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Updated November 07, 2012

Hallucinations are experiences where one's senses are deceived and the unreal seems real.

Hallucinations are common psychotic symptoms of schizophrenia, schizoaffective disorder, bipolar disorder, post-partum psychosis and other psychotic disorders.

The most common hallucinations are auditory, where a patient hears voices or sounds that do not really exist. Visual hallucinations (seeing images that aren't there) are the next most common type.

For more, see What Are Hallucinations?.

Pronunciation: hal-LOO-sin-A-shuns

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