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 of the libido leads to autoerotism, since the patient's erotic afflux of libido designed for the function of adaptation is introverted, whereby his ego is occupied by the corresponding amount of erotic libido. The schizophrenic, however, shuns reality far more than merely the erotic afflux would account for; therefore, his inner condition is very different from that of the hysteric. He is more than autoerotic, he builds up an intra-psychic equivalent for reality, for which purpose he has necessarily to employ other dynamics than that afforded by the erotic afflux. Therefore, I must grant to Bleuler the right to reject the conception of autoerotism, taken from the study of hysterical neuroses, and there legitimate, and to replace it by the conception of autismus.[30] I am forced to say that this term is better fitted to facts than autoerotism. With this I acknowledge my earlier idea of the identity of autismus (Bleuler) and autoerotism (Freud) as unjustified, and, therefore, retract it.[31] This thorough revision of the conception of libido has compelled me to this.

From these considerations it follows necessarily that the descriptive psychologic conception of libido must be given up in order for the libido theory to be applied to dementia præcox. That it is there applicable is best shown in Freud's brilliant investigation of Schreber's phantasies. The question now is whether this genetic conception of libido proposed by me is suitable for the neuroses. I believe that this question may be answered affirmatively. "Natura non fecit saltum"—it is not merely to be expected but it is also probable that at least temporary functional disturbances of various degrees appear