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Related Concept Videos

Taste Buds and Receptors01:20

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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Conditioned Taste Aversion01:14

Conditioned Taste Aversion

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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...
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Gustation01:43

Gustation

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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.
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The Physiology of Taste01:24

The Physiology of Taste

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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...
4.0K
The Tongue and Taste Buds00:49

The Tongue and Taste Buds

36.9K
The surface of the tongue is covered with various small bumps called papillae, which either distribute what has been ingested (filiform papillae) or contain the sensory taste (or gustatory) receptor cells (fungiform, circumvallate, and foliate papillae). Embedded within each taste-related papilla are the taste buds—clusters of 30 to 100 gustatory receptor cells.
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Tactile and Chemical Senses01:27

Tactile and Chemical Senses

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Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.
324

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Related Experiment Video

Updated: Jul 19, 2025

Psychophysical Tracking Method to Assess Taste Detection Thresholds in Children, Adolescents, and Adults: The Taste Detection Threshold TDT Test
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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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Temporal patterns in taste sensitivity.

Andrew Costanzo1

  • 1CASS Food Research Centre, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Victoria, Australia.

Nutrition Reviews
|August 9, 2023
PubMed
Summary
This summary is machine-generated.

Taste sensitivity varies daily, monthly, and seasonally, influencing eating habits. Understanding these temporal taste patterns is crucial for personalized nutrition and identifying potential health markers.

Keywords:
circadiandiurnalgustationmenstrualseasonalsensitivitytaste

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Area of Science:

  • Sensory science
  • Nutritional science
  • Chronobiology

Background:

  • Individual taste sensitivity varies and impacts diet, eating behavior, and health.
  • Taste sensitivity fluctuates over daily, monthly (menstrual), and yearly (seasonal) cycles.
  • Understanding temporal taste patterns is key for personalized nutrition.

Purpose of the Study:

  • To review existing literature on taste sensitivity patterns across daily, monthly, and yearly timescales.
  • To highlight the importance of these temporal patterns for understanding eating habits and food preferences.
  • To identify gaps in current research, particularly concerning alimentary tastes.

Main Methods:

  • Literature review of studies investigating taste sensitivity across different temporal dimensions.
  • Analysis of diurnal, menstrual, and seasonal patterns in taste perception.
  • Examination of links between taste sensitivity variations and factors like obesity, insulin resistance, and hormonal changes.

Main Results:

  • Established diurnal patterns for sweet and fat taste (rodent studies for fat).
  • Obesity linked to limited diurnal variation in sweet/fat taste sensitivity and insulin resistance.
  • Mixed findings for sour/umami, no patterns for bitter taste; menstrual patterns in sweet taste align with food intake.
  • Weak evidence for seasonal changes in sweet, salty, bitter taste; potential links to mental health disorders.

Conclusions:

  • Taste sensitivity exhibits patterns across daily, monthly, and yearly cycles.
  • Further research is needed to clarify the influence of these patterns on food intake and their potential as disease markers.
  • Alimentary tastes (umami, fat, carbohydrate) are underrepresented and require more investigation.