Cluster B personality disorders

June 20, 2022 — August 26, 2022

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Figure 1

Cluster B personality disorders include Antisocial personality disorder, Narcissism, Borderline personality disorder, and Histrionic personality disorder. I am not a fan of medicalising things unnecessarily, so I am not going to go around diagnosing people with full-blown cases of these disorders. At the same time, recognising the behavioural clusters can be useful in understanding and managing relationships, because they are not uncommon. Let’s take some notes.

1 Prevalence

Bill Eddy, Are Narcissists and Sociopaths Increasing?:

Between 2001 and 2005, the National Institutes of Health (NIH) funded the largest study ever done regarding the prevalence of personality disorders in the United States. Structured interviews were done with approximately 35,000 people who were randomly selected to be representative of the U.S. adult population in a variety of ways including age, income, gender and region. This study found that 6.2% of the general population would meet the criteria for NPD (Stinson et al. 2008) and 3.7% would meet the criteria for ASPD (5.5% male and 1.9% female) (Grant et al. 2004).

See also Sanz-García et al. (2021).

2 Incoming

3 References

Cailhol, Pelletier, Rochette, et al. 2017. “Prevalence, Mortality, and Health Care Use Among Patients with Cluster B Personality Disorders Clinically Diagnosed in Quebec: A Provincial Cohort Study, 2001-2012.” Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie.
Chapman, Jamil, and Fleisher. 2022. “Borderline Personality Disorder.” In StatPearls.
Cichocka, Marchlewska, and Biddlestone. 2022. “Why Do Narcissists Find Conspiracy Theories so Appealing?” Current Opinion in Psychology.
Cohen, Chen, Gordon, et al. 2008. “Socioeconomic Background and the Developmental Course of Schizotypal and Borderline Personality Disorder Symptoms.” Development and Psychopathology.
d’Huart, Steppan, Seker, et al. 2022. “Prevalence and 10-Year Stability of Personality Disorders From Adolescence to Young Adulthood in a High-Risk Sample.” Frontiers in Psychiatry.
Dubois, Eberhardt, Paul, et al. 2020. “Personality Beyond Taxonomy.” Nature Human Behaviour.
Grant, Hasin, Stinson, et al. 2004. “Prevalence, Correlates, and Disability of Personality Disorders in the United States: Results From the National Epidemiologic Survey on Alcohol and Related Conditions.” The Journal of Clinical Psychiatry.
Sanz-García, Gesteira, Sanz, et al. 2021. “Prevalence of Psychopathy in the General Adult Population: A Systematic Review and Meta-Analysis.” Frontiers in Psychology.
Schultz, Balderston, Baskin-Sommers, et al. 2016. “Psychopaths Show Enhanced Amygdala Activation during Fear Conditioning.” Frontiers in Psychology.
Skoglund, Tiger, Rück, et al. 2021. “Familial Risk and Heritability of Diagnosed Borderline Personality Disorder: A Register Study of the Swedish Population.” Molecular Psychiatry.
Stinson, Dawson, Goldstein, et al. 2008. “Prevalence, Correlates, Disability, and Comorbidity of DSM-IV Narcissistic Personality Disorder: Results From the Wave 2 National Epidemiologic Survey on Alcohol and Related Conditions.” The Journal of Clinical Psychiatry.
Walsh, Shea, Yen, et al. 2013. “Socioeconomic-Status and Mental Health in a Personality Disorder Sample: The Importance of Neighbourhood Factors.” Journal of Personality Disorders.
Werner, Few, and Bucholz. 2015. “Epidemiology, Comorbidity, and Behavioral Genetics of Antisocial Personality Disorder and Psychopathy.” Psychiatric Annals.
Williams, Quirk, Koivumaa-Honkanen, et al. 2020. “Personality Disorder and Physical Health Comorbidities: A Link With Bone Health?” Frontiers in Psychiatry.