The Mask of Sanity (Cleckley 5th Ed)

Extracts from “The Mask of Sanity” by Prof Hervey M Cleckley

“Master deceivers who secretly possess no moral or ethical restraints, yet behave in public with excellent function” [Wikipedia, Cleckley]

Comment on “The Mask of Sanity”:

“The text text is considered to be a seminal work and the most influential clinical description of psychopathology in the twentieth century. The basic elements of psychopathology outlined by Cleckley are still relevant today. The title refers to the normal “mask” that conceals the mental disorder of the psychopathic person according to Cleckley’s conceptualisation.

Cleckley describes the psychopathic person as outwardly a perfect mimic of a normally functioning person, able to mask or disguise the fundamental lack of internal personality structure, an internal chaos that results in repeatedly purposeful destructive behaviour, often more self-destructive than destructive to others.

Despite the seemingly sincere, intelligent, even charming external presentation, internally the psychopathic person does not have the ability to experience genuine emotions.

Cleckley questions whether this mask of sanity is voluntarily assumed to intentionally hide the lack of internal structure, but concludes it hides a serious, but yet imprecisely unidentified, semantic neuropsychiatric defect.” (Amazon Hardback)

Some extracts (many more possible):

  1. The psychopath presents an important and challenging enigma for which no adequate solution has yet been found. (Preface)
  2. The lack of major satisfactions and aspirations and the freedom from serious scruples or remorse might leave such a person free to act out any whim of folly or rebellion and offer some explanation for such a career. (p117)
  3. He gives the impression that he is incapable of ever attaining realistic comprehension of an attitude in other people which causes them to value truth and cherish truthfulness in themselves. (p342)
  4. On being detected in activities that would produce fear, shame, or consternation in others, this patient often showed simple insouciance. (p118)
  5. I have not been able to discover a sense of guilt or remorse (conscious or unconscious) in any of the psychopaths I have studied. (p239)
  6. Plainly and glibly ignore responsibility for every known misdemeanour and pride themselves in evading penalties and in flouting the basic principles of justice. (p239)
  7. The psychopath’s unreliability and his disregard for obligations and for consequences are manifested in both trivial and serious matters, are masked by demonstrations of conforming behaviour, and cannot be accounted for by ordinary motives or incentives. (p342)
  8. Although weak and even infantile drives displaying themselves theatrically in the absence of ordinary inhibitions may impress the layman as mighty forces, it is hardly to be concluded that wise and deeply experienced psychiatrists would be similarly deceived. (p349)
  9. Few, if any, of the scruples that in the ordinary man might oppose and control such impulses [toward reprisal] seem to influence him. (p390)
  10. Sharply characterised by the lack of anxiety (remorse, uneasy anticipation, apprehensive scrupulousness, the sense of being under stress or strain). (p258)
  11. The very great egocentricity, the inability to form any important or binding attachment to another, the failure ever to realise and grasp the very meaning of responsibility. (p241)
  12. Regularly we find extraordinary poise rather than jitteriness or worry… Even under concrete circumstances that would for the ordinary person cause embarrassment, confusion, acute insecurity, or visible agitation, his relative serenity is likely to be noteworthy. (p340)
  13. The psychopath shows a remarkable disregard for truth and is to be trusted no more in his accounts of the past than in his promises for the future or his statement of present intentions. (p341)
  14. Typically he is at ease and unpretentious in making a serious promise or in (falsely) exculpating himself from accusations, whether grave or trivial. His simplest statement in such matters carries special powers of conviction. Overemphasis, obvious glibness, and other traditional signs of the clever liar do not usually show in his words or in his manner. Whether there is reasonable chance for him to get away with the fraud or whether certain and easily foreseen detection is at hand, he is apparently unperturbed and does the same impressive job. (p342)
  15. Candour and trustworthiness seem implicit in him at such times. During the most solemn perjuries he has no difficulty at all in looking anyone tranquilly in the eyes. (p342)
  16. It is indeed difficult to express how thoroughly straightforward some typical psychopaths can appear. They are disarming not only to those unfamiliar with such patients but often to people who know well from experience their convincing outer aspect of honesty. (p342)
