Narcissistic personality disorder

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Narcissistic personality disorder
Other namesMegalomania[1]
A man looking into a pool of water
Narcissus by Caravaggio, gazing at his own reflection
SymptomsExaggerated feelings of self-importance, excessive craving for admiration, low levels of empathy[2][3]
Usual onsetEarly adulthood[3]
DurationLong term[3]
Differential diagnosisBipolar disorder, substance abuse, borderline personality disorder, histrionic personality disorder[2]
TreatmentPsychotherapy, psychiatric medication[2]

Narcissistic personality disorder (NPD) or megalomania is a personality disorder characterized by a long-term pattern of exaggerated feelings of self-importance, an excessive craving for admiration, and struggles with empathy.[2][3] People with NPD often spend much time daydreaming about achieving power and success, and perceive injustice for failing to do so. This is a pattern of obsessive thoughts and unstable sense of identity, often to cope with a sub-par real life. People with the diagnosis in recent years have spoken out about its stigma in media, and possible links to abusive situations and childhood trauma.[3] Such narcissistic behavior typically begins by early adulthood, and occurs across a broad range of situations.[3]

The causes of narcissistic personality disorder are unknown, but theorized to be linked to certain types of traumas.[4] The condition of NPD is included in the cluster B personality disorders in the Diagnostic and Statistical Manual of Mental Disorders (DSM).[3] A diagnosis of NPD is made by a healthcare professional interviewing the person in question.[2] The condition of NPD should be differentiated from mania and substance use disorder.[3]

Treatments for narcissistic personality disorder have not been well studied.[2] Therapy is difficult, because people with NPD usually do not consider their own issues as symptoms, despite mental distress. Additionally, people with narcissistic personality disorders have decreased life satisfaction and lower qualities of life, even when their narcissism is undiagnosed.[5][6][7][8][9][10] People with NPD may have other comorbid psychiatric conditions as well, making it more difficult to identify the symptoms.[2] About one percent of people are believed to be affected with NPD at some point in their lives.[4] It occurs more often in men than women, and typically affects younger as opposed to older people.[2][3] The narcissistic personality was first described by the psychoanalyst Robert Waelder, in 1925. The term narcissistic personality disorder (NPD) was coined by Heinz Kohut in 1968.[11][12]

Signs and symptoms[edit]

People with narcissistic personality disorder (NPD) are characterized by the personality traits of persistent grandiosity, an excessive need for admiration, and a personal disdain and lack of empathy for other people.[13][14] As such, the person with NPD usually displays arrogance and a distorted sense of personal superiority, and seeks to establish abusive power and control over others.[15] Self-confidence (a strong sense of self) is a personality trait different from the traits of NPD; thus, people with NPD typically value themselves over others, to the extent of openly disregarding the wishes and feelings of anyone else, and expect to be treated as superior, regardless of their actual status or achievements.[13][16] Socially, the person with NPD usually exhibits a fragile ego (self-concept), intolerance of criticism, and a tendency to belittle other people, in order to validate their own superiority.[16]

The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5, 2013) indicates that a person with NPD possesses at least five of the following nine criteria, typically without possessing the commensurate personal qualities or accomplishments for which they demand respect and status:

  • A grandiose sense of self-importance (e.g. exaggerating achievements and talents, expecting to be recognized as superior without commensurate achievements)
  • Preoccupation with fantasies of unlimited success, power, brilliance, beauty, or ideal love
  • Believing that they are "special" and unique and can only be understood by, or should associate with, other special or high-status people (or institutions)
  • Requiring excessive admiration
  • A sense of entitlement (unreasonable expectations of especially favorable treatment or automatic compliance with their expectations)
  • Being interpersonally exploitative (taking advantage of others to achieve their own ends)
  • Lacking empathy: unwilling to recognize or identify with the feelings and needs of others
  • Often being envious of others or believing that others are envious of them
  • Showing arrogant, haughty behaviors or attitudes[13][16]

