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Conditioned Taste Aversion

Conditioned Taste Aversion

Conditioned taste aversion, also known as sauce béarnaise syndrome, is a phenomenon in which an individual develops an aversion to a certain food taste following a negative experience, typically illness. This form of aversion is a type of classical conditioning in which the taste of the food (conditioned stimulus, CS) is associated with the experience of illness (unconditioned stimulus, UCS).
A notable characteristic of conditioned taste aversion is that it often requires only a single exposure...

The Physiology of Taste

The Physiology of Taste

The perception of a salty flavor is facilitated by sodium ions within the oral salivary fluid. Upon consumption of a salty substance, salt crystals disassemble, leading to the liberation of its constituents—Na+ and Cl- ions. These ions subsequently dissolve into the salivary fluid present in the oral cavity. The external environment of the gustatory cells experiences an elevation in Na+ concentration, thereby establishing a potent concentration gradient. This gradient propels the diffusion of...

Taste Buds and Receptors

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Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...

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The Tongue and Taste Buds

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Related Experiment Video

Updated: Jul 4, 2026

Psychophysical Tracking Method to Measure Taste Preferences in Children and Adults

Psychophysical Tracking Method to Measure Taste Preferences in Children and Adults

Published on: July 16, 2016

Practice does make perfect. A longitudinal look at repeated taste exposure.

Keith E Williams¹, Candace Paul, Bianca Pizzo

¹Penn State Hershey Medical Center, 905 W. Governor Road, Hershey, PA 17033, USA. feedingprogram@hmc.psu.edu

|July 1, 2008

Summary

Repeated exposure to new foods increases liking and consumption. As more foods are introduced, fewer exposures are needed for acceptance, potentially improving dietary interventions.

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Area of Science:

Nutrition Science
Behavioral Science
Pediatric Health

Background:

Repeated exposure (10-15 instances) enhances novel food acceptance and consumption.
Prior studies primarily used cross-sectional designs with limited novel food variety.

Purpose of the Study:

To investigate if the number of exposures needed for novel food consumption decreases with increased dietary variety.
To assess the impact of dietary diversity on the efficacy of repeated exposure interventions.

Main Methods:

A small clinical sample was utilized.
The study tracked the number of exposures required for novel food consumption.
Dietary diversity was systematically increased during the study period.

Main Results:

The number of exposures required for novel food consumption was observed to decrease.
This reduction in required exposures correlated with an increase in the variety of foods offered.
Findings suggest a dose-response relationship between dietary diversity and novel food acceptance.

Conclusions:

Introducing a greater variety of foods may reduce the number of exposures needed for acceptance.
This finding could enhance the feasibility and acceptance of repeated exposure interventions for picky eaters.
Evidence supports adapting exposure strategies based on dietary context.