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Chemical Intolerance Is Associated With Altered Response Bias, not Greater Sensory Sensitivity
i-Perception ( IF 1.492 ) Pub Date : 2020-12-20 , DOI: 10.1177/2041669520978424
Linus Andersson 1 , Petra Sandberg 2 , Elisabeth Åström 1 , Moa Lillqvist 1 , Anna-Sara Claeson 1
Affiliation  

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.



中文翻译:

化学不耐受与改变的反应偏见有关,而不是与更大的感官敏感性有关

化学不耐受是一种令人惊讶的普遍状况或痛苦,其特征是对低水平的化学刺激物(通常是有气味的刺激物)产生不良反应。病人常常认为自己的困境是由于不常见的感觉敏锐度引起的,但是反复进行的研究未能揭示变化的检测阈值。在这里,我们调查了自我报告的化学不耐受是否与改变的感觉敏感性或反应偏倚有关。使用持续刺激的方法,对82名化学耐受程度不同(从低到高)的参与者进行了对丁醇的感觉敏锐度(敏感性; A)和感觉决策规则(标准; B)的评估。自我报告的较高的化学耐受性与较低的标准有关,但与敏感性无关。

更新日期:2020-12-23
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