Narcissistic personality disorder usually develops either in youth or in early adulthood,[13] and it is common for children and youths to display personality traits that resemble NPD, but such occurrences are usually transient, and register below the clinical criteria for a formal diagnosis of NPD.[16] True symptoms of NPD are pervasive, apparent in varied social situations, and are rigidly consistent over time. Severe symptoms of NPD can significantly impair the person's mental capabilities to develop meaningful human relationships, such as friendship, kinship and marriage. Generally, the symptoms of NPD also impair the person's psychological abilities to function socially, either at work or at school, or within important societal settings. The DSM-5 indicates that in order to qualify as symptomatic of NPD the person's manifested personality traits must substantially differ from social norms.[13]

Associated features[edit]

People with NPD exaggerate their skills, accomplishments, and their degree of intimacy with people they consider high-status. Such a sense of personal superiority may cause them to monopolize conversations,[16] or to become impatient and disdainful when other persons talk about themselves.[13] This attitude connects to an overall worse functioning in areas of life like work and intimate romantic relationships.[17][18][19][20] When wounded in the ego, either by a real or a perceived criticism, the narcissist's displays of anger can be disproportionate to the nature of the criticism suffered;[16] but typically, the actions and responses of the NPD person are deliberate and calculated.[13] Despite occasional flare-ups of personal insecurity, the inflated self-concept of the NPD person is primarily stable.[13]

To the extent that people are pathologically narcissistic, the person with NPD can be a self-absorbed control freak who passes blame by psychological projection and is intolerant of contradictory views and opinions; is apathetic towards the emotional, mental, and psychological needs of other people; and is indifferent to the negative effects of their behaviors, whilst insisting that people should see them as an ideal person.[13] To protect their fragile self-concept, narcissists use psychosocial strategies, such as the tendency to devalue and derogate and to insult and blame other people, usually with anger and hostility towards people's responses to the narcissist's anti-social conduct.[21] Because their fragile egos are hypersensitive to perceived criticism or defeat, people with NPD are prone to feelings of shame, humiliation, and worthlessness over minor incidents of daily life and imagined, personal slights,[16] and usually mask such feelings from people, either by way of feigned humility, or by responding with outbursts of rage and defiance, or by seeking revenge.[13][14] The merging of the inflated self-concept and the actual self is evident in the grandiosity component of narcissistic personality disorder; also inherent to that psychological process are the defense mechanisms of idealization and devaluation and of denial.[22]

The DSM-5 indicates that: "Many highly successful individuals display personality traits that might be considered narcissistic. Only when these traits are inflexible, maladaptive, and persisting, and cause significant functional impairment or subjective distress, do they constitute narcissistic personality disorder."[13] Given the high-function sociability associated with narcissism, some people with NPD might not view such a diagnosis as a functional impairment to their lives.[23] Although overconfidence tends to make people with NPD very ambitious, such a mindset does not necessarily lead to professional high achievement and success, because they refuse to take risks, in order to avoid failure or the appearance of failure.[13][14] Moreover, the psychological inability to tolerate disagreement, contradiction, and criticism, make it difficult for persons with NPD to work cooperatively or to maintain long-term, professional relationships with superiors and colleagues.[24]


The occurrence of narcissistic personality disorder presents a high rate of comorbidity with other mental disorders.[25] People with NPD are prone to bouts of psychological depression, often to the degree that meets the clinical criteria for a co-occurring depressive disorder.[26] Moreover, the occurrence of NPD is further associated with the occurrence of bipolar disorder and substance use disorders,[14] especially cocaine use disorder.[13] In that vein, NPD also might be comorbid with the occurrence of other mental disorders, such as histrionic personality disorder, borderline personality disorder, antisocial personality disorder, or paranoid personality disorder.[13]


