In our effort to follow up the origins of the sexual impulse, we have thus far found that the sexual excitement originates (a) as an imitation of a gratification which has been experienced in conjunction with other organic processes; (b) through the appropriate peripheral stimulation of erogenous zones; (c) and as an expression of some "impulse," like the looking and cruelty impulses, the origin of which we do not yet fully understand. The psychoanalytic investigation of later life which leads back to childhood and the contemporary observation of the child itself coöperate to reveal to us still other regularly-flowing sources of the sexual excitement. The observation of childhood has the disadvantage of treating easily misunderstood material, while psychoanalysis is made difficult by the fact that it can reach its objects and conclusions only by great detours; still the united efforts of both methods achieve a sufficient degree of positive understanding.

In investigating the erogenous zones we have already found that these skin regions merely show the special exaggeration of a form of sensitiveness which is to a certain degree found over the whole surface of the skin. It will therefore not surprise us to learn that certain forms of general sensitiveness in the skin can be ascribed to very distinct erogenous action. Among these we will above all mention the temperature sensitiveness; this will perhaps prepare us for the understanding of the therapeutic effects of warm baths.

Mechanical Excitation.—We must, moreover, describe here the production of sexual excitation by means of rhythmic mechanical shaking of the body. There are three kinds of exciting influences: those acting on the sensory apparatus of the vestibular nerves, those acting on the skin, and those acting on the deep parts, such as the muscles and joints. The sexual excitation produced by these influences seems to be of a pleasurable nature—it is worth emphasizing that for some time we shall continue to use indiscriminately the terms "sexual excitement" and "gratification" leaving the search for an explanation of the terms to a later time—and that the pleasure is produced by mechanical stimulation is proved by the fact that children are so fond of play involving passive motion, like swinging or flying in the air, and repeatedly demand its repetition.[20] As we know, rocking is regularly used in putting restless children to sleep. The shaking sensation experienced in wagons and railroad trains exerts such a fascinating influence on older children, that all boys, at least at one time in their lives, want to become conductors and drivers. They are wont to ascribe to railroad activities an extraordinary and mysterious interest, and during the age of phantastic activity (shortly before puberty) they utilize these as a nucleus for exquisite sexual symbolisms. The desire to connect railroad travelling with sexuality apparently originates from the pleasurable character of the sensation of motion. When the repression later sets in and changes so many of the childish likes into their opposites, these same persons as adolescents and adults then react to the rocking and rolling with nausea and become terribly exhausted by a railroad journey, or they show a tendency to attacks of anxiety during the journey, and by becoming obsessed with railroad phobia they protect themselves against a repetition of the painful experiences.

This also fits in with the not as yet understood fact that the concurrence of fear with mechanical shaking produces the severest hysterical forms of traumatic neurosis. It may at least be assumed that inasmuch as even a slight intensity of these influences becomes a source of sexual excitement, the action of an excessive amount of the same will produce a profound disorder in the sexual mechanism.

Muscular Activity.—It is well known that the child has need for strong muscular activity, from the gratification of which it draws extraordinary pleasure. Whether this pleasure has anything to do with sexuality, whether it includes in itself sexual satisfaction? or can be the occasion of sexual excitement; all this may be refuted by critical consideration, which will probably be directed also to the position taken above that the pleasure in the sensations of passive movement are of sexual character or that they are sexually exciting. The fact remains, however, that a number of persons report that they experienced the first signs of excitement in their genitals during fighting or wrestling with playmates, in which situation, besides the general muscular exertion, there is an intensive contact with the opponent's skin which also becomes effective. The desire for muscular contest with a definite person, like the desire for word contest in later years, is a good sign that the object selection has been directed toward this person. "Was sich liebt, das neckt sich."[21] In the promotion of sexual excitement through muscular activity we might recognize one of the sources of the sadistic impulse. The infantile connection between fighting and sexual excitement acts in many persons as a determinant for the future preferred course of their sexual impulse.[22]

