Antisocial personality disorder

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Causes

By Mayo Clinic staff

Personality is the combination of thoughts, emotions and behaviors that makes everyone unique. It's the way people view, understand and relate to the outside world, as well as how they see themselves. Personality forms during childhood, shaped through an interaction of two factors:

  • Inherited tendencies, or genes. These are aspects of a person's personality passed on by parents, such as shyness or having a happy outlook. This is sometimes called temperament. It's the "nature" part of the nature vs. nurture debate.
  • Environment, or life situations. This is the surroundings a person grows up in, events that occurred, and relationships with family members and others. It includes such things as the type of parenting a person experienced, whether loving or abusive. This is the "nurture" part of the nature vs. nurture debate.

Personality disorders are thought to be caused by a combination of these genetic and environmental influences. Some people may have a genetic vulnerability to developing antisocial personality disorder — and life situations may trigger its actual development.

There may be a link between an early lack of empathy — understanding the perspectives and problems of others, including other children — and later onset of antisocial personality disorder. These personality problems may be inherited and identifying them early may help improve long-term outcomes.

References
  1. Antisocial Personality Disorder. In: Diagnostic and Statistical Manual of Mental Disorders DSM-IV-TR. 4th ed. Arlington, Va.: American Psychiatric Association; 2000. http://www.psychiatryonline.com. Accessed July 13, 2010.
  2. Antisocial Personality Disorder. In: Hales RE, et al., eds. The American Psychiatric Publishing Textbook of Psychiatry. 5th ed. Arlington, Va.: American Psychiatric Association; 2008. http://www.psychiatryonline.com. Accessed July 13, 2010.
  3. Blais MA, et al. Personality and personality disorders. In: Stern TA, et al. Massachusetts General Hospital Comprehensive Clinical Psychiatry. Philadelphia, Pa.: Mosby; 2008. http://www.mdconsult.com/das/book/body/208922830-3/1022719999/1657/387.html#4-u1.0-B978-0-323-04743-2..50041-X--cesec11_990. Accessed July 13, 2010.
  4. Silk KR. Personality disorders. http://www.uptodate.com/home/index.html. Accessed July 13, 2010.
  5. Cohen P. Child development and personality disorder. Psychiatric Clinics of North America. 2008;31:477.
  6. Staying well when you have a mental health condition. Mental Health America. http://www.nmha.org/go/mental-health-month/staying-well-when-you-have-a-mental-illness. Accessed July 13, 2010.
  7. Koegl CJ, et al. Clinician perceptions of childhood risk factors for future antisocial behavior. Journal of Clinical Child & Adolescent Psychology. 2009;38:564.
  8. Hall-Flavin DK (expert opinion). Mayo Clinic, Rochester, Minn. July 26, 2010.
  9. Bostwick MJ (expert opinion). Mayo Clinic, Rochester, Minn. Aug. 21, 2010.
  10. Kendall T, et al. Borderline and antisocial personality disorders: Summary of NICE guidance. British Medical Journal. 2009;338:293.
DS00829 Oct. 8, 2010

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