The causes of narcissistic personality disorder are unknown.[16][26] Researchers apply a biopsychosocial model of causation,[25] whereby the occurrence and the expression of NPD – a pathological amplification of the traits of the narcissistic personality – are consequent to a combination of nature and nurture, of environmental and social, genetic and neurobiological factors.[26][25]


Narcissistic personality disorder is an inheritable psychological condition; research evidence indicates that a person is more likely to develop NPD if said personality disorder occurs in the medical history of his or her family.[25][27] The results reported in A Twin Study of Personality Disorders (2000) indicate that the rate of occurrence of personality disorders in twins determined that there is a moderate-to-high likelihood of the heritability of NPD;[27] and the research of The Genetic Epidemiology of Personality Disorders (2010) indicates that specific genes and genetic interactions (epistasis) contribute to the formation of NPD, and to the development of a narcissistic personality, yet how genetics influences the developmental and the physiologic processes underlying NPD remains undetermined.[28]

Malfunctioning inner brain - hippocampus, amygdala[edit]

Research shows a malfunctioning inner brain: the hippocampus up to 18% smaller, a smaller amygdala, malfunctions in the striatum-nucleus accumbens and the cingulum neural pathways connecting them and taking care of the feedback loops on what to do with all the incoming information from the multiple senses; so what comes out is anti-social.[29][30]


Environmental and social factors also exert significant influence upon the onset of NPD in a person.[25] In some people, pathological narcissism may develop from an impaired emotional attachment to the primary caregivers, usually the parents.[31] That lack of psychological and emotional attachment to a parental figure can result in the child's perception of themselves as unimportant and unconnected to other people, usually family, community and society. Typically, the child comes to believe that they have a personality defect that makes them an unvalued and unwanted person;[32] in that vein, either overindulgent and permissive parenting or insensitive and over-controlling parenting are contributing factors towards the development of NPD in a child.[16][26]

In Gabbard's Treatments of Psychiatric Disorders (2014), the following factors are identified as promoting the development of narcissistic personality disorder:[33]

  • An oversensitive temperament (individual differences of behavior) at birth
  • Excessive admiration that is never balanced with realistic criticism
  • Excessive praise for good behaviors, or excessive criticism for bad behaviors in childhood
  • Overindulgence and overvaluation by family or peers
  • Being praised by adults for perceived exceptional physical appearance or abilities
  • Trauma caused by psychological abuse, physical abuse or sexual abuse in childhood
  • Unpredictable or unreliable parental caregiving
  • Learning the behaviors of psychological manipulation from parents or peers[34]

Moreover, the research reported in "Modernity and Narcissistic Personality Disorders" (2014) indicates that cultural elements also influence the prevalence of NPD, because narcissistic personality traits more commonly occur in modern societies than in traditionalist conservative societies.[25]


Studies of the occurrence of narcissistic personality disorder, such as Gray Matter Abnormalities in Patients with Narcissistic Personality Disorder (2013) and Narcissists' Lack of Empathy Tied to Less Gray Matter (2016) identified structural abnormalities in the brains of people afflicted with NPD, specifically, a lesser volume of gray matter in the left, anterior insular cortex.[35][36] The results of the study Brain Structure in Narcissistic Personality Disorder: A VBM and DTI Pilot Study (2015) associated the condition of NPD with a reduced volume of gray matter in the prefrontal cortex.[37] The regions of the brain identified and studied – the insular cortex and the prefrontal cortex – are associated with the human emotions of empathy and compassion, and with the mental functions of cognition and emotional regulation. The neurologic findings of the studies suggest that NPD may be related to a compromised (damaged) capacity for emotional empathy and emotional regulation.[38]



The American Psychiatric Association's (APA) formulation, description, and definition of narcissistic personality disorder, as published in the Diagnostic and Statistical Manual of Mental Disorders, Fourth Ed., Text Revision (DSM-IV-TR, 2000), was criticised by clinicians as inadequately describing the range and complexity of the personality disorder that is NPD. That it is excessively focused upon "the narcissistic individual's external, symptomatic, or social interpersonal patterns – at the expense of ... internal complexity and individual suffering", which reduced the clinical utility of the NPD definition in the DSM-IV-TR.[23]