Affective Processes.—The other sources of sexual excitement in the child are open to less doubt. Through contemporary observations, as well as through later investigations, it is easy to ascertain that all more intensive affective processes, even excitements of a terrifying nature, encroach upon sexuality; this can at all events furnish us with a contribution to the understanding of the pathogenic action of such emotions. In the school child, fear of a coming examination or exertion expended in the solution of a difficult task can become significant for the breaking through of sexual manifestations as well as for his relations to the school, inasmuch as under such excitements a sensation often occurs urging him to touch the genitals, or leading to a pollution-like process with all its disagreeable consequences. The behavior of children at school, which is so often mysterious to the teacher, ought surely to be considered in relation with their germinating sexuality. The sexually-exciting influence of some painful affects, such as fear, shuddering, and horror, is felt by a great many people throughout life and readily explains why so many seek opportunities to experience such sensations, provided that certain accessory circumstances (as under imaginary circumstances in reading, or in the theater) suppress the earnestness of the painful feeling.

If we might assume that the same erogenous action also reaches the intensive painful feelings, especially if the pain be toned down or held at a distance by a subsidiary determination, this relation would then contain the main roots of the masochistic-sadistic impulse, into the manifold composition of which we are gaining a gradual insight.

Intellectual Work.—Finally, is is evident that mental application or the concentration of attention on an intellectual accomplishment will result, especially often in youthful persons, but in older persons as well, in a simultaneous sexual excitement, which may be looked upon as the only justified basis for the otherwise so doubtful etiology of nervous disturbances from mental "overwork."

If we now, in conclusion, review the evidences and indications of the sources of the infantile sexual excitement, which have been reported neither completely nor exhaustively, we may lay down the following general laws as suggested or established. It seems to be provided in the most generous manner that the process of sexual excitement—the nature of which certainly remains quite mysterious to us—should be set in motion. The factor making this provision in a more or less direct way is the excitation of the sensible surfaces of the skin and sensory organs, while the most immediate exciting influences are exerted on certain parts which are designated as erogenous zones. The criterion in all these sources of sexual excitement is really the quality of the stimuli, though the factor of intensity (in pain) is not entirely unimportant. But in addition to this there are arrangements in the organism which induce sexual excitement as a subsidiary action in a large number of inner processes as soon as the intensity of these processes has risen above certain quantitative limits. What we have designated as the partial impulses of sexuality are either directly derived from these inner sources of sexual excitation or composed of contributions from such sources and from erogenous zones. It is possible that nothing of any considerable significance occurs in the organism that does not contribute its components to the excitement of the sexual impulse.

It seems to me at present impossible to shed more light and certainty on these general propositions, and for this I hold two factors responsible; first, the novelty of this manner of investigation, and secondly, the fact that the nature of the sexual excitement is entirely unfamiliar to us. Nevertheless, I will not forbear speaking about two points which promise to open wide prospects in the future.

Diverse Sexual Constitutions.—(a) We have considered above the possibility of establishing the manifold character of congenital sexual constitutions through the diverse formation of the erogenous zones; we may now attempt to do the same in dealing with the indirect sources of sexual excitement. We may assume that, although these different sources furnish contributions in all individuals, they are not all equally strong in all persons; and that a further contribution to the differentiation of the diverse sexual constitution will be found in the preferred developments of the individual sources of sexual excitement.

The Paths of Opposite Influences.—(b) Since we are now dropping the figurative manner of expression hitherto employed, by which we spoke of sources of sexual excitement, we may now assume that all the connecting ways leading from other functions to sexuality must also be passable in the reverse direction. For example, if the lip zone, the common possession of both functions, is responsible for the fact that the sexual gratification originates during the taking of nourishment, the same factor offers also an explanation for the disturbances in the taking of nourishment if the erogenous functions of the common zone are disturbed. As soon as we know that concentration of attention may produce sexual excitement, it is quite natural to assume that acting on the same path, but in a contrary direction, the state of sexual excitement will be able to influence the availability of the voluntary attention. A good part of the symptomatology of the neuroses which I trace to disturbance of sexual processes manifests itself in disturbances of the other non-sexual bodily functions, and this hitherto incomprehensible action becomes less mysterious if it only represents the counterpart of the influences controlling the production of the sexual excitement.

However the same paths through which sexual disturbances encroach upon the other functions of the body must in health be supposed to serve another important function. It must be through these paths that the attraction of the sexual motive-powers to other than sexual aims, the sublimation of sexuality, is accomplished. We must conclude with the admission that very little is definitely known concerning the paths beyond the fact that they exist, and that they are probably passable in both directions.

