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Related Concept Videos

Gustation01:43

Gustation

Gustation is a chemical sense that, along with olfaction (smell), contributes to our perception of taste. It starts with the activation of receptors by chemical compounds (tastants) dissolved in the saliva. The saliva and filiform papillae on the tongue distribute the tastants and increase their exposure to the taste receptors.
Taste Buds and Receptors01:20

Taste Buds and Receptors

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,...
The Physiology of Taste01:24

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...
Conditioned Taste Aversion01:14

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...
Regulation of Food Intake01:30

Regulation of Food Intake

Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
Primary Motives: Hunger and Thirst01:25

Primary Motives: Hunger and Thirst

Hunger and thirst are fundamental physiological drives crucial for maintaining homeostasis and ensuring the survival of both humans and animals. These drives are regulated through complex interactions between the brain, hormones, and sensory receptors.
Hunger arises when the brain detects changes in the body's nutrient levels, including glucose, lipids, amino acids, and hormones such as ghrelin and leptin. The hypothalamus plays a central role in hunger regulation. The lateral hypothalamus acts...

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Updated: May 22, 2026

Psychophysical Tracking Method to Measure Taste Preferences in Children and Adults
09:17

Psychophysical Tracking Method to Measure Taste Preferences in Children and Adults

Published on: July 16, 2016

Sweetness and food preference.

Adam Drewnowski1, Julie A Mennella, Susan L Johnson

  • 1The University of Washington, Nutritional Sciences Program, Seattle, WA, USA. adamdrew@u.washington.edu

The Journal of Nutrition
|May 11, 2012
PubMed
Summary
This summary is machine-generated.

Children

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Psychophysical Tracking Method to Assess Taste Detection Thresholds in Children, Adolescents, and Adults: The Taste Detection Threshold (TDT) Test

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Taste Preference Assay for Adult Drosophila

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Last Updated: May 22, 2026

Psychophysical Tracking Method to Measure Taste Preferences in Children and Adults
09:17

Psychophysical Tracking Method to Measure Taste Preferences in Children and Adults

Published on: July 16, 2016

Psychophysical Tracking Method to Assess Taste Detection Thresholds in Children, Adolescents, and Adults: The Taste Detection Threshold (TDT) Test
08:52

Psychophysical Tracking Method to Assess Taste Detection Thresholds in Children, Adolescents, and Adults: The Taste Detection Threshold (TDT) Test

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Taste Preference Assay for Adult Drosophila
04:31

Taste Preference Assay for Adult Drosophila

Published on: September 8, 2016

Area of Science:

  • Nutrition Science
  • Developmental Psychology

Background:

  • Sweet taste preference is innate and influences food choices from infancy.
  • Rising added sugar consumption is linked to the obesity epidemic.
  • Low-calorie sweeteners (LCS) offer reduced energy intake but raise developmental concerns.

Purpose of the Study:

  • To explore the impact of low-calorie sweeteners on children's taste perception and eating habits.
  • To investigate potential disruptions in appetite regulation and consumption patterns due to LCS use in developing individuals.

Main Methods:

  • Review of existing literature on human taste development and sweetener consumption.
  • Analysis of concerns regarding the dissociation of sweetness from energy.
  • Call for longitudinal cohort studies to track taste responses and dietary impact over time.

Main Results:

  • The role of sweetness in nutrition and feeding behavior is evolutionarily significant.
  • Concerns exist that LCS may alter the relationship between taste, appetite, and food intake in children.
  • Current evidence is insufficient to fully understand the long-term effects of LCS on children's diet quality.

Conclusions:

  • Further research, particularly longitudinal studies, is crucial.
  • Understanding the developmental trajectory of taste responses to LCS is needed.
  • The potential impact of LCS on children's diet quality requires clarification.