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Delusion
| Delusion | |
|---|---|
| Specialty | Psychiatry |
A delusion[a] is a fixed belief that is not amenable to change in light of conflicting evidence.[2] As a pathology, 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."[2]
Delusions have been found to occur in the context of many pathological states (both general physical and mental) and are of particular diagnostic importance in psychotic disorders including schizophrenia, paraphrenia, manic episodes of bipolar disorder,[3][4] and psychotic depression.
- ^ Harper, Douglas. "delusion". Online Etymology Dictionary.
- ^ a b Bortolotti L (7 June 2013). "Delusions in the DSM 5". Imperfect Cognitions.
- ^ Dunayevich, Eduardo; Keck, Paul E. (2000). "Prevalence and description of psychotic features in bipolar mania". Current Psychiatry Reports. 2 (4): 286–290. doi:10.1007/s11920-000-0069-4. ISSN 1523-3812.
- ^ Bergen, Annet H. van; Verkooijen, Sanne; Vreeker, Annabel; Abramovic, Lucija; Hillegers, Manon H.; Spijker, Annet T.; Hoencamp, Erik; Regeer, Eline J.; Knapen, Stefan E.; Lek, Rixt F. Riemersma-van der; Schoevers, Robert; Stevens, Anja W.; Schulte, Peter F. J.; Vonk, Ronald; Hoekstra, Rocco (2019). "The characteristics of psychotic features in bipolar disorder". Psychological Medicine. 49 (12): 2036–2048. doi:10.1017/S0033291718002854. ISSN 0033-2917.
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