Note 1: For it is really impossible to have a correct knowledge of the part belonging to heredity without first understanding the part belonging to the infantile.

Note 2: This assertion on revision seemed even to myself so bold that I decided to test its correctness by again reviewing the literature. The result of this second review did not warrant any change in my original statement. The scientific elaboration of the physical as well as the psychic phenomena of the infantile sexuality is still in its initial stages. One author (S. Bell, "A Preliminary Study of the Emotions of Love Between the Sexes," American Journal of Psychology, XIII, 1902) says: "I know of no scientist who has given a careful analysis of the emotion as it is seen in the adolescent." The only attention given to somatic sexual manifestations occurring before the age of puberty was in connection with degenerative manifestations, and these were referred to as a sign of degeneration. A chapter on the sexual life of children is not to be found in all the representative psychologies of this age which I have read. Among these works I can mention the following: Preyer; Baldwin (The Development of the Mind in the Child and in the Race, 1898); Pérez (L'enfant de 3-7 ans, 1894); Strümpel (Die pädagogische Pathologie, 1899); Karl Groos (Das Seelenleben des Kindes, 1904); Th. Heller (Grundriss der Heilpädagogic, 1904); Sully (Observations Concerning Childhood, 1897). The best impression of the present situation of this sphere can be obtained from the journal Die Kinderfehler (issued since 1896). On the other hand one gains the impression that the existence of love in childhood is in no need of demonstration. Pérez (l.c.) speaks for it; K. Groos (Die Spiele der Menschen, 1899) states that some children are very early subject to sexual emotions, and show a desire to touch the other sex (p. 336); S. Bell observed the earliest appearance of sex-love in a child during the middle part of its third year. See also Havelock Ellis, The Sexual Impulse, Appendix II.

The above-mentioned judgment concerning the literature of infantile sexuality no longer holds true since the appearance of the great and important work of G. Stanley Hall (Adolescence, Its Psychology and its Relation to Physiology, Anthropology, Sociology, Sex, Crime, Religion, and Education, 2 vols., New York, 1908). The recent book of A. Moll, Das Sexualleben des Kindes, Berlin, 1909, offers no occasion for such a modification. See, on the other hand, Bleuler, Sexuelle abnormitäten der Kinder (Jahrbuch der Schweizerischen Gesellschaft für Schulgesundheitspflege, IX, 1908). A book by Mrs. Dr. H.v. Hug-Hellmuth, Aus dem Seelenleben des Kindes (1913), has taken full account of the neglected sexual factors. [Translated in Monograph Series.]

Note 3: I have attempted to solve the problems presented by the earliest infantile recollections in a paper, "Über Deckerinnerungen" (Monatsschrift für Psychiatrie und Neurologie, VI, 1899). Cf. also The Psychopathology of Everyday Life, The Macmillan Co., New York, and Unwin, London.

Note 4: One cannot understand the mechanism of repression when one takes into consideration only one of the two cooperating processes. As a comparison one may think of the way the tourist is despatched to the top of the great pyramid of Gizeh; he is pushed from one side and pulled from the other.

Note 5: The use of the latter material is justified by the fact that the years of childhood of those who are later neurotics need not necessarily differ from those who are later normal except in intensity and distinctness.

Note 6: An anatomic analogy to the behavior of the infantile sexual function formulated by me is perhaps given by Bayer (Deutsches Archiv für klinische Medizin, Bd. 73) who claims that the internal genitals (uterus) are regularly larger in newborn than in older children. However, Halban's conception, that after birth there is also an involution of the other parts of the sexual apparatus, has not been verified. According to Halban (Zeitschrift für Geburtshilfe u. Gynäkologie, LIII, 1904) this process of involution ends after a few weeks of extra-uterine life.

Note 7: The expression "sexual latency period" (sexuelle latenz-periode) I have borrowed from W. Fliess.

Note 8: In the case here discussed the sublimation of the sexual motive powers proceed on the road of reaction formations. But in general it is necessary to separate from each other sublimation and reaction formation as two diverse processes. Sublimation may also result through other and simpler mechanisms.

Note 9: Jahrbuch für Kinderheilkunde, N.F., XIV, 1879.

