Visual hallucinations in consultation-liaison neuropsychiatry

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Walterfang M, Mocellin R, Velakoulis D. Visual hallucinations in consultation-liaison neuropsychiatry. Background: 

In consultation-liaison settings, neuropsychiatrists are commonly asked to assess patients with hallucinatory syndromes and to differentiate ‘functional’ from ‘organic’ psychotic presentations. Methods: 

The occurrence and management of visual hallucinations (VH) in healthy individuals, lesion states, neurodegenerative disorders, intoxication/withdrawal states and delirium are reviewed. Results: 

The presence of VH has been shown to predict a secondary rather than primary psychotic illness and an understanding of the neurobiology of the visual system – including how and where underlying neurotransmitter systems interact in visual processing and how perturbations can result in VH – allows for appropriate clinical assessment and management.

Keywords: delirium; dopamine; hallucinations; hallucinosis; visual

Document Type: Review Article


Publication date: December 1, 2007

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