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delusion

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delusion

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Also known as delusions, delusional idea

A delusion is a fixed belief that is not amenable to change in light of conflicting evidence. As a pathology (delusional disorder), it is distinct from a belief based on false or incomplete information, confabulation, dogma, illusion, hallucination, or some other misleading effects of perception, as individuals with those beliefs are able to change or readjust their beliefs upon reviewing the evidence. However:

AI overview

A delusion is a fixed belief that someone holds firmly despite evidence that contradicts it, and unlike ordinary false beliefs, a person with a delusion cannot change their mind even when presented with conflicting facts. Delusions matter because they represent a distinct type of psychological condition that differs from simple misinformation or perceptual mistakes, and recognizing this distinction is important for understanding and treating mental health disorders.

AI-generated from the Wikipedia summary — may contain errors.

Key facts

Medical condition (new).name
Delusion
Medical condition (new).specialty
Psychiatry

via Wikipedia infobox

Research

14,977 papers

via PubMed

Wikidata facts

Instance of
symptom or sign
Subclass of
thought disorder
Part of
fantasy
Image
Karl Jaspers 1946.jpg
Show 8 more facts
different from
hallucination
health specialty
psychology
ICPC 2 ID
P71
has cause
psychosis
topic's main category
Category:Delusions
exact match
purl.obolibrary.org/obo/HP_0000746
NCI Thesaurus ID
C26741
on focus list of Wikimedia project
Wikipedia:Vital articles/Level/4
Sources (8)

via Wikidata · CC0

~19 min read

Encyclopedic overview

16 sections
Contents
  • Types
  • Themes
  • Grandiose delusions
  • Persecutory delusions
  • Causes
  • Specific delusions
  • Pathophysiology
  • Definition and diagnosis
  • Debate over definitions
  • Treatment
  • Criticism
  • See also
  • Footnotes
  • References
  • Further reading
  • External links

A delusion is a fixed belief that is not amenable to change in light of conflicting evidence. As a pathology (delusional disorder), it is distinct from a belief based on false or incomplete information, confabulation, dogma, illusion, hallucination, or some other misleading effects of perception, as individuals with those beliefs are able to change or readjust their beliefs upon reviewing the evidence. However:

"The distinction between a delusion and a strongly held idea is sometimes difficult to make and depends in part on the degree of conviction with which the belief is held despite clear or reasonable contradictory evidence regarding its veracity."

Excerpted from Wikipedia’s “delusion” article, available under the CC BY-SA 4.0 licence.

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