Note 10: This already shows what holds true for the whole life, namely, that sexual gratification is the best hypnotic. Most nervous insomnias are traced to lack of sexual gratification. It is also known that unscrupulous nurses calm crying children to sleep by stroking their genitals.

Note 11: Ellis spoils, however, the sense of his invented term by comprising under the phenomena of autoerotism the whole of hysteria and masturbation in its full extent.

Note 12: Further reflection and observation lead me to attribute the quality of erogenity to all parts of the body and inner organs. See later on narcism.

Note 13: Compare here the very comprehensive but confusing literature on onanism, e.g., Rohleder, Die Masturbation, 1899. Cf. also the pamphlet, "Die Onanie," which contains the discussion of the Vienna Psychoanalytic Society, Wiesbaden, 1912.

Note 14: Compare here the essay on "Charakter und Analerotic" in the Sammlung kleiner Schriften zur Neurosenlehre, Zweite Folge, 1909. Cf. also Brill, Psychanalysis, Chap. XIII, Anal Eroticism and Character, W.B. Saunders, Philadelphia.

Note 15: Unusual techniques in the performance of onanism seem to point to the influence of a prohibition against onanism which has been overcome.

Note 16: Why neurotics, when conscience stricken, regularly connect it with their onanistic activity, as was only recently recognized by Bleuler, is a problem which still awaits an exhaustive analysis.

Note 17: Freud, Selected Papers on Hysteria and Other Psychoneuroses, 3d edition, translated by A.A. Brill, N.Y. Nerv. and Ment. Dis. Pub. Co. Nervous and Mental Disease Monograph, Series No. 4.

Note 18: Havelock Ellis, in an appendix to his study on the Sexual Impulse, 1903, gives a number of autobiographic reports of normal persons treating their first sexual feelings in childhood and the causes of the same. These reports naturally show the deficiency due to infantile amnesia; they do not cover the prehistoric time in the sexual life and therefore must be supplemented by psychoanalysis of individuals who became neurotic. Notwithstanding this these reports are valuable in more than one respect, and information of a similar nature has urged me to modify my etiological assumption as mentioned in the text.

Note 19: The above-mentioned assertions concerning the infantile sexuality were justified in 1905, in the main through the results of psychoanalytic investigations in adults. Direct observation of the child could not at the time be utilized to its full extent and resulted only in individual indications and valuable confirmations. Since then it has become possible through the analysis of some cases of nervous disease in the delicate age of childhood to gain a direct understanding of the infantile psychosexuality (Jahrbuch für psychoanalytische und psychopathologische Forschungen, Bd. 1, 2, 1909). I can point with satisfaction to the fact that direct observation has fully confirmed the conclusion drawn from psychoanalysis, and thus furnishes good evidence for the reliability of the latter method of investigation.

Moreover, the "Analysis of a Phobia in a Five-year-old Boy" (Jahrbuch, Bd. 1) has taught us something new for which psychoanalysis had not prepared us, to wit, that sexual symbolism, the representation of the sexual by non-sexual objects and relations—reaches back into the years when the child is first learning to master the language. My attention has also been directed to a deficiency in the above-cited statement which for the sake of clearness described any conceivable separation between the two phases of autoerotism and object love as a temporal separation. From the cited analysis (as well as from the above-mentioned work of Bell) we learn that children from three to five are capable of evincing a very strong object-selection which is accompanied by strong affects.

Note 20: Some persons can recall that the contact of the moving air in swinging caused them direct sexual pleasure in the genitals.

Note 21: "Those who love each other tease each other."

Note 22: The analyses of neurotic disturbances of walking and of agoraphobia remove all doubt as to the sexual nature of the pleasure of motion. As everybody knows modern cultural education utilizes sports to a great extent in order to turn away the youth from sexual activity; it would be more proper to say that it replaces the sexual pleasure by motion pleasure, and forces the sexual activity back upon one of its autoerotic components.

With the beginning of puberty the changes set in which transform the infantile sexual life into its definite normal form. Hitherto the sexual impulse has been preponderantly autoerotic; it now finds the sexual object. Thus far it has manifested itself in single impulses and in erogenous zones seeking a certain pleasure as a single sexual aim. A new sexual aim now appears for the production of which all partial impulses coöperate, while the erogenous zones subordinate themselves to the primacy of the genital zone.[1] As the new sexual aim assigns very different functions to the two sexes their sexual developments now part company. The sexual development of the man is more consistent and easier to understand, while in the woman there even appears a form of regression. The normality of the sexual life is guaranteed only by the exact concurrence of the two streams directed to the sexual object and sexual aim. It is like the piercing of a tunnel from opposite sides.