  17. After being caught in shameful and gross falsehoods, after repeatedly violating his most earnest pledges, he finds it easy, when another occasion arises, to speak of his word of honour, his honour as a gentleman, and he shows surprise and vexation when commitments on such a basis do not immediately settle the issue. The conception of living up to his word seems, in fact, to be regarded as little more than a phrase sometimes useful to avoid unpleasantness or to gain other ends. (p342)
  18. Certain personalities have been described and perhaps exist in actual life, who, unlike the ordinary criminal, seem to live by hate and cherish destructiveness not so much to gain power or material benefits but because they grow to love hate and destructiveness.
  19. No one questions the plain fact that he is ill and gravely ill. Some psychopathologists believe that he is ill primarily (or largely) because of his unconscious hate for those he loves and his impulses to destroy them (p420) [more apt: unconscious hate for those he “should love” or “cannot love” and his impulses to destroy them?]
  20. Sharply distinguishing points emerge when we consider the persistent purposiveness, the strong and sustained malice with which this woman works to destroy all happiness for children, husbands, and paramours. A conscious brutality prevails. Destructive impulses are directed consistently by open hate.
  21. The emotional damage he may (and often does) inflict on others, mate, parents, children, is not, it seems, inflicted for any major voluntary purpose or from a well-focused motive but from what weighs in at little more than whim or caprice.
  22. The real psychopath seems to lack understanding of the nature and quality of the hurt and sorrow he brings to others.
  23. Despite the extraordinarily poor judgment demonstrated in behaviour, in the actual living of his life, the psychopath characteristically demonstrates unimpaired (sometimes excellent) judgment in appraising theoretical situations. (p346) (ie in which he has no personal involvement; well capable of giving a superb lecture on business ethics, yet behaving highly unethically as soon as he leaves the lecture theatre, without remorse)
  24. In complex matters of judgment involving ethical, emotional, and other evaluational factors, in contrast with matters requiring only (or chiefly) intellectual reasoning ability, he also shows no evidence of a defect. So long as the test is verbal or otherwise abstract, so long as he is not a direct participant, he shows that he knows his way about. He can offer wise decisions not only for others in life situations but also for himself so long as he is asked what he would do (or should do, or is going to do). When the test of action comes to him we soon find ample evidence of his deficiency. (p346) [ie can appear rational in many situations, including hypothetical, when he perceives his self-interest is not a factor or may not be under threat; but when his self-interest is threatened (even if it isn’t, just his perception that it may be) and he considers he may not “get his own way”, not unlike a primary school infant, every ability to rationally deliberate issues appears to fly out the window, a matter that neuroscience doesn’t appear to have explained – yet!]
  25. The psychopath apparently cannot accept substantial blame for the various misfortunes which befall him and which he brings down upon others, usually he denies emphatically all responsibility and directly accuses others as responsible. (p343)
  26. Diminution of emotional range in the psychopath is far-reaching, profound and final. (p349)
  27. Interest in the problem was almost never manifested by the patients themselves. The interest was desperate, however, among families, parents, wives, husbands, brothers, who had struggled long and helplessly with a major disaster for which they found not only no cure and no social, medical, or legal facility for handling, but also no full or frank recognition that a reality so obvious existed. (Preface – first edition of which was 1941 before being updated up to the fifth edition in 1988, from which these extracts have been taken; though this perhaps could have been written centuries ago given the impact such “master deceivers who secretly possess no moral or ethical restraints, yet behave in public with excellent function” [Wikipedia, Cleckley] are likely to have played in many of society’s less savoury situations and events).
  28. Another factor worth mentioning is the psychopath’s almost uniform unwillingness to apply, like other ill people, for hospitalisation or for any other medical service. Many patients ill with the major personality disorders we classify as psychoses do not voluntarily seek treatment. Some do not recognise any such need and may bitterly oppose, sometimes by violent combat, all efforts to send them to psychiatric hospitals. Such patients, however, are well recognised. (p17)
  29. When we consider on the other hand these antisocial or psychopathic personalities, we find not one in one hundred who spontaneously goes to his physician to seek help. (p19)
  30. If relatives, alarmed by his disastrous conduct, recognise that treatment, or at least supervision, is an urgent need, they meet enormous obstacles. (p19)
