In <psychology>, a hallucination is a false sensory perception in the absence of an external stimulus, as distinct from an <illusion>, which is a misperception of an external stimulus. Hallucinations may occur in any sensory modality - visual, auditory, olfactory, gustatory, tactile, or mixed.

## See also

- [Hallucination (AI)](/pages/Hallucination%20(AI.txt))