The new sexual aim in the man consists in the discharging of the sexual products; it is not contradictory to the former sexual aim, that of obtaining pleasure; on the contrary, the highest amount of pleasure is connected with this final act in the sexual process. The sexual impulse now enters into the service of the function of propagation; it becomes, so to say, altruistic. If this transformation is to succeed its process must be adjusted to the original dispositions and all the peculiarities of the impulses.

Just as on every other occasion where new connections and compositions are to be formed in complicated mechanisms, here, too, there is a possibility for morbid disturbance if the new order of things does not get itself established. All morbid disturbances of the sexual life may justly be considered as inhibitions of development.

From the course of development as described we can clearly see the issue and the end aim. The intermediary transitions are still quite obscure and many a riddle will have to be solved in them.

The most striking process of puberty has been selected as its most characteristic; it is the manifest growth of the external genitals which have shown a relative inhibition of growth during the latency period of childhood. Simultaneously the inner genitals develop to such an extent as to be able to furnish sexual products or to receive them for the purpose of forming a new living being. A most complicated apparatus is thus formed which waits to be claimed.

This apparatus can be set in motion by stimuli, and observation teaches that the stimuli can affect it in three ways: from the outer world through the familiar erogenous zones; from the inner organic world by ways still to be investigated; and from the psychic life, which merely represents a depository of external impressions and a receptacle of inner excitations. The same result follows in all three cases, namely, a state which can be designated as "sexual excitation" and which manifests itself in psychic and somatic signs. The psychic sign consists in a peculiar feeling of tension of a most urgent character, and among the manifold somatic signs the many changes in the genitals stand first. They have a definite meaning, that of readiness; they constitute a preparation for the sexual act (the erection of the penis and the glandular activity of the vagina).

The Sexual Tension—The character of the tension of sexual excitation is connected with a problem the solution of which is as difficult as it would be important for the conception of the sexual process. Despite all divergence of opinion regarding it in psychology, I must firmly maintain that a feeling of tension must carry with it the character of displeasure. For me it is conclusive that such a feeling carries with it the impulse to alter the psychic situation, and acts incitingly, which is quite contrary to the nature of perceived pleasure. But if we ascribe the tension of the sexual excitation to the feelings of displeasure we encounter the fact that it is undoubtedly pleasurably perceived. The tension produced by sexual excitation is everywhere accompanied by pleasure; even in the preparatory changes of the genitals there is a distinct feeling of satisfaction. What relation is there between this unpleasant tension and this feeling of pleasure?

Everything relating to the problem of pleasure and pain touches one of the weakest spots of present-day psychology. We shall try if possible to learn something from the determinations of the case in question and to avoid encroaching on the problem as a whole. Let us first glance at the manner in which the erogenous zones adjust themselves to the new order of things. An important rôle devolves upon them in the preparation of the sexual excitation. The eye which is very remote from the sexual object is most often in position, during the relations of object wooing, to become attracted by that particular quality of excitation, the motive of which we designate as beauty in the sexual object. The excellencies of the sexual object are therefore also called "attractions." This attraction is on the one hand already connected with pleasure, and on the other hand it either results in an increase of the sexual excitation or in an evocation of the same where it is still wanting. The effect is the same if the excitation of another erogenous zone, e.g., the touching hand, is added to it. There is on the one hand the feeling of pleasure which soon becomes enhanced by the pleasure from the preparatory changes, and on the other hand there is a further increase of the sexual tension which soon changes into a most distinct feeling of displeasure if it cannot proceed to more pleasure. Another case will perhaps be clearer; let us, for example, take the case where an erogenous zone, like a woman's breast, is excited by touching in a person who is not sexually excited at the time. This touching in itself evokes a feeling of pleasure, but it is also best adapted to awaken sexual excitement which demands still more pleasure. How it happens that the perceived pleasure evokes the desire for greater pleasure, that is the real problem.

