Phallic stage the female aspect of phallic-stage psychosexual development as the feminine Oedipus attitude and the negative Oedipus complex; but his student–collaborator Carl Jung proposed the "Electra complex", derived from Greek mythologic character Electra, who plotted matricidal revenge against her mother for the murder of her father, to describe a girl's psychosexual competition with her mother for possession of her father. Despite mother being the parent who primarily gratifies the child's desires, the child begins forming a discrete sexual identity — "boy", "girl" — that alters the dynamics of the parent and child relationship; the parents become the focus of infantile libidinal
Oedipus complex the boy Hans was unable to relate fearing horses to fearing his father. As the treating psychoanalyst, Freud noted that "Hans had to be told many things that he could not say himself" and that "he had to be presented with thoughts, which he had, so far, shown no signs of possessing". Initially, Freud equally applied the Oedipus complex to the psychosexual development of boys and girls, but later modified the female aspects of the theory as "feminine Oedipus attitude" and "negative Oedipus complex"; yet, it was his student–collaborator Carl Jung, who, in his 1913 work, ""Theory of Psychoanalysis"", proposed