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Related Concept Videos

Taste Buds and Receptors01:20

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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 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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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).
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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 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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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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Taste perception analysis using a semantic verbal fluency task.

Maria Ghemulet1, Maria Baskini2, Lambros Messinis3

  • 1Department of Speech Therapy, Anagennisis (Revival) Physical Recovery and Rehabilitation Centre, Nea Raidestos, Filothei, Thessaloniki, Greece ; Department of Speech and Language Therapy, Technological Institute of Western Greece, Patra, Greece.

Psychology Research and Behavior Management
|October 7, 2014
PubMed
Summary
This summary is machine-generated.

This study explored how taste perception and preferences relate to verbal fluency (VF) tasks in healthy and dysphagic individuals. Findings suggest taste preferences align with VF responses, with bitter tastes yielding more errors.

Keywords:
body measure indexdysphagiataste perceptiontaste preferencesverbal fluency task

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Sensory Science

Background:

  • Verbal fluency (VF) tasks assess cognitive perception.
  • Taste perception and preferences are crucial sensory experiences.
  • Understanding the interplay between cognition and sensory processing is vital for clinical applications.

Purpose of the Study:

  • To investigate the relationship between basic taste perception (sweet, salty, sour, bitter) and taste preferences using VF tasks.
  • To compare VF task performance in healthy individuals and those with dysphagia.
  • To examine correlations between VF task results and body mass index (BMI).

Main Methods:

  • Verbal fluency tasks were administered to 60 Greek-speaking participants (43 healthy, 17 dysphagic).
  • Analysis included response counts, clusters, switches, errors, and VF consistency with taste preferences.
  • Statistical analyses comprised ANOVA, post hoc tests, and chi-square tests.

Main Results:

  • Healthy subjects showed significant differences in mean responses across the four taste categories.
  • No significant differences in mean responses were found between healthy and dysphagic groups.
  • Response order for both groups: sweet, salty, sour, bitter; bitter category had most errors.
  • Obese subjects had more responses in sweet, sour, and bitter categories; underweight subjects in salty (non-significant).

Conclusions:

  • Taste preferences generally align with verbal fluency task responses.
  • Dysphagia did not significantly impact verbal fluency in basic taste perception tasks.
  • The relationship between verbal fluency, taste perception, and BMI offers insights for clinical practice.