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Related Concept Videos

The Tongue and Taste Buds00:49

The Tongue and Taste Buds

42.0K
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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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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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...
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Synesthesia01:27

Synesthesia

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Synesthesia is a remarkable condition where stimulation of one sensory or cognitive pathway leads to automatic, involuntary experiences in a second sensory or cognitive pathway. People with synesthesia experience a blending or crossing of their senses, such as sight and sound, leading to cross-modal sensations. In this condition, the stimulation of one sense, such as hearing a number or musical note, triggers an experience of another sense, like sensing a specific color, taste, or smell. People...
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Design Example01:23

Design Example

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The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
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Related Experiment Video

Updated: Mar 17, 2026

Taste Exam: A Brief and Validated Test
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Taste Exam: A Brief and Validated Test

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The Taste of Typeface.

Carlos Velasco1, Andy T Woods1, Sarah Hyndman2

  • 1Department of Experimental Psychology, University Oxford, UK.

I-Perception
|July 20, 2016
PubMed
Summary

Typefaces influence taste perception. Rounder fonts are linked to "sweet," while angular fonts match "sour," "salty," and "bitter" tastes, impacting crossmodal correspondences.

Area of Science:

  • Psychology
  • Cognitive Science
  • Sensory Perception

Background:

  • Typefaces convey meaning beyond literal text.
  • Crossmodal correspondences link different sensory experiences.

Purpose of the Study:

  • To investigate the relationship between typeface shape (roundness/angularity) and basic taste perception.
  • To explore how typeface aesthetics influence taste associations.

Main Methods:

  • Participants matched taste words (sweet, sour, salty, bitter) to typefaces of varying roundness and angularity.
  • Experiment 2 assessed typeface liking and readability based on shape.

Main Results:

  • Rounder typefaces were associated with "sweet."
  • Angular typefaces were matched with "sour," "salty," and "bitter."
Keywords:
affective correspondencescrossmodal correspondencesdesigntastetypeface

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Whole-Mount Staining, Visualization, and Analysis of Fungiform, Circumvallate, and Palate Taste Buds
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Whole-Mount Staining, Visualization, and Analysis of Fungiform, Circumvallate, and Palate Taste Buds

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Whole-Mount Staining, Visualization, and Analysis of Fungiform, Circumvallate, and Palate Taste Buds
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  • Rounder typefaces were preferred and rated as more readable.

    • Conclusions:

    • Typeface roundness/angularity influences taste perception through ease of processing and aesthetic liking.
    • Affective crossmodal correspondences explain the link between typeface shape and taste qualities.