freud writes: The Oedipus complex, in narcissistic terms, represents that an individual can lose the ability to take a parental-substitute into his ego ideal without ambivalence. Once the individual has ambivalent relations with parental-substitutes, he will enter into the triangulating castration complex. In the castration complex the individual becomes rivalrous with parental-substitutes and this will be the point of regression. In "Psycho-analytic notes on an autobiographical account of a case of paranoia (Dementia paranoides)" (1911), Freud writes that