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Highlighting the large variation in perceived properties of odors over time
University of Gävle, Faculty of Health and Occupational Studies, Department of Occupational and Public Health Sciences, Occupational health science. University of Gävle, Centre for Musculoskeletal Research.
Department of Psychology, Umeå University, Sweden.
Department of Psychology, Umeå University, Sweden.
2017 (English)In: Chemical Senses, ISSN 0379-864X, E-ISSN 1464-3553, Vol. 42, no 2, E26- p.Article in journal, Meeting abstract (Refereed) Published
Abstract [en]

Individuals differ considerably when rating the perceived properties of odors, especially over time. A second glance at previously published data-sets from our laboratory revealed that the same invariant exposure often produced both floor and roof effects. An odor that at the end of the exposure ses-sion was regarded as non-existent by one participant, could border the “absoulte maximum” rating category in another. We provide re-analyses from four exposure studies where we illustrate the perceptual variability over time, and outcomes associated with such ratings. We note that high, compared with low ratings of odor intensity over time is associated with ratings of unpleasantness and symptoms, but also with everyday distress, cognitive performance, autonomous nerv-ous system activity and deviating responses in the so-called pain or saliency matrix of the brain. We bring an open ques-tion to ECRO regarding how this considerable variability should be interpreted, and what the consequenced are for research and for setting exposure limits.

Place, publisher, year, edition, pages
2017. Vol. 42, no 2, E26- p.
National Category
Environmental Health and Occupational Health
Identifiers
URN: urn:nbn:se:hig:diva-24320ISI: 000397065700061OAI: oai:DiVA.org:hig-24320DiVA: diva2:1110917
Conference
26th Annual Meeting of the European-Chemoreception-Research-Organization (ECRO), 7-10 September 2016, Athens, Greece
Available from: 2017-06-16 Created: 2017-06-16 Last updated: 2017-06-16Bibliographically approved

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CiteExportLink to record
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  • apa
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