In revising the diagnostic criteria for personality disorders, the work group for the list of "Personality and Personality Disorders" proposed the elimination of narcissistic personality disorder (NPD) as a distinct entry in the DSM-5, and thus replaced a categorical approach to NPD with a dimensional approach, which is based upon the severity of the dysfunctional-personality-trait domains.[39][40] Clinicians critical of the DSM-5 revision characterized the new diagnostic system as an "unwieldy conglomeration of disparate models that cannot happily coexist", which is of limited usefulness in clinical practice.[41] Despite the reintroduction of the NPD entry, the APA's re-formulation, re-description, and re-definition of NPD, towards a dimensional view based upon personality traits, remains in the list of personality disorders of the DSM-5.


The International Statistical Classification of Diseases and Related Health Problems, 10th Edition (ICD-10), of the World Health Organization (WHO), lists narcissistic personality disorder (NPD) under the category of "Other specific personality disorders". The ICD-10 requires that any personality-disorder diagnosis also meet and satisfy the General diagnostic criteria 2 used for determining that a person has a diagnosable personality disorder.[42]

Subtypes of NPD[edit]

Although the DSM-5 indicates narcissistic personality disorder as a homogeneous syndrome, there is evidence of overt and covert subtypes in the expression of NPD.[2] The study Narcissistic Personality Disorder: Diagnostic and Clinical Challenges (2015) indicates the existence of two subtypes of narcissism: (i) Grandiose narcissism, characterized by the personality traits of grandiosity, arrogance, and boldness; and (ii) Vulnerable narcissism, characterized by the personality traits of defensiveness and hypersensitivity.[2] The research indicates that people with grandiose narcissism express behavior "through interpersonally exploitative acts, lack of empathy, intense envy, aggression, and exhibitionism."[43]

In an inventory of the types of NPD, the psychiatrist Glen Gabbard described the "oblivious" subtype of narcissist as being a grandiose, arrogant, and thick-skinned person; and described the "narcissistic vulnerability" of the subtype of person who consciously exhibits the personality traits of helplessness and emotional emptiness, and of low self-esteem and shame, which usually are expressed as socially avoidant behavior in situations where the narcissist's self-presentation is impossible; therefore, they withdraw from situations wherein the needed or expected social approval is not given.[43] Gabbard also described the "hypervigilant" subtype of narcissist whose feelings are easily hurt, has an oversensitive temperament, and ashamed; and described the "high-functioning" subtype of narcissist as a person less functionally impaired in the areas of life where narcissists with a severe expression of NPD usually have difficulties in functioning as a normally-socialized person.[2]

In the study Disorders of Personality: DSM-IV-TM and Beyond (1996), Theodore Millon suggested five subtypes of narcissist;[44] however, there are few, pure subtypes of narcissist. Moreover, Millon's five subtypes of narcissist are not recognized in either the Diagnostic and Statistical Manual of Mental Disorders or in the International Statistical Classification of Diseases and Related Health Problems.

Subtype Description
Unprincipled narcissist Deficient conscience; unscrupulous, amoral, disloyal, fraudulent, deceptive, arrogant, exploitive; a con artist and charlatan; dominating, contemptuous, vindictive.
Amorous narcissist Sexually seductive, enticing, beguiling, tantalizing; glib and clever; disinclined to real intimacy; indulges hedonistic desires; bewitches and inveigles others; pathological lying and swindling. Tends to have many affairs, often with exotic partners.
Compensatory narcissist Seeks to counteract or cancel out deep feelings of inferiority and lack of self-esteem; offsets deficits by creating illusions of being superior, exceptional, admirable, noteworthy; self-worth results from self-enhancement.
Elitist narcissist Feels privileged and empowered by virtue of special childhood status and pseudo-achievements; entitled façade bears little relation to reality; seeks favored and good life; is upwardly mobile; cultivates special status and advantages by association.
Normal narcissist Least severe and most interpersonally concerned and empathetic, still entitled and deficient in reciprocity; bold in environments, self-confident, competitive, seeks high targets, feels unique; talent in leadership positions; expecting of recognition from others.


