亚阈值混合气味对异戊酸识别的掩蔽效应。

IF 2.8 4区 心理学 Q1 BEHAVIORAL SCIENCES
Jianbo Huang, Jiehua Lin, Rachel Yueng, Shuyi Wu, Leto Solla, Terry Acree
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引用次数: 0

摘要

用令人愉快的气味剂掩盖令人不快的气味有着悠久的历史,并被用于各种行业,包括香水和消费品。然而,气味掩蔽的有效性是特殊的和暂时的。在这项研究中,我们使用嗅嗅嗅测术(SO)研究了用难闻的异戊酸(IVA)和不同掩蔽剂的混合物进行短暂70毫秒的掩蔽的心理物理学。IVA是人体汗液的一种成分,它可以压制汗液的气味,并且经常与令人不快的描述联系在一起,比如“健身房储物柜”、“脚臭”、“脏衣服”等等。传统上,高浓度的令人愉快的气味剂被用来减轻IVA在涉及被IVA污染的衣服或环境的情况下的不愉快。为了研究亚阈值水平的各种掩蔽剂(新菊醛、香叶醇、florhydral、decanal、异长叶酮、甲基异丁香酚和s-柠檬烯)对IVA的掩蔽作用,我们进行了SO实验,测量了在顶空气中含有IVA超阈值浓度和IVA抑制物亚阈值浓度的混合物刺激70ms后识别IVA的概率。该研究涉及9名受试者,平均而言,一种掩蔽剂可将IVA识别概率降低14%至72%。此外,由六种掩蔽剂组成的亚阈值气味混合物显示出IVA识别的大幅下降,减少了96%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Masking effects on iso-valeric acid recognition by sub-threshold odor mixture.

Masking unpleasant odors with pleasant-smelling odorants has a long history and is utilized in various industries, including perfumery and consumer products. However, the effectiveness of odor masking is idiosyncratic and temporary. In this study, we employed Sniff olfactometry (SO) to investigate the psychophysics of masking using brief 70 ms stimulations with mixtures of the mal-odorant iso-valeric acid (IVA) and different masking agents. IVA is a component of human sweat that can overpower its smell and is often associated with unpleasant descriptors such as "gym locker," "smelly feet," "dirty clothes," and so on. Traditionally, high concentrations of pleasant-smelling odorants are used to mitigate the unpleasantness of IVA in situations involving clothing or environments contaminated with IVA. To examine the masking effects of sub-threshold levels of various masking agents (neohivernal, geraniol, florhydral, decanal, iso-longifolanone, methyl iso-eugenol, and s-limonene) on IVA, we conducted experiments using SO to measure the probability of recognizing IVA after 70 ms stimulations with headspaces containing mixtures of super-threshold concentrations of IVA and sub-threshold concentrations of IVA suppressors. The study involved nine subjects, and on average, a single masking agent was found to decrease IVA recognition probability by 14-72%. Moreover, a sub-threshold odor mixture consisting of 6 masking agents demonstrated a substantial decrease in IVA recognition, with a reduction of 96%.

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来源期刊
Chemical Senses
Chemical Senses 医学-行为科学
CiteScore
8.60
自引率
2.90%
发文量
25
审稿时长
1 months
期刊介绍: Chemical Senses publishes original research and review papers on all aspects of chemoreception in both humans and animals. An important part of the journal''s coverage is devoted to techniques and the development and application of new methods for investigating chemoreception and chemosensory structures.
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