Monday, July 13, 2009

Monothematic Delusions.

Read this on Wiki and thought it was quite interesting.

  • Capgras delusion: the belief that (usually) a close relative or spouse has been replaced by an identical-looking impostor.
  • Fregoli delusion: the belief that various people who the believer meets are actually the same person in disguise.
  • Intermetamorphosis: the belief that people in one's environment swap identities with each other whilst maintaining the same appearance.
  • Syndrome of subjective doubles: a person believes there is a doppelganger or double of him or herself carrying out independent actions.
  • Cotard delusion: the belief that oneself is dead or does not exist; sometimes coupled with the belief that one is putrifying or missing internal organs.
  • Mirrored self-misidentification: the belief that one's reflection in a mirror is some other person.
  • Reduplicative paramnesia: the belief that a familiar person, place, object or body part has been duplicated. For example, a person may believe that they are in fact not in the hospital to which they were admitted, but in an identical-looking hospital in a different part of the country.
  • Somatoparaphrenia: the delusion where one denies ownership of a limb or an entire side of one's body (often connected with stroke).


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