Tics and Their Treatment Part 8
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We may thus regard tic as an obsolete, anomalous function--a _parasite function_--engendered by some abnormal mental phenomenon, but obeying the immutable law of action and reaction between organ and function, and therefore just as p.r.o.ne to establish itself as any motor act of the physiological order.
CHAPTER IV
THE MENTAL CONDITION OF TIC SUBJECTS
The existence of psychical abnormalities in the subjects of tics is no new observation. Charcot[18] used to say that tic was a psychical disease in a physical guise, the direct offspring of mental imperfection--an aspect of the question which has been emphasised by Brissaud and by ourselves on more than one occasion.[19]
How is the involuntary and irrational repet.i.tion of a voluntary and rational act to be explained? Why is inhibition of a confirmed tic so laborious? It is precisely because its victim cannot obviate the results of his own mental insufficiency. Exercise of the will can check the convulsive movement, but it is unfortunately in will power that the patient is lacking. He shows a peculiar turn of mind and a certain eccentricity of behaviour, indicative of a greater or less degree of instability (Brissaud). Noir writes in much the same strain, that careful examination will readily demonstrate the secondary nature of the motor trouble; behind it a mental defect lurks, which may pa.s.s for singularity of character merely, or childish caprice, but which none the less may be the earliest manifestation of fixed ideas and of mania.
It is a matter of some difficulty to describe adequately the features of this mental condition; their extreme variability has its counterpart in the diversity of the motor phenomena. In this polymorphism of psychical defect is justification for the numbering of the tic patient with the vast crowd of degenerates, and indeed Magnan[20] is content to consider tic one of the mult.i.tudinous signs of mental degeneration. As a matter of fact, one does find numerous physical and mental stigmata in those who tic, just as one finds them in those who do not.
It therefore becomes desirable to specify in greater detail the mental peculiarities of patients who, by reason of their motor anomalies, form a distinct clinical group both from the neuropathological and from the psychiatrical point of view. The pathogeny of these motor troubles will thus be elucidated and valuable indications for treatment obtained.
Whatever be our theory of tic, whatever be the shape the individual tic a.s.sumes, it is in essence always a perturbation of motility, corresponding to a psychical defect. No doubt appearances are deceptive, and the brilliance of the subject's natural gifts may mask his failings.
His intelligence may be high, his imagination fertile, his mind apt, alert, and original, and it may require painstaking investigation to reveal shortcomings none the less real. This practice we have scrupulously observed in all the cases that have come under our notice, and we believe that the information gleaned in this way, coupled with the results of previous workers, warrants the attempt at a systematic description of the mental state common to all who tic.
Charcot[21] had already remarked the presence of certain signs or psychical stigmata indicative of degeneration, or of instability, as he preferred to say, inasmuch as the mental anomalies of these so-called degenerates were not only frequently un.o.btrusive, but in a great many cases a.s.sociated with intellectual faculties of the first order. His contention has been amplified by Ballet:[22]
The striking feature of these "superior degenerates" or "unstables"
it not the insufficiency, but the inequality, of their mental development. Their apt.i.tude for art, literature, poetry, less often for science, is sometimes remarkable; they may fill a prominent place in society; many are men of talent, some even of genius; yet what surprises is the embryonic condition of one or other of their faculties. Brilliance of memory or of conversational gifts may be counteracted by absolute lack of judgment; solidity of intellect may be neutralised by more or less complete absence of moral sense.
In the category of "superior degenerates"--to use Ballet's terminology--will be found the vast majority of sufferers from tic, of whom O. may serve for the model. A no less instructive example is that of J.:
Of superior intelligence, lively disposition, and ingenious turn of mind, J. is dowered with unusual capabilities for a.s.similation.
Everything comes easy to him. At school he was one of the foremost pupils, and his work elicited only expressions of praise. He is both musical and poetical; his quickness and neatness of hand find outlet in his pa.s.sion for electricity and photography; for mathematics alone he has little inclination.
