- Asaad's definition of illusions
- In 1990 the American psychiatrist Ghazi Asaad defined illusions as follows: "Illusions are defined as false sensory perceptions of real external stimuli that may be misinterpreted and perceived in a distorted way."ReferencesAsaad, G. (1990). Hallucinations in clinical psychiatry. A guide for mental health professionals. New York, NY: Brunner/Mazel.
Dictionary of Hallucinations. J.D. Blom. 2010.