  31. The psychopath, unlike all other serious psychiatric cases, can refuse to go to any hospital or to accept any other treatment or restraint. His refusal is regularly upheld by our courts of law, and grounds for this are consistent with the official appraisal of his condition by psychiatry. (p19)
  32. Nearly always he does refuse and successfully oppose the efforts of his relatives to have him cared for. It is seldom that a psychopath accepts hospitalisation or even outpatient treatment unless some strong means of coercion happens to be available. (p19)
  33. The threat of cutting off his financial support, of bringing legal action against him for forgery or theft, or of allowing him to remain in jail may move him to visit a physician’s office or possibly to enter a hospital. Subsequent events often demonstrate that he is acting not seriously and with the understanding he professes but for the purpose of evasion, whether he himself realises this or not. He usually breaks off treatment as soon as the evasion has been accomplished. (p19)
  34. It is also true that only a small proportion of typical psychopaths are likely to be found in penal institutions, since the typical patient… is not likely to commit major crimes that result in long prison terms. He is also distinguished by his ability to escape ordinary legal punishments and restraints. Though he regularly makes trouble for society, as well as for himself, and frequently is handled by the police, his characteristic behaviour does not usually include committing felonies which would bring about permanent or adequate restriction of his activities. He is often arrested, perhaps one hundred times or more. But he nearly always regains his freedom and returns to his old patterns of maladjustment. (p19)
  35. Much of the difficulty that mental institutions have in their relations with the psychopath springs from a lack of awareness in the public that he exists. The law in its practical application provides no means whereby the community can adequately protect itself from such people. And no satisfactory facilities can be found for their treatment. (p14)
  36. These people, whom I shall usually call psychopaths for want of a better word, are, as a matter of fact, the problem of juries, courts, relatives, the police, and the general public no less than of the psychiatrist… It is important that the average physician at least be aware that there is such a problem. It is difficult, however, for society to hold these people to account for their damaging conduct or to apply any control that will prevent its continuing. (p14)
  37. Although I still have no effective treatment to offer for the psychopath (antisocial personality), it has encouraged me to feel that this book has, perhaps, served a useful purpose in making clearer to the families of these patients the grave problems with which they must deal. (Preface)
  38. Apparently many psychiatrists, and many other physicians, have over the years advised relatives of psychopaths to read The Mask of Sanity. The response of these relatives has given me deep satisfaction and has helped me to feel that efforts to pursue this study are not in vain. Although we may still be far from the goal of offering a cure, perhaps something has already been done to focus general interest on the problem and to promote awareness of its tremendous importance. This must be accomplished, I believe, before any organised attempt can be made by society to deal adequately, or even cogently, with the psychopath. (Preface)
  39. Many of these people, legally judged as competent, are more dangerous to themselves and to others than are some patients whose psychiatric disability will necessitate their spending their entire lives in the state hospital. Though certified automatically as sane by the verbal definitions of law and of medicine, their behaviour demonstrates an irrationality and incompetence that are gross and obvious. (p3)
  40. Let us remember that his typical behaviour defeats what appear to be his own aims. Is it not he himself who is most deeply deceived by his apparent normality? Although he deliberately cheats others and is quite conscious of his lies, he appears unable to distinguish adequately between his own pseudo-intentions, pseudo-remorse, pseudo-love, and the genuine responses of a normal person. His monumental lack of insight indicates how little he appreciates the nature of his disorder. (p383)
  41. Although it can be confidently predicted that his failures and disloyalties will continue, it is impossible to time them and to take satisfactory precautions against their effect. Here, it might be said, is not even a consistency in inconsistency but an inconsistency in inconsistency. (p342)
  42. There seems little doubt that he grossly exaggerates and indulges in fantastic lies as he recounts his adventures. (p185)
  43. Be it noted that the result of his conduct brings trouble not only to others but almost as regularly to himself. To take still another point of view and consider him on a basis of those values somewhat vaguely implied by “intellectuality,” “culture,” or, in everyday speech, by “depth of mind,” we find an appalling deficiency. (p39)
