Cited by 123Olfactory and Sensory Function StudiesMultisensory perception and integrationCategorization, perception, and language

Color enhances orthonasal olfactory intensity and reduces retronasal olfactory intensity

Koza, Brian J., Cilmi, Anna, Dolese, Melissa, Zellner, Debra A.·2005·Chemical Senses

Abstract

The effect of color on orthonasal and retronasal odor intensities was investigated. When odorants were smelled orthonasally (i.e., through the nostrils), color enhanced odor intensity ratings, consistent with previous reports. However, when odorants were smelled retronasally (i.e., the odorous solution was put in the mouth), color reduced odor intensity ratings. These different effects of color on odor intensity (i.e., enhancement orthonasally and suppression retronasally) appear to be the result of route of olfactory stimulation rather than of any procedural artifact. This supports previous reports that retronasal and orthonasal odors are perceived differently.

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Crossref · 10.1093/chemse/bji057

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30 of 30 references verified0 citation errors · 0 not checkable

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  • By altering the expectation of flavour, colour can enhance orthonasal olfactory intensity and reduce retronasal intensity relative to colourless solutions.

    “By altering the expectation of flavour, colour can enhance orthonasal olfactory intensity and reduce retronasal intensity (relative to colourless solutions, see Reference [151]).”
  • Colouring solutions red leads to odour enhancement in participants who sniffed the odour orthonasally, while leading to a reduction in perceived odour intensity when presented retronasally.

    “colouring the solutions red led to odour enhancement in those participants who sni ed the odour orthonasally, while leading to a reduction in perceived odour intensity when it was presented retronasally.”
  • Colour has a qualitatively different effect on the perception of orthonasally versus retronasally presented odours associated with a commercial fruit-flavoured water drink.

    “Koza et al. [151]. These researchers demonstrated that colour had a qualitatively di erent e ect on the perception of orthonasally (interoceptive) versus retronasally (exteroceptive) presented odours associated with a commercial fruit-flavoured water drink”

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Authors
Koza, B. J., Cilmi, A., Dolese, M., & Zellner, D. A.
Affiliations
Montclair State University (US)
Corresponding author
Koza, Brian J.
Venue
Chemical Senses
Published
2005-09-01
Volume
30
Issue
8
Pages
643-649
ISSN
  • 0379-864X (ISSN-L)
  • 1464-3553
OpenAlex
W2159151644
Cited by
123
References
28
Citations by year
2026: 5 · 2025: 4 · 2024: 3 · 2023: 3 · 2022: 6 · 2021: 6 · 2020: 9 · 2019: 7 · 2018: 7 · 2017: 8 · 2016: 6 · 2015: 8 · 2014: 8 · 2013: 8 · 2012: 6
FWCI
0.96
Type
journal article
Language
en
Open access
closed
Locations
  • Chemical Senses (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Categorization, perception, and language
Keywords
orthonasal olfaction, retronasal olfaction, odor intensity, olfactory perception
MeSH terms
Adult, Color, Female, Humans, Male, Middle Aged, Photic Stimulation, Smell, Stimulation, Chemical

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