In Neo-Freudian psychology, the Electra complex, as proposed by Carl Jung in his "Theory of Psychoanalysis", is a girl's psychosexual competition with her mother for possession of her father. In the course of her psychosexual development, the complex is the girl's phallic stage; a boy's analogous experience is the Oedipus complex. The Electra complex occurs in the third—phallic stage (ages 3–6)—of five psychosexual development stages: (i) the Oral, (ii) the Anal, (iii) the Phallic, (iv) the Latent, and (v) the Genital—in which the source of libido pleasure is in a different erogenous zone of the infant's body.

In 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".

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