In a word, as with physical imperfection, so with mental--it may consist either in absence, arrest, or delay, or in overgrowth, increase, exaggeration, and these contrary processes may co-exist in the same individual. Sufficient stress, however, has not been laid on a practically constant feature in the character of the _tiqueur_--viz. his _mental infantilism_, evidenced, as was noted by Itard in 1825, by inconsequence of ideas and fickleness of mind, reminiscent of early youth and unaltered with the attainment of years of discretion. We must remember that imperfection of mental equilibrium is normal in the child, and that perfection comes with adolescence. In the infant cortico-spinal anastomoses are awanting, and volitional power is dependent on their establishment and development. At first, cortical intervention is inharmonious and unequal: the child is vacillating and volatile; he is a creature of sudden desire and transient caprice; he turns lightly from one interest to another, and is incapable of sustained effort; at once timid and rash, artless and obstinate, he laughs or cries on the least provocation; his loves and his hates are alike unbounded.
These traits in the child's character pertain equally to the patient with tic, in whom r.e.t.a.r.ded or arrested development of volition, physical and mental evolution otherwise being normal, is the princ.i.p.al cause of faulty mental balance. That this view is correct may be inferred from a comparison of the individual patient with healthy subjects of his own age. The chief element in mental infantilism is maldevelopment of the will. While in the child deficiency of what one might call mental ballast is usually atoned for by well-conceived discipline and education, it is accentuated by misdirected teaching. Now, it not infrequently happens that the upbringing of the predisposed to tic is not all that might be desired, seeing that mental defect on the part of the parents renders them unsuitable as instructors of youth. Parental indulgence or injustice is the fertile source of ill-bred or spoiled children, in whom, spite of years, persist the mental peculiarities proper to childhood. From the ranks of these spoiled children is recruited the company of those who tic, for tics, generally speaking, are nothing more than bad habits, which, in the absence of all restraining influence, negligence and weakness on the side of the parents have allowed to degenerate into veritable infirmities. These the patients themselves are incapable of inhibiting, for whatever be their age, they remain "big children," badly bred and capricious, and ignorant of any self-control. Hence one of the first indications in their treatment is to submit them to a firm psychical discipline, calculated specially to strengthen their hold over their voluntary acts. Take the following case:
J. is nineteen years old, intelligent, educated, ready to graduate were it not for the interruptions his studies have undergone, and to all appearance arrived at manhood's estate. None the less he presents to-day the mental condition of nine years ago: he is fickle, pusillanimous, nave, emotional; he laughs at trifles and is provoked to tears at the first harsh word; his nature is restless, his mind inconsequential; he is by turns elated or depressed for the most trivial of reasons. Notwithstanding his seventy-one inches, he must still be fed, dressed, and put to bed by his mother!
An identical mental state obtains in infantilism, properly so called, where to arrest of mental development physical imperfection is superadded. In cases of infantilism the psychical level corresponds more or less intimately to the somatic level, an observation borne out in the case of J.:
From the morphological point of view he shows one or two stigmata of infantilism: his great height need not be held to disprove this, for gigantism and r.e.t.a.r.dation of s.e.xual development are often in a.s.sociation. In spite of his nineteen years, J. has still a eunuch's voice and a minimum of axillary and pubic hair--in fact, one might say that physically he is thirteen years old, and mentally ten.
Or take Mademoiselle R., aged twenty-six:
Her intellectual attainments are those of a child of twelve, her age when her first tics made their appearance. Her artlessness and timidity are simply childish, and at the same time she lacks womanly charm and feminine ways.
Or again:
Young thirteen-year-old M. has been afflicted with tics of face, head, and shoulders for the last three years. Though small, he is well enough built, and has no obvious physical anomaly except an odd admixture of blonde and brown in his hair and eyebrows. His teeth are bad and misplaced, and several of the first dent.i.tion persist. There is no sign of pubic or axillary growth. As a general rule he is mild-mannered and docile; sometimes, however, he is irritable, impatient, emotional beyond his years. His degree of intelligence is very fair, but idleness and inconstancy are prominent traits in his character. The ease with which he apprehends is counterbalanced by the readiness with which he forgets, while his reason and judgment are those of a child of seven. The discordance between his actual age and his mental standard is therefore striking enough.
