Background stimulus delays detection of target stimulus in a familiar odor–odor combination

Abstract Familiarity of odor–odor combinations is enhanced through food intake in daily life. As familiarity increases, the perceptual boundary between two odors may become ambiguous; therefore, we hypothesized that exposure to one odor would delay detection of the other in a high-familiarity combin...

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Autores principales:	Naomi Gotow, Ayaka Hoshi, Tatsu Kobayakawa
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/602f1658522f4d9691157fbbe7f048cc
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spelling	oai:doaj.org-article:602f1658522f4d9691157fbbe7f048cc2021-12-02T17:47:15ZBackground stimulus delays detection of target stimulus in a familiar odor–odor combination10.1038/s41598-021-91295-z2045-2322https://doaj.org/article/602f1658522f4d9691157fbbe7f048cc2021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91295-zhttps://doaj.org/toc/2045-2322Abstract Familiarity of odor–odor combinations is enhanced through food intake in daily life. As familiarity increases, the perceptual boundary between two odors may become ambiguous; therefore, we hypothesized that exposure to one odor would delay detection of the other in a high-familiarity combination but not in a low-familiarity combination. To test this hypothesis, we measured the speed of odor detection using two types of background stimuli (black tea odor and odorless air) and two types of target stimuli (lemon odor and almond odor). For Japanese participants, the combination of black tea and lemon odor has high familiarity, whereas the combination of black tea and almond odors has low familiarity. Reaction time for detection of target stimulus was measured by inserting a pulsed target stimulus into the flow of the background stimulus (i.e., replacing the background stimulus with the target stimulus for a short time). Reaction time for detection of lemon odor was significantly longer under the black tea odor condition than under the odorless air condition. Reaction time for detection of almond odor was similar between the black tea odor and odorless air conditions. These results are in line with the hypothesis that familiarity of an odor–odor combination affects odor detection speed. Further investigations are required to reach more robust conclusions.Naomi GotowAyaka HoshiTatsu KobayakawaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Naomi Gotow Ayaka Hoshi Tatsu Kobayakawa Background stimulus delays detection of target stimulus in a familiar odor–odor combination
description	Abstract Familiarity of odor–odor combinations is enhanced through food intake in daily life. As familiarity increases, the perceptual boundary between two odors may become ambiguous; therefore, we hypothesized that exposure to one odor would delay detection of the other in a high-familiarity combination but not in a low-familiarity combination. To test this hypothesis, we measured the speed of odor detection using two types of background stimuli (black tea odor and odorless air) and two types of target stimuli (lemon odor and almond odor). For Japanese participants, the combination of black tea and lemon odor has high familiarity, whereas the combination of black tea and almond odors has low familiarity. Reaction time for detection of target stimulus was measured by inserting a pulsed target stimulus into the flow of the background stimulus (i.e., replacing the background stimulus with the target stimulus for a short time). Reaction time for detection of lemon odor was significantly longer under the black tea odor condition than under the odorless air condition. Reaction time for detection of almond odor was similar between the black tea odor and odorless air conditions. These results are in line with the hypothesis that familiarity of an odor–odor combination affects odor detection speed. Further investigations are required to reach more robust conclusions.
format	article
author	Naomi Gotow Ayaka Hoshi Tatsu Kobayakawa
author_facet	Naomi Gotow Ayaka Hoshi Tatsu Kobayakawa
author_sort	Naomi Gotow
title	Background stimulus delays detection of target stimulus in a familiar odor–odor combination
title_short	Background stimulus delays detection of target stimulus in a familiar odor–odor combination
title_full	Background stimulus delays detection of target stimulus in a familiar odor–odor combination
title_fullStr	Background stimulus delays detection of target stimulus in a familiar odor–odor combination
title_full_unstemmed	Background stimulus delays detection of target stimulus in a familiar odor–odor combination
title_sort	background stimulus delays detection of target stimulus in a familiar odor–odor combination
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/602f1658522f4d9691157fbbe7f048cc
work_keys_str_mv	AT naomigotow backgroundstimulusdelaysdetectionoftargetstimulusinafamiliarodorodorcombination AT ayakahoshi backgroundstimulusdelaysdetectionoftargetstimulusinafamiliarodorodorcombination AT tatsukobayakawa backgroundstimulusdelaysdetectionoftargetstimulusinafamiliarodorodorcombination
_version_	1718379469010370560

Background stimulus delays detection of target stimulus in a familiar odor–odor combination

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