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Chemical Intolerance Is Associated With Altered Response Bias, not Greater Sensory Sensitivity
Umeå University, Faculty of Social Sciences, Department of Psychology.ORCID iD: 0000-0003-4088-0025
Umeå University, Faculty of Medicine, Department of Radiation Sciences, Diagnostic Radiology.
Umeå University, Faculty of Social Sciences, Department of Psychology.
Umeå University, Faculty of Social Sciences, Department of Psychology.
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2020 (English)In: i-Perception, E-ISSN 2041-6695, Vol. 11, no 6, article id 2041669520978424Article in journal (Refereed) Published
Abstract [en]

Chemical intolerance is a surprisingly prevalent condition or affliction characterized by adverse reactions to low levels of chemical, often odorous stimulation. Sufferers often assume that their plight is due to an uncommon sensory acuteness, yet studies repeatedly fail to reveal altered detection thresholds. Here, we investigated whether self-reported chemical intolerance is associated with altered sensory sensitivity or response bias. The sensory acuity (sensitivity; A) and sensory decision rule (criterion; B) to n-butanol was assessed using the method of constant stimuli in 82 participants with different degrees of chemical intolerance (low to high). Higher self-reported chemical intolerance was associated with a lower criterion, but not with sensitivity.

Place, publisher, year, edition, pages
Sage Publications, 2020. Vol. 11, no 6, article id 2041669520978424
Keywords [en]
chemical intolerance, chemosensory, idiopathic environmental intolerance, multiple chemical sensitivity, signal detection theory, smell
National Category
Psychology (excluding Applied Psychology)
Identifiers
URN: urn:nbn:se:umu:diva-178526DOI: 10.1177/2041669520978424ISI: 000601264400001PubMedID: 33425314Scopus ID: 2-s2.0-85097893220OAI: oai:DiVA.org:umu-178526DiVA, id: diva2:1518070
Funder
Riksbankens Jubileumsfond, M14-0375:1Available from: 2021-01-15 Created: 2021-01-15 Last updated: 2023-11-15Bibliographically approved

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Andersson, LinusSandberg, PetraÅström, ElisabethClaeson, Anna-Sara

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