Electra complex of "Mother" develops the super-ego as the girl establishes a discrete sexual identity (ego). Without a penis, the girl cannot sexually possess her mother, as the infantile id demands. Consequently, the girl redirects her desire for sexual union upon her father, and thus progresses to heterosexual femininity, which culminates in bearing a child who replaces the absent penis. Moreover, after the phallic stage, the girl’s psychosexual development includes transferring her primary erogenous zone from the infantile clitoris to the adult vagina. Freud thus considered the feminine Oedipus attitude ("Electra complex") to be more emotionally intense than the Oedipal conflict of
Oedipus complex recognition has become the "shibboleth" that distinguishes the adherents of psychoanalysis from its opponents"; thereby it remained a theoretic cornerstone of psychoanalysis until about 1930, when psychoanalysts began investigating the pre-Oedipal son–mother relationship within the theory of psychosexual development. Janet Malcolm reports that by the late 20th century, to the object relations psychology "avant-garde, the events of the Oedipal period are pallid and inconsequential, in comparison with the cliff-hanging psychodramas of infancy. ... For Kohut, as for Winnicott and Balint, the Oedipus complex is an irrelevance in the treatment of severe pathology". Nonetheless, ego psychology continued to maintain that "the