Apart of the neurotic disturbances caused by onanism is certainly of a purely psychical nature and can be traced to the apprehension that, in the earliest years of childhood (at the time of infantile masturbation), had been brought into an indissoluble associative connection with the idea of self-gratification (fear of castration with boys, fear of having the hands cut off with girls). A great many cases of hysteria and obsessional neurosis prove in the analysis to be the psychical result of this infantile apprehension, which—on the awaking of object-love—becomes accompanied with apprehension of incestuous onanistic phantasies. The adult dread of masturbation is thus composed of infantile (castration-) dread together with juvenile (incest-) dread, and the symptoms resulting from the conversion and substitution of this dread may be removed by means of analysis.

I have no doubt, however, that onanism is also able