Another of our patients is L.:
Her intellect is quite up to the average, but the exaggerated importance attached by her parents to her "nervous movements" has only served to intensify her whims. Her eighteen years do not prevent her from revealing signs of mental infantilism in every action of her daily life, but, thanks to suitable treatment, she has been astonis.h.i.+ng her father by unheard-of audacities--has she not recently ventured to cross the street alone, and alone to go an errand to a neighbouring shop?
X. has a tic of the eyes and has reached the age of forty-eight, yet he told us he was not so much his children's father as their playmate. At the age of fifty-four O. could still remark on his youthfulness of character. The same is true of S., who has attained his thirty-eighth year.
It is as arduous a task to define the term "stability of the will," as it is to explain what is meant by physical or mental health. But as it is not essential to preface descriptions of disease with a disquisition on the signs of good health, so anomalies of voluntary activity may surely be noted without a preliminary excursus on normal volition.
Will power may deviate from the normal in either of two directions--in the direction of excess or of insufficiency. To both of these two forms of volitional disturbance the subjects of tic have become slaves.
Weakness of will is seen in irresoluteness of mind, flight of ideas, want of perseverance; exuberance of will in sudden vagary or imperious caprice. The man who tics has both the debility and the impulsiveness of the child; to his impatience his incapacity for sustained effort acts as a set-off; he is impressionable, wavering, thoughtless, even as he is mettlesome and irascible. He does not know how to will; he wills too much or too little, too quickly, too restrictedly.
As a single example of volitional activity, let us take the attention.
Diminution of attention on the part of tic patients has been judiciously commented on by Guinon:
It is impossible for them to address themselves to any subject: they skip unceasingly from one idea to another, and apply themselves with zest to some occupation only to forget it immediately. No further proof of this need be sought than the inability of the patient, if he be at all severely affected, to read, a proceeding at once intellectual and mechanical, and absolutely familiar to most. Read the patient cannot, and though the attempt to concentrate the attention diminishes or inhibits the tic at once, there is no sequence in his effort; his eye jumps erratically from one line to another, and his many unavailing trials end in his throwing the book away.
Excess of voluntary activity is disclosed in the whole series of impulsions.
The germ of homicidal or suicidal tendencies, which we have indicated in the case of O., is discoverable also in one of Charcot's patients.[23]
_M. Charcot_ (to the patient)--Tell us what you said the other day about razors.
_The Patient_--Whenever I see a razor or a knife, I begin to thrill and feel afraid. I imagine I am going to kill some one, or that some one is going to kill me. I have the same sensation when I see a gun, or even if the notion of a gun comes to my mind. The mere thought of it agonises me. The fancy of murdering some one strikes me, and up to a certain point I am envious of fulfilling the desire. Often I am conscious of an irresistible longing to fight somebody, and I am frequently impelled to it by the sight of a cabman. Why a cabman more than any one else, I have not the remotest idea.
We have already touched on the close affinity between an act and the idea of the act, and we have emphasised the absence of any appreciable interval between the idea and its execution, unless the brake of volitional interference be put on at the proper moment. It is in these circ.u.mstances that the feeble of will betray their debility; the inadequateness or inopportuneness of their will's activity allows the performance of the act they would fain repress.
A no less characteristic feature of the subject of tic is his impatience.
J. bolts his food without waiting to masticate it, and the instant his plate is empty jumps up from the table to walk about the house.
He returns for the next course, which he swallows as precipitately; delay makes him impatient, and all are forced to rush as he does.
Meal time for the whole family has become a perfect punishment.
Alarmed enough already at his tics, the parents are terror-stricken by the tyrannical caprices of this big baby, who outvies the worst of spoilt children in his behaviour.
