Oedipus complex the Electra complex to describe a girl's daughter–mother competition for psychosexual possession of the father. In the phallic stage, a girl's Electra complex is her decisive psychodynamic experience in forming a discrete sexual identity (ego). Whereas a boy develops castration anxiety, a girl develops penis envy, for she perceives that she has been castrated previously (and missing the penis), and so forms resentment towards her own kind as inferior, while simultaneously striving to claim her father's penis through bearing a male child of her own. Furthermore, after the phallic stage, the girl's psychosexual development includes transferring her primary erogenous zone
Oedipus complex "disappointment over a woman" (object drives) or "a mishap in social relations with other men" (ego drives) is the cause of regression or symptom formation. Triangulation can take place with a romantic rival, for a woman, or with a work rival, for the reputation of being more potent. When Sigmund Freud (1856–1939) proposed that the Oedipus complex was psychologically universal, he provoked the evolution of Freudian psychology and the psychoanalytic treatment method, by collaborators and competitors alike. In countering Freud's proposal that the psychosexual development of boys and girls is equal, i.e. equally oriented – that each initially experiences sexual