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A hallucination is a sensation of something which is not real.  Most commonly, hallucinations are auditory (e.g., hearing voices), but visual and tactile hallucinations also occur.

A '''hallucination''' is a sensation of something which is not real.  Most commonly, hallucinations are auditory (e.g., hearing voices), but visual and tactile hallucinations also occur.

Hallucinations can be caused by [[psychosis|psychotic]] disorders (e.g., [[schizophrenia]], [[schizoaffective disorder]], [[schizophreniform disorder]]) as well as hallucinogenic [[drugs]].

Hallucinations can be caused by [[psychosis|psychotic]] disorders (e.g., [[schizophrenia]], [[schizoaffective disorder]], [[schizophreniform disorder]]) as well as hallucinogenic [[drugs]].