Subjective touch sensitivity leads to behavioral shifts in oral food texture sensitivity and awareness

Abstract Neurotypical individuals have subjective sensitivity differences that may overlap with more heavily studied clinical populations. However, it is not known whether these subjective differences in sensory sensitivity are modality specific, or lead to behavioral shifts. In our experiment, we m...

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Main Authors: R. Pellegrino, C. McNelly, C. R. Luckett
Format: Article
Language:English
Published: Nature Portfolio 2021-10-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-021-99575-4
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author R. Pellegrino
C. McNelly
C. R. Luckett
author_facet R. Pellegrino
C. McNelly
C. R. Luckett
author_sort R. Pellegrino
collection DOAJ
description Abstract Neurotypical individuals have subjective sensitivity differences that may overlap with more heavily studied clinical populations. However, it is not known whether these subjective differences in sensory sensitivity are modality specific, or lead to behavioral shifts. In our experiment, we measured the oral touch sensitivity and food texture awareness differences in two neurotypical groups having either a high or low subjective sensitivity in touch modality. To measure oral touch sensitivity, individuals performed discrimination tasks across three types of stimuli (liquid, semisolid, and solid). Next, they performed two sorting exercises for two texture-centric food products: cookies and crackers. The stimuli that required low oral processing (liquid) were discriminated at higher rates by participants with high subjective sensitivity. Additionally, discrimination strategies between several foods in the same product space were different across the groups, and each group used attributes other than food texture as differentiating characteristics. The results show subjective touch sensitivity influences behavior (sensitivity and awareness). However, we show that the relationship between subjective touch sensitivity and behavior generalizes beyond just touch to other sensory modalities.
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spelling doaj.art-14bc840fb096442e83fdd8fb084516c32022-12-21T23:33:32ZengNature PortfolioScientific Reports2045-23222021-10-011111910.1038/s41598-021-99575-4Subjective touch sensitivity leads to behavioral shifts in oral food texture sensitivity and awarenessR. Pellegrino0C. McNelly1C. R. Luckett2Department of Food Science, University of TennesseeDepartment of Food Science, University of TennesseeDepartment of Food Science, University of TennesseeAbstract Neurotypical individuals have subjective sensitivity differences that may overlap with more heavily studied clinical populations. However, it is not known whether these subjective differences in sensory sensitivity are modality specific, or lead to behavioral shifts. In our experiment, we measured the oral touch sensitivity and food texture awareness differences in two neurotypical groups having either a high or low subjective sensitivity in touch modality. To measure oral touch sensitivity, individuals performed discrimination tasks across three types of stimuli (liquid, semisolid, and solid). Next, they performed two sorting exercises for two texture-centric food products: cookies and crackers. The stimuli that required low oral processing (liquid) were discriminated at higher rates by participants with high subjective sensitivity. Additionally, discrimination strategies between several foods in the same product space were different across the groups, and each group used attributes other than food texture as differentiating characteristics. The results show subjective touch sensitivity influences behavior (sensitivity and awareness). However, we show that the relationship between subjective touch sensitivity and behavior generalizes beyond just touch to other sensory modalities.https://doi.org/10.1038/s41598-021-99575-4
spellingShingle R. Pellegrino
C. McNelly
C. R. Luckett
Subjective touch sensitivity leads to behavioral shifts in oral food texture sensitivity and awareness
Scientific Reports
title Subjective touch sensitivity leads to behavioral shifts in oral food texture sensitivity and awareness
title_full Subjective touch sensitivity leads to behavioral shifts in oral food texture sensitivity and awareness
title_fullStr Subjective touch sensitivity leads to behavioral shifts in oral food texture sensitivity and awareness
title_full_unstemmed Subjective touch sensitivity leads to behavioral shifts in oral food texture sensitivity and awareness
title_short Subjective touch sensitivity leads to behavioral shifts in oral food texture sensitivity and awareness
title_sort subjective touch sensitivity leads to behavioral shifts in oral food texture sensitivity and awareness
url https://doi.org/10.1038/s41598-021-99575-4
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AT crluckett subjectivetouchsensitivityleadstobehavioralshiftsinoralfoodtexturesensitivityandawareness