delusion

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

Resolving the Delusion Paradox.ReviewSchizophrenia bulletin · 2023Petrovic P, Sterzer PDOI: 10.1093/schbul/sbad084
Drug-induced delusion: A comprehensive overview of the WHO pharmacovigilance database.ReviewPsychiatry research · 2023Balcerac A, Baldacci A, Romier A et al.DOI: 10.1016/j.psychres.2023.115365
Delusion, possession and religion(†).ReviewNordic journal of psychiatry · 2018Ventriglio A, Bonfitto I, Ricci F et al.DOI: 10.1080/08039488.2018.1525639
Acting on delusion and delusional inconsequentiality: A review.ReviewComprehensive psychiatry · 2021Poupart F, Bouscail M, Sturm G et al.DOI: 10.1016/j.comppsych.2021.152230
Understanding the Delusion of Theft.ReviewThe Psychiatric quarterly · 2018Seeman MVDOI: 10.1007/s11126-018-9588-1
Capgras' Delusion: A Systematic Review of 255 Published Cases.Psychopathology · 2019Pandis C, Agrawal N, Poole NDOI: 10.1159/000500474
The origins of delusion.ReviewThe British journal of psychiatry : the journal of mental science · 1992Roberts GDOI: 10.1192/bjp.161.3.298
Understanding delusion in dementia: a review.ReviewGeriatrics & gerontology international · 2014Cipriani G, Danti S, Vedovello M et al.DOI: 10.1111/ggi.12105

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Wikidata facts

Image: Karl Jaspers 1946.jpg

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ICPC 2 ID: P71
exact match: purl.obolibrary.org/obo/HP_0000746
NCI Thesaurus ID: C26741

Sources (8)

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~19 min read

Article

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

"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."