Fore-pleasure Mechanism.—But the rôle which devolves upon the erogenous zones is clear. What applies to one applies to all. They are all utilized to furnish a certain amount of pleasure through their own proper excitation, which increases the tension, and which is in turn destined to produce the necessary motor energy in order to bring to a conclusion the sexual act. The last part but one of this act is again a suitable excitation of an erogenous zone; i.e., the genital zone proper of the glans penis is excited by the object most fit for it, the mucous membrane of the vagina, and through the pleasure furnished by this excitation it now produces reflexly the motor energy which conveys to the surface the sexual substance. This last pleasure is highest in its intensity, and differs from the earliest ones in its mechanism. It is altogether produced through discharge, it is altogether gratification pleasure and the tension of the libido temporarily dies away with it.

It does not seem to me unjustified to fix by name the distinction in the nature of these pleasures, the one through the excitation of the erogenous zones, and the other through the discharge of the sexual substance. In contradistinction to the end-pleasure, or pleasure of gratification of sexual activity, we can properly designate the first as fore-pleasure. The fore-pleasure is then the same as that furnished by the infantile sexual impulse, though on a reduced scale; while the end-pleasure is new and is probably connected with determinations which first appear at puberty. The formula for the new function of the erogenous zones reads as follows: they are utilized for the purpose of making possible the production of the greater pleasure of gratification by means of the fore-pleasure which is gained from them as in infantile life.

I have recently been able to elucidate another example from a quite different realm of the psychic life, in which likewise a greater feeling of pleasure is achieved by means of a lesser feeling of pleasure which thereby acts as an alluring premium. We had there also the opportunity of entering more deeply into the nature of pleasure.[2]

Dangers of the Fore-pleasure.—However the connection of fore-pleasure with the infantile life is strengthened by the pathogenic rôle which may devolve upon it. In the mechanism through which the fore-pleasure is expressed there exists an obvious danger to the attainment of the normal sexual aim. This occurs if it happens that there is too much fore-pleasure and too little tension in any part of the preparatory sexual process. The motive power for the further continuation of the sexual process then escapes, the whole road becomes shortened, and the preparatory action in question takes the place of the normal sexual aim. Experience shows that such a hurtful condition is determined by the fact that the erogenous zone concerned or the corresponding partial impulse has already contributed an unusual amount of pleasure in infantile life. If other factors favoring fixation are added a compulsion readily results for the later life which prevents the fore-pleasure from arranging itself into a new combination. Indeed, the mechanism of many perversions is of such a nature; they merely represent a lingering at a preparatory act of the sexual process.

The failure of the function of the sexual mechanism through the fault of the fore-pleasure is generally avoided if the primacy of the genital zones has also already been sketched out in infantile life. The preparations of the second half of childhood (from the eighth year to puberty) really seem to favor this. During these years the genital zones behave almost as at the age of maturity; they are the seat of exciting sensations and of preparatory changes if any kind of pleasure is experienced through the gratification of other erogenous zones; although this effect remains aimless, i.e., it contributes nothing towards the continuation of the sexual process. Besides the pleasure of gratification a certain amount of sexual tension appears even in infancy, though it is less constant and less abundant. We can now understand also why in the discussion of the sources of sexuality we had a perfectly good reason for saying that the process in question acts as sexual gratification as well as sexual excitement. We note that on our way towards the truth we have at first enormously exaggerated the distinctions between the infantile and the mature sexual life, and we therefore supplement what has been said with a correction. The infantile manifestations of sexuality determine not only the deviations from the normal sexual life but also the normal formations of the same.

It remains entirely unexplained whence the sexual tension comes which originates simultaneously with the gratification of erogenous zones and what is its nature. The obvious supposition that this tension originates in some way from the pleasure itself is not only improbable in itself but untenable, inasmuch as during the greatest pleasure which is connected with the voiding of sexual substance there is no production of tension but rather a removal of all tension. Hence, pleasure and sexual tension can be only indirectly connected.

