hallucination

perception in the presence of no external stimuli found, but characteristic of true perception
Thing symptom_or_sign Q130741
hallucination
August Natterer · Public Domain · Wikimedia
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hallucination

Summary

hallucination is a symptom or sign[1]. hallucination ranks in the top 7% of symptom_or_sign entities by monthly Wikipedia readership (1,195 views/month).[2]

Key Facts

  • hallucination's instance of is recorded as symptom or sign[3].
  • hallucination is a type of psychopathological symptom[4].
  • hallucination is a type of disruption[5].
  • hallucination is a type of perceptual distortion[6].
  • hallucination is a type of general symptom[7].
  • hallucination is part of fantasy[8].
  • hallucination's Commons category is recorded as Hallucination[9].
  • hallucination's topic's main category is recorded as Category:Hallucinations[10].
  • hallucination's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[11].
  • hallucination's described by source is recorded as Small Brockhaus and Efron Encyclopedic Dictionary[12].
  • hallucination's described by source is recorded as Encyclopædia Britannica 11th edition[13].
  • hallucination's described by source is recorded as Great Soviet Encyclopedia (1926–1947)[14].
  • hallucination's NCI Thesaurus ID is recorded as C37961[15].
  • hallucination's different from is recorded as illusion[16].
  • hallucination's different from is recorded as imagination[17].
  • hallucination's different from is recorded as delusion[18].
  • hallucination's health specialty is recorded as psychiatry[19].
  • hallucination's health specialty is recorded as medical psychology[20].
  • hallucination's health specialty is recorded as psychotherapy[21].
  • hallucination's exact match is recorded as http://purl.obolibrary.org/obo/HP_0000738[22].
  • hallucination's exact match is recorded as http://purl.obolibrary.org/obo/SYMP_0000607[23].
  • hallucination's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[24].
  • hallucination's does not have characteristic is recorded as control[25].

Body

Definition and Type

hallucination's instance of is recorded as symptom or sign[3]. Recorded subclass of include psychopathological symptom[4], disruption[5], perceptual distortion[6], and general symptom[7].

Use and Application

hallucination is part of fantasy[8].

Influence

Things named for hallucination include Smyslovye Gallyutsinatsii[26], a musical group[27], in Soviet Union[28], founded in 1989[29].

Why It Matters

hallucination ranks in the top 7% of symptom_or_sign entities by monthly Wikipedia readership (1,195 views/month).[2] hallucination has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[30] hallucination is known by 48 alternative names across languages and contexts.[31]

Entities named for hallucination include Smyslovye Gallyutsinatsii[26], a musical group[27], in Soviet Union[28], founded in 1989[29].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . Symptom Ontology. Retrieved . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . Human Phenotype Ontology release 2018-03-08. Retrieved . wikidata.org.
  21. [23] . Symptom Ontology. Retrieved . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [26] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [27] . Wikidata. wikidata.org. → on this site
  2. [28] . Wikidata. wikidata.org. → on this site
  3. [29] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] . Wikidata sitelinks. wikidata.org.
  3. [31] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). hallucination. Retrieved May 3, 2026, from https://4ort.xyz/entity/hallucination
MLA “hallucination.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hallucination.
BibTeX @misc{4ortxyz_hallucination_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{hallucination}}, year = {2026}, url = {https://4ort.xyz/entity/hallucination}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): hallucination — https://4ort.xyz/entity/hallucination (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/hallucination · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6d ago · Horcrux · 2026-05-15 view diff on Wikidata ↗
    Cicap encyclopedia id 100248
    "/* wbsetclaim-create:2||1 */ [[Property:P14325]]: 100248"
  2. 6d ago · Kylespaski · 2026-05-14 view diff on Wikidata ↗
    Local thumb
    "/* wbeditentity-update-languages-short:0||es, pt */"
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