On one hand, he was tempted to assert the universality of infantile sexuality, while on the other, he hesitated before the audacity of it. Inhe added a note to the emendation itself in which he mentioned that he had advanced that same year e the idea of an intermediary stage, called infantile genital organization.
Ideas developed in the first essay led logically to the second, which focused on sexuality in infancy and childhood. The clitoris, which Freud viewed as the distaff equivalent of the penis, is the site of masturbatory pleasure for little girls.
In the last of the three essays, Freud described the "The Transformations of Puberty. But "sexual" for whom? The adult "seducer," clearly; but, for the child "seduced," what do we mean by "sexual"?
He stated, in effect, that sucking activity observed in the infant should be considered as the prototype for all future sexual gratification. We cannot turn to Three Essays for rethinking the foundations of psychoanalytic theory without freeing the text from the later additions that risk hiding its originality from our sight, and without also carefully looking at the passages that were deleted in later versions.
This approach can take many forms, but it is almost always linked to one of the many versions of the Oedipus complex.
Another section, also added to the second essay indiscusses "The Phases of Development of the Sexual Organization" p.
The infant, due to the diverse and polyvalent character of erotogenic zones as invested by instinct and by the various means of gratification, may be characterized as possessing a "polymorphously perverse disposition.