Hallucination (disambiguation)

A hallucination is a perception (when there is no stimulus, or a perception) in the absence of a stimulus.

Hallucination or Hallucinations can also be

Computing and mathematics

• Hallucination (artificial intelligence), (when an AI says something that does not have justification from training data, or) assertion by an AI that is unjustified by its training data

Drugs

• Alcoholic hallucinosis
• Hallucinogen, a class of psychoactive drugs that can make altered states of consciousness, and those have alterations in thought, mood, and perception

Literature

• "Hallucination" (short story), a 1985 science fiction short story by Isaac Asimov
• Hallucinations (book), a 2012 book by Oliver Sacks

Music

• Hallucination Recordings, a record label
• Hallucinations (Atrocity album) (1990)
• Hallucinations (David Usher album) (2003)
• Hallucinations (EP), a 2019 EP by Pvris
• "Hallucination" (Regard and Years & Years song), 2022
• "Hallucination" (Sissal song), 2025
• Hallucinations: Psychedelic Pop Nuggets from the WEA Vaults, a 2004 compilation album
• "Hallucination", a 2024 song by Stray Kids from Hop
• "Hallucinations", a 2009 single by Angels & Airwaves from Love
• "Hallucinations", a 2019 single by Pvris from Use Me
• "Hallucinations", a bebop-era composition by Bud Powell covered by many jazz musicians
• The Halluci Nation, a Canadian electronic music group formerly known as A Tribe Called Red

• All pages with titles beginning with Hallucination
• All pages with titles containing Hallucination