  44. I think, however, that the roots of this attitude lie deeper, probably in the core of the psychopath’s essential abnormality – perhaps in a lack of emotional components essential to real understanding. (p173)
  45. His repeated antisocial acts and the triviality of his apparent motivation as well as his inability to learn by experience to make a better adjustment and avoid serious trouble that can be readily foreseen, all make me feel that he is a classic example of psychopathic personality. I think it very likely that he will continue to behave as he has behaved in the past, and I do not know of any psychiatric treatment that is likely to influence this behaviour appreciably or to help him make a better adjustment. (p173)
  46. These concepts in which meaning or emotional significance are considered along with the mechanically rational, if applied to this man, measure him as very small, or very defective. He appears not only ignorant in such modes of function but stupid as well. (p40)
  47. He is unfamiliar with the primary facts or data of what might be called personal values and is altogether incapable of understanding such matters. It is impossible for him to take even a slight interest in the tragedy or joy or the striving of humanity as presented in serious literature or art. He is also indifferent to all these matters in life itself. Beauty and ugliness, except in a very superficial sense, goodness, evil, love, horror, and humour have no actual meaning, no power to move him. (p40)
  48. He is, furthermore, lacking in the ability to see that others are moved. It is as though he were colourblind, despite his sharp intelligence, to this aspect of human existence. It cannot be explained to him because there is nothing in his orbit of awareness that can bridge the gap with comparison. (p40)
  49. He can repeat the words and say glibly that he understands, and there is no way for him to realise that he does not understand. (p40)
  50. His subjective experience is so bleached of deep emotion that he is invincibly ignorant of what life means to others. (p386)
  51. His awareness of hypocrisy’s opposite is so insubstantially theoretical that it becomes questionable if what we chiefly mean by hypocrisy should be attributed to him. Having no major values himself, can he be said to realise adequately the nature and quality of the outrages his conduct inflicts upon others? (p386)
  52. Can a person experience the deeper levels of sorrow without considerable knowledge of happiness? Can he achieve evil intention in the full sense without real awareness of evil’s opposite? I have no final answer to these questions. (p386)
  53. Attempts to interpret the psychopath’s disorder do not, of course, furnish evidence that he has a disorder or that it is serious. For reliable evidence of this we must examine his behaviour. (p386)
  54. Only here, not in psychopathologic formulations, can we apply our judgment to what is objective and demonstrable. Functionally and structurally all is intact on the outside. Good function (healthy reactivity) will be demonstrated in all theoretical trials. Sound judgment as well as good reasoning are likely to appear at verbal levels. Ethical as well as practical considerations will be recognised in the abstract. A brilliant mimicry of sound, social reactions will occur in every test except the test of life itself. In the psychopath we confront a personality neither broken nor outwardly distorted but of a substance that lacks ingredients without which normal function in major life issues is impossible. (p386)
  55. If, in the so-called psychopath, we have a patient profoundly limited in ability to participate seriously in the major aims of life, how, we might inquire, did he get that way? … As time passed it was noted that typical psychopaths were also seen in families of very respectable, ethical, and successful people and were entirely free from all physical stigmata of degeneration. (p403)
  56. The psychopath feels little, if any, guilt. He can commit the most appalling acts, yet view them without remorse. The psychopath has a warped capacity for love. His emotional relationships, when they exist, are meagre, fleeting, and designed to satisfy his own desires. These last two traits, guiltlessness and lovelessness, conspicuously mark the psychopath as different from other men… (p410) [William and Joan McCord]
  57. A very large percentage of the psychopaths I have studied show backgrounds that appear conducive to happy development and excellent adjustment… (p410)
  58. People may be fair, kind, and genial, may hold entirely normal or even admirable attitudes about all important matters and yet unknowingly lack a simple warmth, a capacity for true intimacy that seems to be essential for biologic soundness (substantiality) in some basic relationships. There are men and women of whom it might correctly be said that it is impossible for them ever to become really personal. This aspect (or ingredient) of human experience is difficult to describe or to signify accurately. We do not encounter it squarely in thinking but feel it in perceptive modes or at reactive levels not readily translatable into speech. Let us remember, however, that such qualities may be found in parents of those who are not psychopaths. (p411)
