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February 12, 1980. THE PRE-OEDIPAL DEVELOPMENT OF THE BOY. Eleanor Galenson, M.D. and Herman Roiphe, M.D.
Sigmund Freud distinguished early infantile masturbation, which usually disappears after a short time, from the revival of the sexual instincts belonging to the genital zone some time after infancy, usually before the fourth year of life. He later stated that the two sexes develop in parallel fashion until the child's observation of the anatomical difference between the sexes gives rise to the castration complex in the boy. Loewenstein contributed to the theory of sexual development, relating observations of preoedipal genital discovery in the male infant to body image disturbances observed in the analysis of an adult male. Greenacre believed that genital stimulation may occur much earlier than the phallic phase under conditions of extreme stress to the infant. Sachs and particularly Kleeman studied genital sexuality in the second year of life. Kleeman found evidence in