Mental instability is not uncommonly a.s.sociated with a general restlessness and fidgetiness during intervals of respite from the actual tics. The patient experiences a singular difficulty in maintaining repose. Every minute he is moving his finger, his foot, his arm, his head. He pa.s.ses his hand over his forehead, runs his fingers through his hair, rubs his eyes or his lips, ruffles his clothes, plays with his handkerchief or with anything within reach, crosses and uncrosses his legs, etc. None of these gestures can properly be considered a tic, for, however frequent be its repet.i.tion, it is neither inevitable nor invariable. If they are superfluous and out of place, the absence of exaggeration or absurdity negatives their cla.s.sification as ch.o.r.eic.
They are a sign not so much of motor hyperactivity as of volitional inactivity. They are tics in embryo.
The patient's emotions are similarly ill balanced. Any rearrangement in his habits he finds disconcerting; he is upset by an unexpected word, a deed, a look; his timidity and sensitiveness are extreme--fertile soil for the development of tics.
So, too, with his affections, his likes and dislikes, his friends.h.i.+ps and enmities--there is commonly a disproportion about them that betokens mental deficiency. At one time it is fear or repulsion that actuates him; at another it is an unnatural tenderness, a sort of _philia_, if the term may be allowed.
Anomalies such as these, however, are met with in all the mentally unstable, and do not present any special feature when they occur in those who tic.
An acquaintance with the mental state of our patients enables us to understand the mode their tic adopts. As one thinks, so does one tic. To the transiency and mutability of the child's ideas correspond what are known as variable tics, which rarely have a definite localisation, and become fixed only when certain ideas become preponderant. The existence of a solitary tic, however, is not at variance with that disposition we have qualified as infantile, for mental infantilism is the original stock; on it, as a matter of fact, may be grafted further mental disorders in the shape of fixed ideas, phobias, or obsessions.
Should a fixed idea entail a motor reaction, it may give rise to a tic as ineradicable as the idea itself, and a series of fixed ideas may be accompanied by a succession of corresponding tics.
The frequency with which obsessions, or at least a proclivity for them, and tics are a.s.sociated, cannot be a simple coincidence. Without defining the word obsession, let us be content to recall the excellent cla.s.sification given by Regis, according to whom they mark a flaw in voluntary power, either of inhibition or of action. On the one hand we have _impulsive obsessions_, subdivided into obsessions of indecision, such as ordinary _folie du doute_; of fear, such as agoraphobia; of propensity, such as those of suicide or homicide. On the other we find the _aboulic obsessions_, such as inability to stand up (ananastasia), or to climb up (ananabasia), or the astasia-abasia of Seglas, or the akathisia of Haskowec. Perhaps we ought also to place here sensory obsessions in the shape of topoalgia, and even hallucinatory affections.
In all these varieties of obsession increase or diminution of volitional activity is undeniable. But this alteration in the function of the will is no less distinctive of tic, and if we compare the psychical stigmata of obsessional patients--the asymmetry of their mental development, their intellectual inequalities and lack of harmony, their alternating excitability and depression, their unconventionalities, eccentricities, and imaginativeness, their timidity, whimsicalness, sensitiveness, and all the other indications of a psychopathic const.i.tution--if these are compared with the mental equipment of the sufferer from tic, we cannot but notice intimate a.n.a.logies between the two, a.n.a.logies corroborated by a glance at their symptomatology.
An obsession may be of idiopathic origin, or it may be causally connected with some particular incident, sensation, or emotion. A conflagration may determine fear of fire, or a carriage accident amaxophobia. Further, the obsession is irresistible, as is the tic: opposition endures but for a moment, and is therefore vain. Nor is the inhibitory value of attention or distraction any less ephemeral. This feature of tic was noted as long ago as 1850 by Roth, who held its motor manifestations to be phenomena of "irresistible musculation."
Tics and Their Treatment Part 8
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