  59. Some who show only superior qualities in all their activities as citizens, in their work, and in all definable responsibilities seem to feel little need for the sort of specific attachment and affective closeness which perhaps constitute the core of deep and genuine love. They also seem to have little perception of such a need in others. (p411)
  60. Where intimacy is normally limited they may be spontaneous and show cordiality as real as anything appropriate for such occasions. Their inner formality and remoteness is not encountered until the observer approaches areas of privacy, deep levels of personal affect that ordinarily are only reached in relations between mates, between parent and child, or in the few other very intimate and cherished friendships or sharing of personal understanding and feeling that man never achieves in wholesale measure. (p411)
  61. This exercise of execrable judgment is not particularly modified by experience, however chastening his experiences may be. (p346) (ie doesn’t learn from prior experiences)
  62. It is my opinion that no punishment is likely to make the psychopath change his ways. Punishment is not, of course, regarded as an appropriate measure in medical treatment. It is, however, often considered and administered by legal authorities. And it must be remembered that at present the law deals with these patients more frequently than physicians deal with them. (p346)
  63. Lacking vital elements in the appreciation of what the family and various bystanders are experiencing, the psychopath finds it hard to understand why they continually criticise, reproach, quarrel with, and interfere with him. (p391)
  64. Figures representing authority or respectability naturally irk him…. (p391)
  65. It is not necessary to assume great cruelty or conscious hatred in him commensurate with the degree of suffering he deals out to others. Not knowing how it hurts or even where it hurts, he often seems to believe that he has made a relatively mild but appropriate reprimand and that he has done it with humour. What he believes he needs to protest against turns out to be no small group, no particular institution or set of ideologies, but human life itself. In it he seems to find nothing deeply meaningful or persistently stimulating, but only some transient and relatively petty pleasant caprices, a terribly repetitious series of minor frustrations, and ennui.(p391)
  66. In certain aspects his essential life seems to be a peevish bickering with the inconsequential. (p391)
  67. The lack of aversion to conduct and situations which to the normal person are repulsive is striking and paradoxical in the psychopath. (p392)
  68. Such a superficiality and lack of major incentive or feeling strongly suggest the apparent emotional limitations of the psychopath. (p393)
  69. To the psychopath the basic axioms of life must seem different from what they seem to normal people (and also very different from what they seem to people with severe obsessive disorders) (p394)
  70. Observation of the psychopath makes it increasingly plain, however, that he is not reacting normally to the surroundings that are ordinarily assumed to exist. (p394)
  71. The psychopath has a basic inadequacy of feeling and realisation that prevents him from normally experiencing the major emotions and from reacting adequately to the chief goals of human life. (p394)
  72. What I regard as the psychopath’s lack of insight shows up frequently and very impressively in his apparent assumption that the legal penalties for a crime he has committed do not, or should not, apply to him. (p351)
  73. The hedonistic and self-centred acts of many psychopaths often go relatively unpunished. Studies by Robins (1966) and Gibbens, Briscoe, and Dell (1968) have shown that a surprisingly large number of psychopathic persons somehow manage to avoid incarceration in spite of the fact that their behaviour may be grossly antisocial. In many cases they are protected by family and friends who may themselves be their victims.
  74. In other cases they may be charming and intelligent enough to talk their way out of prosecution. In any event, their behaviour may be relatively unchecked and unpunished; and therefore very rewarding, persistent, and firmly established.(pp111-112)
  75. The psychopath cannot be depended upon to show the ordinary responsiveness to special consideration or kindness or trust. (p352)
  76. No matter how well he is treated, no matter how long-suffering his family, his friends, the police, hospital attendants, and others may be, he shows no consistent reaction of appreciation except superficial and transparent protestations. Such gestures are exhibited most frequently when he feels they will facilitate some personal aim. (p352)
  77. The ordinary axiom of human existence that one good turn deserves another, a principle sometimes honoured by cannibals and uncommonly callous assassins, has only superficial validity for him although he can cite it with eloquent casuistry when trying to obtain parole, discharge from the hospital, or some other end. (p352)