The Rôle of the Sexual Substance.—Aside from the fact that only the discharge of the sexual substance can normally put an end to the sexual excitement, there are other essential facts which bring the sexual tension into relation with the sexual products. In a life of continence the sexual activity is wont to discharge the sexual substance at night during pleasurable dream hallucinations of a sexual act, this discharge coming at changing but not at entirely capricious intervals; and the following interpretation of this process—the nocturnal pollution—can hardly be rejected, viz., that the sexual tension which brings about a substitute for the sexual act by the short hallucinatory road is a function of the accumulated semen in the reservoirs for the sexual products. Experiences with the exhaustibility of the sexual mechanism speak for the same thing. Where there is no stock of semen it is not only impossible to accomplish the sexual act, but there is also a lack of excitability in the erogenous zones, the suitable excitation of which can evoke no pleasure. We thus discover incidentally that a certain amount of sexual tension is itself necessary for the excitability of the erogenous zones.

One would thus be forced to the assumption, which if I am not mistaken is quite generally adopted, that the accumulation of sexual substance produces and maintains the sexual tension. The pressure of these products on the walls of their receptacles acts as an excitant on the spinal center, the state of which is then perceived by the higher centers which then produce in consciousness the familiar feeling of tension. If the excitation of erogenous zones increases the sexual tension, it can only be due to the fact that the erogenous zones are connected with these centers by previously formed anatomical connections. They increase there the tone of the excitation, and with sufficient sexual tension they set in motion the sexual act, and with insufficient tension they merely stimulate a production of the sexual substance.

The weakness of the theory which one finds adopted, e.g., in v. Krafft-Ebing's description of the sexual process, lies in the fact that it has been formed for the sexual activity of the mature man and pays too little heed to three kinds of relations which should also have been elucidated. We refer to the relations as found in the child, in the woman, and in the castrated male. In none of the three cases can we speak of an accumulation of sexual products in the same sense as in the man, which naturally renders difficult the general application of this scheme; still it may be admitted without any further ado that ways can be found to justify the subordination of even these cases. Nevertheless one should be cautious about burdening the factor of accumulation of sexual products with actions which it seems incapable of supporting.

Overestimation of the Internal Genitals.—That sexual excitement can be independent to a considerable extent of the production of sexual substance seems to be shown by observations on castrated males, in whom the libido sometimes escapes the injury caused by the operation, although the opposite behavior, which is really the motive for the operation, is usually the rule. It is therefore not at all surprising, as C. Rieger puts it, that the loss of the male germ glands in maturer age should exert no new influence on the psychic life of the individual. The germ glands are really not the sexuality, and the experience with castrated males only verifies what we had long before learned from the removal of the ovaries, namely that it is impossible to do away with the sexual character by removing the germ glands. To be sure, castration performed at a tender age, before puberty, comes nearer to this aim, but it would seem in this case that besides the loss of the sexual glands we must also consider the inhibition of development and other factors which are connected with that loss.

Chemical Theories.—The truth remains, however, that we are unable to give any information about the nature of the sexual excitement for the reason that we do not know with what organ or organs sexuality is connected, since we have seen that the sexual glands have been overestimated in this significance. Since surprising discoveries have taught us the important rôle of the thyroid gland in sexuality, we may assume that the knowledge of the essential factors of sexuality are still withheld from us. One who feels the need of filling up the large gap in our knowledge with a preliminary assumption may formulate for himself the following theory based on the active substances found in the thyroid. Through the appropriate excitement of erogenous zones, as well as through other conditions under which sexual excitement originates, a material which is universally distributed in the organism becomes disintegrated, the decomposing products of which supply a specific stimulus to the organs of reproduction or to the spinal center connected with them. Such a transformation of a toxic stimulus in a particular organic stimulus we are already familiar with from other toxic products introduced into the body from without. To treat, if only hypothetically, the complexities of the pure toxic and the physiologic stimulations which result in the sexual processes is not now our appropriate task. To be sure, I attach no value to this special assumption and I shall be quite ready to give it up in favor of another, provided its original character, the emphasis on the sexual chemism, were preserved. For this apparently arbitrary statement is supported by a fact which, though little heeded, is most noteworthy. The neuroses which can be traced only to disturbances of the sexual life show the greatest clinical resemblance to the phenomena of intoxication and abstinence which result from the habitual introduction of pleasure-producing poisonous substances (alkaloids.)

