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Can observers link dream content to behaviours in rapid eye movement sleep behaviour disorder?: A cross-sectional experimental pilot study
University of Skövde, School of Humanities and Informatics.ORCID iD: 0000-0002-5133-8664
Innsbruck Med Univ, Dept Neurol, A-6020 Innsbruck, Austria .
Innsbruck Med Univ, Dept Neurol, A-6020 Innsbruck, Austria .
Innsbruck Med Univ, Dept Neurol, A-6020 Innsbruck, Austria .
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2012 (English)In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 21, no 1, 21-29 p.Article in journal (Refereed) Published
Abstract [en]

Motor activity in rapid eye movement (REM) sleep behaviour disorder (RBD) has been linked to dream content. Systematic and controlled sleep laboratory studies directly assessing the relation between RBD behaviours and experienced dream content are, however, largely lacking. We aimed to investigate whether a link can be established between RBD behaviours and dream content when both are systematically sampled in a controlled setting. We investigated six patients with Parkinson syndrome and RBD who underwent 23 nights of videopolysomnographic recording during which they were awakened from REM sleep (10 min after the onset of the second and successive REM periods). Spontaneous free-worded dream reports and a structured dream questionnaire were obtained. Video recordings of motor manifestations were each combined with four dream reports, and seven judges had to match the video clip with the correctly reported dream content from a choice of four possibilities. Of the 35 REM sleep awakenings performed, a total of 17 (48.6%) motor-behavioural episodes with recalled dream content were obtained. The mean of correctly identified video-dream pairs was 39.5% (range 0100%). Our data showed that reported dream content can be linked to motor behaviours above chance level. Matching accuracy was affected mainly by the clarity of dream reports and the specific nature of movements manifest in video recordings.

Place, publisher, year, edition, pages
Wiley-Blackwell, 2012. Vol. 21, no 1, 21-29 p.
Keyword [en]
dream content, dream enactment behaviour, Parkinson's disease, REM sleep behaviour disorder, video analysis
National Category
Natural Sciences
Research subject
Natural sciences
Identifiers
URN: urn:nbn:se:his:diva-5456DOI: 10.1111/j.1365-2869.2011.00938.xISI: 000299332300004PubMedID: 21815957Scopus ID: 2-s2.0-84856104558OAI: oai:DiVA.org:his-5456DiVA: diva2:505108
Available from: 2012-02-23 Created: 2012-02-22 Last updated: 2016-04-28Bibliographically approved

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CiteExportLink to record
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