  78. As in attempting to delineate other aspects of the psychopath, we find ourselves again confronting paradox. Although he can be counted on not to be appreciably swayed in major issues by these basic rules, we often find him attentive in small courtesies and favours, perhaps even habitually generous or quasi-generous when the cost is not decisive.
  79. Occasionally his actions may suggest profound generosity in that large sums are involved or something presumably of real value is sacrificed. Usually, however, these appearances are deceiving. (p352)
  80. In relatively small matters psychopaths sometimes behave so as to appear very considerate, responsive, and obliging. Acquaintances who meet them on grounds where minor issues prevail may find it difficult to believe that they are not highly endowed with gratitude and eager to serve others. Such reactions and intentions, although sometimes ready or even spectacularly facile, do not ever accumulate sufficient force to play a determining part in really important issues. (p352)
  81. Outward social graces come easy to most psychopaths, and many continue, throughout careers disastrous to themselves and for others, to conduct themselves in superficial relations, in handling the trivia of existence, so as to gain admiration and gratitude. In these surface aspects of functioning, the typical psychopath (unlike the classic hypocrite) often seems to act with undesigning spontaneity and to be prompted by motives of excellent quality though of marvellously attenuated substance. (p355)
  82. The quality of happiness he knows and the degree of reality in which he experiences so much that is major in human relations are such that, despite his superficial success, he must fail to participate very richly in life itself.
  83. In nearly all the standard textbooks of psychiatry the psychopath is mentioned. Several recent textbooks have indeed made definite efforts to stress for the student the challenging and paradoxical features of our subject. Often, however, tucked away at the end of a large volume, an obscure chapter is found containing a few pages or paragraphs devoted to these strange people who take so much attention of the medical staffs in psychiatric hospitals and whose behaviour, it is here maintained, probably causes more unhappiness and more perplexity to the public than all other mentally disordered patients combined. (p16)
  84. It is my earnest conviction that a type of patient exists who could, without exaggeration, still be called the forgotten man of psychiatry. If this patient can be presented as he has appeared so clearly during years of observation, if some idea can be given of his ubiquity, and, above all, if interest can be promoted in further study of his peculiar status among other human beings, I shall be abundantly satisfied. (p17)
  85. The surface of the psychopath, however, that is, all of him that can be reached by verbal exploration and direct examination, shows up as equal to or better than normal and gives no hint at all of a disorder within. Nothing about him suggests oddness, inadequacy, or moral frailty. His mask is that of robust mental health. Yet he has a disorder that often manifests itself in conduct far more seriously abnormal than that of the schizophrenic. (p383)
  86. Little agreement was found as to what was actually the matter with them. No satisfactory means of dealing with them was presented by any psychiatric authority, and meanwhile their status in the eyes of the law usually made it impossible to treat them at all… They continued, however, to constitute a most grave and a constant problem to the hospital and to the community. The overwhelming difficulty of finding facilities for their treatment has been no less urgent than the yet unanswered question of what measures to use in treatment (Preface)
  87. Although still in the unspectacular and perforce modest position of one who can offer neither a cure nor a well-established explanation, I am encouraged by ever increasing evidence that few medical or social problems have ever so richly deserved and urgently demanded a hearing. It is still my conviction that this particular problem, in a practical sense, has had no hearing. (Preface)
  88. These people called psychopaths present a problem which must be better understood by lawyers, social workers, schoolteachers, and by the general public if any satisfactory way of dealing with them is to be worked out. Before this understanding can come, the general body of physicians to whom the laity turn for advice must themselves have a clear picture of the situation. (p16)
  89. How to inform their relatives, the courts which handle them, the physicians who try to treat them, of the nature of their disorder has been no small problem. (Preface)
  90. Whatever these people may be called, they are not normal. If we consider… the vast number of similar people in every community who show the same behaviour pattern in milder form but who are sufficiently protected and supported by relatives to remain at large, the prevalence of this disorder is seen to be appalling.(p452)