Narcissistic personality disorder is rarely the primary reason for which people seek mental health treatment. When people with NPD enter treatment (psychologic or psychiatric), they usually are prompted by difficulties in their lives, or are seeking relief from some other disorder of their mental health, such as a major depressive disorder, a substance use disorder (drug addiction), or bipolar disorder.[14] The reason for such an indirect path to psychotherapeutic treatment is partly because narcissists generally possess poor insight, and are unaware that their actions produced their mentally unhealthy circumstance, and so fail to recognize that their perceptions and behaviors are socially inappropriate and problematic, because of their very positive self-image (inflated self-concept).[2]

In general, psychotherapy is the basis for treating narcissistic personality disorder.[45] In the 1960s, Heinz Kohut and Otto Kernberg challenged the conventional wisdom of the time with clinical strategies that applied psychoanalytic therapy to NPD clients, which, they claimed, effectively treated that personality disorder. Contemporary psychotherapy treatments include transference-focused therapy; metacognitive therapy; and schema therapy, to treat the client's particular subtype of NPD. Improvements to the mental health of patients with NPD are possible with psychopharmaceutical treatment of the symptoms of the comorbid disorders; despite such drug therapy, the psychologist Elsa Ronningstam said that "alliance-building and engaging the patient's sense of agency and reflective ability are essential for [achieving] change in pathological narcissism."[14] Psychiatric medications usually are not indicated for treating NPD, but can be used to treat the co-occurring symptoms of psychological depression, anxiety, and impulsiveness, when present in the NPD client.[45] In the field of relationship counseling mental health therapy is most beneficial when both partners participate in the treatments.[46]


The effectiveness of psychotherapeutic and pharmacological interventions in the treatment of narcissistic personality disorder has yet to be systematically and empirically investigated. Clinical practice guidelines for the disorder have not yet been created, and current treatment recommendations are largely based on theoretical psychodynamic models of NPD and the experiences of clinicians with afflicted individuals in clinical settings.[2]

The presence of NPD in patients undergoing psychotherapy for the treatment of other mental disorders is associated with slower treatment progress and higher dropout rates.[2]


The lifetime rates of narcissistic personality disorder are estimated at 1% in the general population; and between 2% and 16% in the clinical population.[47] A 2010 review found rates of NPD of up to 6% in community samples,[48] and that the yearly number of new cases of NPD in men is slightly greater than in women.[49] A 2015 review found that the rates of NPD have been relatively stable for men and women throughout the thirty-year period in which data were collected.[49]


The historical use of the term narcissism, to describe a person's excessive vanity and self-centeredness, predates the modern medical classification of NPD (narcissistic personality disorder). The mental condition of narcissism is named after the mythological character Narcissus, a beautiful boy, born of a nymph, who became infatuated with his own reflection in a pool of water. At first, Narcissus did not understand that the image he saw in the pool of water was a reflection of himself; when he did understand that fact, he pined for the unattainable image and died of grief, for having fallen in love with someone who did not exist outside of himself.[50]

Further conceptual developments and refinements of the mental condition of Narcissism produced the term narcissistic personality structure, which was introduced by Otto Friedmann Kernberg, in 1967;[51] and the term narcissistic personality disorder, which was proposed by Heinz Kohut, in 1968.[52]

Early Freudianism[edit]

