Illusion

Illusions belong together with hallucinations to changes in perception, or perception disorders.

• It originates from misinterpreted stimulus (which differs from hallucinations, in which new objects are perceived)
• They tend to be presented both in psychological disorders (e.g. as a part of delirium or psychosis)and completely physiologically (typically visual illusions).

Related articles

• Hallucination
• Perception and its disorders

References

• RABOCH, Jiří – PAVLOVSKÝ, Pavel. Psychiatrie :  minimum pro praxi. 2. edition. Praha : Triton, 2001. ISBN 8072541560.