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
Penis envy by removing the man from the penis or the penis from the man). Freud's theories regarding psychosexual development, and in particular the "phallic stage", were early challenged by other psychoanalysts, such as Karen Horney, Otto Fenichel and Ernest Jones, though Freud did not accept their view of penis envy as a secondary, rather than a primary, female reaction. Later psychologists, such as Erik Erikson and Jean Piaget, challenged the Freudian model of child psychological development as a whole. Jacques Lacan, however, took up and developed Freud's theory of the importance of what he called ""penisneid" in the unconscious of women"