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 and the Sphinx and evil, but also between the sexes, and that the opening poem of "Buch der Leider" by Heinrich Heine was the source for the idea of the painting. In that poem the Sphinx triumphs over Oedipus. In a Freudian interpretation, it has been argued that the Sphinx represents the castrating effect of Moreau's mother that he has seeking to escape. At the time the painting was created, Moreau's father had recently died. By contrast, Henri Dorra has suggested that the poses of the sphinx and Oedipus are derived from the Greek etymological meaning of the word sphinx, which is to