A comparison of visual hallucinations across disorders

Dudley, R.; Aynsworth, C.; Mosimann, Urs Peter; Taylor, J-P.; Smailes, D.; Collerton, D.; McCarthy-Jones, S.; Urwyler, Prabitha (2019). A comparison of visual hallucinations across disorders. Psychiatry research, 272, pp. 86-92. Elsevier 10.1016/j.psychres.2018.12.052

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Research into hallucinations typically regards them as single sensory or unimodal experiences leading to a comparative neglect of co-occurring multi-sensory hallucinations (MSH). People with psychosis who have visual hallucinations (VH) report high rates of hallucinations in other senses (auditory, olfactory, tactile). However, it is not known if this is similar to other groups who report VH. Consequently, this study explored MSH in four different patient groups who all had current VH. Archival data from standardised assessments of visual hallucinations in people with psychosis (n=22), eye disease (ED) (n=82), Lewy body Dementia (LBD) (n=41), and Parkinson's disease (PD) (n=41) determined the presence of MSH. People with psychosis and visual hallucinations reported significantly higher rates of MSH (auditory, 73%; tactile, 82%; olfactory/gustatory hallucinations, 27%) than the LBD group (auditory, 21%; tactile, 28%; olfactory/gustatory, 6%), ED (auditory, 1%; tactile, 11%; olfactory/gustatory, 0%) and PD patients (auditory, 3%; tactile, 8%; olfactory/gustatory, 3%). Regardless of diagnostic grouping, participants with MSH reported greater conviction that the VH were real, and reported greater distress. People with psychosis with VH report high rates of MSH unlike groups of older adults with VH. These between group differences in MSH prevalence have implications for clinical practice and theory.

Item Type:

Journal Article (Original Article)


10 Strategic Research Centers > ARTORG Center for Biomedical Engineering Research > ARTORG Center - Gerontechnology and Rehabilitation

UniBE Contributor:

Mosimann, Urs Peter and Urwyler-Harischandra, Prabitha


600 Technology > 610 Medicine & health








Angela Amira Botros

Date Deposited:

23 Jan 2019 16:43

Last Modified:

24 Oct 2019 05:10

Publisher DOI:


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