Electra complex classical psychoanalytic theory, the child's identification with the same-sex parent is the successful resolution of the Electra complex and of the Oedipus complex; his and her key psychological experience to developing a mature sexual role and identity. Sigmund Freud instead proposed that girls and boys resolved their complexes differently—she via penis envy, he via castration anxiety; and that unsuccessful resolutions might lead to neurosis. Hence, women and men who are fixated in the Electra and Oedipal stages of their psychosexual development might be considered "father-fixated" and "mother-fixated". As a psychoanalytic term for daughter–mother psychosexual conflict, the Electra complex derives from
Oedipus complex Thus "a child learns what power independent of itself is as it goes through the Oedipus complex ... encountering the existence of a symbolic system independent of itself". Moreover, Lacan's proposal that "the ternary relation of the Oedipus complex" liberates the "prisoner of the dual relationship" of the son–mother relationship proved useful to later psychoanalysts; thus, for Bollas, the "achievement" of the Oedipus complex is that the "child comes to understand something about the oddity of possessing one's own mind ... discovers the multiplicity of points of view". Likewise, for Ronald Britton, "if the link between the parents perceived in