Regarding the adult neurotic's sense of omnipotence, Sigmund Freud said that "this belief is a frank acknowledgement of a relic of the old megalomania of infancy";[53] and concluded that: "we can detect an element of megalomania in most other forms of paranoic disorder. We are justified in assuming that this megalomania is essentially of an infantile nature, and that, as development proceeds, it is sacrificed to social considerations."[54]

In The Psychology of Gambling (1957), Edmund Bergler considered megalomania to be a normal occurrence in the psychology of a child,[55] a condition later reactivated in adult life, if the individual takes up the vice of gambling.[56] In The Psychoanalytic Theory of Neurosis (1946), Otto Fenichel said that people who, in their later lives, respond with denial to their own narcissistic rage and narcissistic injury, usually undergo a similar regression to the megalomania of childhood.[57]

Object relations[edit]

In the second half of the 20th century, in contrast to Freud's perspective that megalomania is an obstacle to psychoanalysis, in the US and UK, Kleinian psychologists used the object relations theory to re-evaluate megalomania as a defence mechanism, a circumstance that offered the psychotherapist access to the patient for treatment.[58] Such a Kleinian therapeutic approach built upon Heinz Kohut's view of narcissistic megalomania as an aspect of normal mental development, by contrast with Otto Kernberg's consideration of such grandiosity as a pathological distortion of normal psychological development.[59]


Megalomania is a mental state in which the affected individual is subject to an obsession with power and the belittling of others, as well as feelings of grandiosity. Its characteristics are similar to that of grandiose narcissism, with the exception of a few variations. Megalomania was not mentioned in the DSM-5 as an independent disorder, instead being forged with Narcissistic Personality Disorder.


Those with megalomania often show symptoms such as: condescension, overestimation of one's abilities, feelings of uniqueness, inflated self-esteem, and have a drive to maintain control over others. In addition to this, megalomaniacs have dreams of power, success and wealth.[60] Overall, megalomania involves intense feelings of grandiosity. Those with this condition are believed to have internal feelings of inferiority, which they attempt to suppress by seeking admiration from others.[61] It shares many similarities to narcissism, though there are a few differences. Perhaps most noteworthy of all, megalomaniacs are generally more concerned with superiority, while narcissists are more associated with feelings of excessive self-worth. Megalomania does not share narcissistic traits such as a sense of entitlement, attention-seeking behavior, desire for admiration or intolerance towards criticism. While narcissists are preoccupied with attempting to belittle others, megalomaniacs believe they have already dominated others, and need to maintain the domination. Also, megalomaniacs are highly conceited, while narcissists, particularly the vulnerable type, can often have low levels of self-esteem and self-confidence.


While the causes of megalomania are relatively unknown and variable, those who develop the condition are believed to have come from a place of insecurity.[61]


The term megalomania first came into usage in the late 1800s and began to be used popularly by the public in the early 1900s.[62] A former mental disorder, Megalomania has since been removed from the DSM, and forged in with narcissistic personality disorder.[63]

Society and culture[edit]

In popular culture, narcissistic personality disorder (NPD) is also known as megalomania.[47][64] Some writers discuss 'narcissistic abuse' as a unique form of abuse, although the concept is not formally recognized in health care.[65] Other scholars suggest there is little evidence to show psychological, financial, sexual or physical abuse manifests itself differently or more often in people with narcissistic traits or narcissistic personality disorder.[66]


The Norwegian study, Validity Aspects of the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Narcissistic Personality Disorder Construct (2011) concluded that narcissism should be conceived as personality dimensions pertinent to the full range of personality disorders, rather than as a distinct diagnostic category.[67] In the study Debates on the Narcissism Conundrum: Trait, Domain, Dimension, Type, or Disorder? (2012) examining the past literature about NPD, the researchers Renato Alarcón and Silvana Sarabia concluded that narcissistic personality disorder "shows nosological inconsistency, and that its consideration as a trait domain needed further research would be strongly beneficial to the field."[68]

See also[edit]


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