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 primary erogenous zone; thus, when children become aware of their bodies, the bodies of other children, and the bodies of their parents, they gratify physical curiosity by undressing and exploring themselves, each other, and their genitals, so learning the anatomic differences between "male" and "female" and the gender differences between "boy" and "girl". "Psychosexual infantilism"—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 objects of infantile libidinal energy. The boy directs his libido (sexual desire) upon his