Occurrence and co-occurrence of hallucinations by modality in schizophrenia-spectrum disorders

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dc.contributor.authorMcCarthy-Jones, Simonen
dc.contributor.authorSmailes, Daviden
dc.contributor.authorCorvin, Aidenen
dc.contributor.authorGill, Michaelen
dc.contributor.authorMorris, Derek W.en
dc.contributor.authorDinan, Timothy G.en
dc.contributor.authorMurphy, Kieran C.en
dc.contributor.authorO′Neill, F. Anthonyen
dc.contributor.authorWaddington, John L.en
dc.contributor.authorDonohoe, Garyen
dc.contributor.authorDudley, Roberten
dc.date.accessioned2024-07-31T11:10:10Z
dc.date.available2024-07-31T11:10:10Z
dc.date.issued2017-03-06en
dc.description.abstractIt is not only unclear why hallucinations in schizophrenia occur with different prevalence by modality, but also to what extent they do. Reliable prevalence estimates of hallucinations by modality in schizophrenia are currently lacking, particularly for non-auditory hallucinations. Studies have also tended to report lifetime, not point prevalence by modality. This study assessed the prevalence and co-occurrence of hallucinations, for both lifetime and point prevalence, across the auditory, visual, olfactory, and tactile modalities, in people diagnosed with chronic schizophrenia-spectrum disorders in Ireland (N=693) and Australia (N=218). Lifetime prevalence was 64–80% auditory, 23–31% visual, 9–19% tactile, and 6–10% olfactory. Past month prevalence was 23–27% auditory, 5–8% visual, 4–7% tactile, and 2% olfactory. The majority of participants had only hallucinated in one modality, with this nearly always being the auditory. Approximately one-third had hallucinated in two modalities, most commonly the auditory and visual. Most currently hallucinating patients also hallucinated in a single modality, again, nearly always the auditory. Whereas 30–37% of patients with lifetime auditory hallucinations had experienced visual hallucinations, 83–97% of patients with experience of visual hallucinations had experienced auditory hallucinations. These findings help delineate the modality distribution of hallucinations in schizophrenia, and provide an explanatory target for theoretical models.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationMcCarthy-Jones, S., Smailes, D., Corvin, A., Gill, M., Morris, D. W., Dinan, T. G., Murphy, K. C., Waddington, J. L., Bank, A. S. R., Donohoe, G. and Dudley, R. (2017) 'Occurrence and co-occurrence of hallucinations by modality in schizophrenia-spectrum disorders', Psychiatry Research, 252, pp.154-160. https://doi.org/10.1016/j.psychres.2017.01.102en
dc.identifier.doihttps://doi.org/10.1016/j.psychres.2017.01.102en
dc.identifier.endpage160en
dc.identifier.issn0165-1781en
dc.identifier.journaltitlePsychiatry Researchen
dc.identifier.startpage154en
dc.identifier.urihttps://hdl.handle.net/10468/16166
dc.identifier.volume252en
dc.language.isoenen
dc.publisherElsevier B.V.en
dc.rights© 2017, Elsevier B.V. All rights reserved. This manuscript version is made available under the CC BY-NC-ND 4.0 license.en
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectAuditoryen
dc.subjectPsychosisen
dc.subjectOlfactoryen
dc.subjectTactileen
dc.subjectVisualen
dc.titleOccurrence and co-occurrence of hallucinations by modality in schizophrenia-spectrum disordersen
dc.typeArticle (peer-reviewed)en
oaire.citation.volume252en
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