[A CASE] “I can’t understand the girl, no matter how hard I try,” said the father, shaking his head in genuine perplexity. “It’s not that she seems bad or exactly that she means to do wrong. She can lie with the straightest face, and after she’s found in the most outlandish lies she still seems perfectly easy in her own mind.” (p48)

“She never seemed sly or crafty,” the mother said, a little puzzled about how to express the impression, “not like the sort of person you think of as stealing and being irresponsible. She didn’t seem wild and headstrong.” Yet she often used remarkable ingenuity to conceal her misdeeds and to continue them. (p48)

“I wouldn’t exactly say she’s like a hypocrite,” the father added. “When she’s caught and confronted with her lies and other misbehaviour, she doesn’t seem to appreciate the inconsistency of her position. Her conscience seems still untouched. Even when she says how badly she’s acted and promises to do better, her feelings just must not be what you take them for.” (p49)

She seemed entirely untroubled, never by word or gesture giving indication that she might have something to hide or to be seriously worried about.” (p50)

Further comment on “The Mask of Sanity”:

“First published in 1941, “The Mask of Sanity: An Attempt to Clarify Some Issues About the So-Called Psychopathic Personality” by Hervey M. Cleckley, an American psychiatrist, is considered to be the most important work on psychopathology of the twentieth-century.

Cleckley based his work on clinical interviews with patients in mental institutions and continued to edit and revise his seminal work throughout the years [to the Fifth Edition, 1988].

The title “The Mask of Sanity” refers to Cleckley’s description of the psychopath as living behind a mask of normalcy, which makes the disorder very difficult to recognise and diagnosis.

They may appear engaging, intelligent, charming, and sincere but behind this façade of a normal, functioning person they are severely mentally disordered and chaotic.

Cleckley was the first to recognise the psychopath’s lack of genuine emotion that stems from a serious and uncontrolled neuropsychiatric defect.

Cleckley’s work is startlingly insightful and his outline of the basic elements of psychopathology remains relevant nearly eighty years later.

While highly controversial when it was first published, Cleckley’s exhaustive research and the fascinating case studies he explores in detail make “The Mask of Sanity” an indispensable guide for both professionals and lay people alike who wish to better understand psychopathology.”  (Amazon, Paperback).

EXTRACT FROM Abigail A. Marsh & Elise M. Cardinale. (2014). When psychopathy impairs moral judgments: neural responses during judgments about causing  fear. Soc. Cogn. Affect. Neurosci. 9, 3–11:

“Psychopathy is a disorder characterised by antisocial behaviour, reduced empathy and remorse, narcissism and impulsivity (Hare, 1991).

Elevated psychopathic traits have been linked to atypical neural functioning in brain structures that include the amygdala, orbitofrontal cortex and striatum (Birbaumer et al., 2005; Rilling et al., 2007; Dolan and Fullam, 2009; Jones, et al., 2009; Harenski, et al., 2010; Finger et al., 2011; Marsh et al., 2011).

These disruptions are thought to underlie emotion processing deficits in psychopathy, particularly disruptions in recognising and responding to fear-relevant stimuli such as fearful facial expressions…

Psychopathy has long been associated with an increased willingness to engage in behaviours that cause fear in victims, like threats, bullying and violence (Blair, 2005).

The present study demonstrated that psychopathy is associated with aberrant amygdala responding during judgments about causing others fear…

Participants with high psychopathy scores showed reduced amygdala activity relative to participants with lower psychopathy scores. These results are consistent with the modern construct of psychopathy, initially developed by Cleckley, who, in describing the prototypical psychopath, stated:

‘In the disaster he brings about he cannot estimate the affective reactions of others which are the substance of the disaster. . . the real psychopath seems to lack understanding of the nature and quality of the hurt and sorrow he brings to others.’ (Cleckley, 1988, p. 322).


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