Encyclopedia of Personality and Individual Differences

Living Edition
| Editors: Virgil Zeigler-Hill, Todd K. Shackelford

Defense Mechanisms

Living reference work entry
DOI: https://doi.org/10.1007/978-3-319-28099-8_1372-1
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Synonyms

Definition

Defense mechanisms (sometimes called adaptive mental mechanisms) reduce conflict and cognitive dissonance during sudden changes in internal and external reality. If such changes in reality are not “distorted” and “denied,” they can result in disabling anxiety and/or depression. Choice of defense is involuntary, but such choice can lead to enormous differences in mental health.

Defense mechanisms can restore psychological homeostasis by ignoring or deflecting sudden increases in impulse, affect, and emotion. Defense mechanisms can provide a mental time-out to adjust to sudden changes in reality or self-image. Defenses can mitigate sudden irresolvable conflict with important people, living or dead. Finally, defenses can mitigate conflict due to social learning or conscience.

Introduction

The boundary between pathology and adaptation is ambiguous....

Keywords

Defense Mechanism Personality Disorder Cognitive Dissonance External Reality Global Assessment Scale 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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References

  1. Brown, H. N., & Vaillant, G. E. (1981). Hypochondriasis. Archives of Internal Medicine, 141, 723–726.CrossRefPubMedGoogle Scholar
  2. Freud, S. (1894). The neuro-psychoses of defence. In The standard edition of the complete psychological works of Sigmund Freud (Vol. 3, pp. 45–61). London: Hogarth Press, 1964.Google Scholar
  3. Freud, S. (1905). Jokes and their relation to the unconscious. S. E., 8. London: Hogarth.Google Scholar
  4. Freud, A. (1937). The ego and the mechanisms of defence. London: Hogarth.Google Scholar
  5. Haan, N. A. (1977). Coping and defending. San Francisco: Jossey Bass.Google Scholar
  6. James, W. (1890). The Principles of Psychology. New York: Henry Holt and Co.,CrossRefGoogle Scholar
  7. Perry, J. A., Beck, S. M., Constantinides, P., & Foley, J. E. (2008). Chapter 6: Studying change in defensive functioning in psychotherapy, using defense mechanism rating scales four hypotheses, four cases. In R. A. Levy & J. S. Ablon (Eds.), Handbook of evidence-based psychodynamic psychotherapy (pp. 121–153). London: Springer.Google Scholar
  8. Sartorius, N., Jablensky, A., & Regier, D. A. (Eds.). (1990). Sources and traditions of classification in psychiatry. Bern: Huber.Google Scholar
  9. Vaillant, G. E. (1971). Theoretical hierarchy of adaptive ego mechanisms: A 30-year follow-up of 30 men selected for psychological health. (Helene and Felix Deutsch Prize, 1969). Archives of General Psychiatry, 24, 107–118.CrossRefPubMedGoogle Scholar
  10. Vaillant, G. E. (1977). Adaptation to life. Boston: Little Brown.Google Scholar
  11. Vaillant, G. E. (1992). Ego mechanisms of defense: A guide for clinicians and researchers. Washington, DC: American Psychiatric Press.Google Scholar
  12. Vaillant, G. E. (1993). The wisdom of ego. Cambridge, MA: Harvard University Press.Google Scholar
  13. Vaillant, G. E. (1995). The Natural History of Alcoholism Revisited. Cambridge, MA: Harvard University Press.Google Scholar
  14. Vaillant, G. E. (2012). Triumphs of experience: The men of the Harvard grant study. Cambridge, MA: The Belknap Press.CrossRefGoogle Scholar
  15. Wundt, W. (1896). Lectures on Human and Animal Psychology. New York: Macmillan.Google Scholar

Authors and Affiliations

  1. 1.Harvard Medical SchoolBostonUSA

Section editors and affiliations

  • Simon Boag
    • 1
  1. 1.MacQuarie UniversityNorth RydeAustralia