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Sadistic personality disorder

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Psychiatry

Sadistic personality disorder is a personality disorder involving sadism which appeared in an appendix of the Diagnostic and Statistical Manual of Mental Disorders (DSM-III-R). The later versions of the DSM (DSM-IV, DSM-IV-TR and DSM-5) do not include it.

Contents

Definition

Sadism involves gaining pleasure from seeing others undergo discomfort or pain. The opponent-process theory explains the way in which individuals not only display, but also take enjoyment in committing sadistic acts. Individuals possessing sadistic personalities tend to display recurrent aggression and cruel behavior. Sadism can also include the use of emotional cruelty, purposefully manipulating others through the use of fear, and a preoccupation with violence.

Theodore Millon claimed there were four subtypes of sadism, which he termed Enforcing sadism, Explosive sadism, Spineless sadism, and Tyrannical sadism.

Comorbidity with other personality disorders

Sadistic personality disorder has been found to occur frequently in unison with other personality disorders. Studies have also found that sadistic personality disorder is the personality disorder with the highest level of comorbidity to other types of psychopathological disorders. In contrast, sadism has also been found in patients who do not display any or other forms of psychopathic disorders. One personality disorder that is often found to occur alongside sadistic personality disorder is conduct disorder, not an adult disorder but one of childhood and adolescence. Studies have found other types of illnesses, such as alcoholism, to have a high rate of comorbidity with sadistic personality disorder.

Researchers have had some level of difficulty distinguishing sadistic personality disorder from other forms of personality disorders due to its high level of comorbidity with other disorders.

Removal from the DSM

Numerous theorists and clinicians introduced sadistic personality disorder to the DSM in 1987 and it was placed in the DSM-III-R as a way to facilitate further systematic clinical study and research. It was proposed to be included because of adults who possessed sadistic personality traits but were not being labeled, even though their victims were being labeled with a self-defeating personality disorder. Theorists like Theodore Millon wanted to generate further study on SPD, and so proposed it to the DSM-IV Personality Disorder Work Group, who rejected it.

Sub-clinical sadism in personality psychology

There is renewed interest in studying sadism as a personality trait. Sadism joins with subclinical psychopathy, narcissism, and Machiavellianism to form the so-called "dark tetrad" of personality.

References

Sadistic personality disorder Wikipedia


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