Concerning the fates of the object libido we also state that it is withdrawn from the object, that it is preserved floating in special states of tension and is finally taken back into the ego, so that it again becomes ego-libido. In contradistinction to the object-libido we also call the ego-libido narcissistic libido. From psychoanalysis we look over the boundary which we are not permitted to pass into the activity of the narcissistic libido and thus form an idea of the relations between the two. The narcissistic or ego-libido appears to us as the great reservoir from which the energy for the investment of the object is sent out and into which it is drawn back again, while the narcissistic libido investment of the ego appears to us as the realized primitive state in the first childhood, which only becomes hidden by the later emissions of the libido, and is retained at the bottom behind them.

The task of a theory of libido of neurotic and psychotic disturbances would have for its object to express in terms of the libido-economy all observed phenomena and disclosed processes. It is easy to divine that the greater significance would attach thereby to the destinies of the ego-libido, especially where it would be the question of explaining the deeper psychotic disturbances. The difficulty then lies in the fact that the means of our investigation, psychoanalysis, at present gives us definite information only concerning the transformation of the object-libido, but cannot distinguish without further study the ego-libido from the other effective energies in the ego.[3]

It is known that the sharp differentiation of the male and female character originates at puberty, and it is the resulting difference which, more than any other factor, decisively influences the later development of personality. To be sure, the male and female dispositions are easily recognizable even in infantile life; thus the development of sexual inhibitions (shame, loathing, sympathy, etc.) ensues earlier and with less resistance in the little girl than in the little boy. The tendency to sexual repression certainly seems much greater, and where partial impulses of sexuality are noticed they show a preference for the passive form. But, the autoerotic activity of the erogenous zones is the same in both sexes, and it is this agreement that removes the possibility of a sex differentiation in childhood as it appears after puberty. In respect to the autoerotic and masturbatic sexual manifestations, it may be asserted that the sexuality of the little girl has entirely a male character. Indeed, if one could give a more definite content to the terms "masculine and feminine," one might advance the opinion that the libido is regularly and lawfully of a masculine nature, whether in the man or in the woman; and if we consider its object, this may be either the man or the woman.[4]

Since becoming acquainted with the aspect of bisexuality I hold this factor as here decisive, and I believe that without taking into account the factor of bisexuality it will hardly be possible to understand the actually observed sexual manifestations in man and woman.

The Leading Zones in Man and Woman.—Further than this I can only add the following. The chief erogenous zone in the female child is the clitoris, which is homologous to the male penis. All I have been able to discover concerning masturbation in little girls concerned the clitoris and not those other external genitals which are so important for the later sexual functions. With few exceptions I myself doubt whether the female child can be seduced to anything but clitoris masturbation. The frequent spontaneous discharges of sexual excitement in little girls manifest themselves in a twitching of the clitoris, and its frequent erections enable the girl to understand correctly even without any instruction the sexual manifestations of the other sex; they simply transfer to the boys the sensations of their own sexual processes.

If one wishes to understand how the little girl becomes a woman, he must follow up the further destinies of this clitoris excitation. Puberty, which brings to the boy a great advance of libido, distinguishes itself in the girl by a new wave of repression which especially concerns the clitoris sexuality. It is a part of the male sexual life that sinks into repression. The reënforcement of the sexual inhibitions produced in the woman by the repression of puberty causes a stimulus in the libido of the man and forces it to increase its capacity; with the height of the libido there is a rise in the overestimation of the sexual, which can be present in its full force only when the woman refuses and denies her sexuality. If the sexual act is finally submitted to and the clitoris becomes excited its rôle is then to conduct the excitement to the adjacent female parts, and in this it acts like a chip of pine wood which is utilized to set fire to the harder wood. It often takes some time for this transference to be accomplished; during which the young wife remains anesthetic. This anesthesia may become permanent if the clitoris zone refuses to give up its excitability; a condition brought on by abundant activities in infantile life. It is known that anesthesia in women is often only apparent and local. They are anesthetic at the vaginal entrance but not at all unexcitable through the clitoris or even through other zones. Besides these erogenous causes of anesthesia there are also psychic causes likewise determined by the repression.

If the transference of the erogenous excitability from the clitoris to the vagina has succeeded, the woman has thus changed her leading zone for the future sexual activity; the man on the other hand retains his from childhood. The main determinants for the woman's preference for the neuroses, especially for hysteria, lie in this change of the leading zone as well as in the repression of puberty. These determinants are therefore most intimately connected with the nature of femininity.