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Related Concept Videos

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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A new gustometer for taste testing in rodents.

Alan C Spector1, Ginger D Blonde2, Ross P Henderson2

  • 1Department of Psychology and Program in Neuroscience, Florida State University, Tallahassee, FL 32306-4301, USA and spector@psy.fsu.edu.

Chemical Senses
|January 25, 2015
PubMed
Summary

Researchers developed a new gustometer for precise taste studies in rodents. This improved device accurately measures licking behavior without electrical interference, enhancing taste function research.

Keywords:
gustatory systemlickingoperant respondingpsychophysicsrodentstaste testing

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Area of Science:

  • Neuroscience
  • Animal Behavior
  • Sensory Science

Background:

  • Traditional intake tests for rodent taste function have interpretive limitations.
  • Gustometers offer improved control over stimulus delivery and response measurement.
  • Existing gustometers may have limitations in stimulus delivery, cleaning, or electrical interference.

Purpose of the Study:

  • To describe a novel gustometer design for rodent taste research.
  • To overcome limitations of previous gustometer designs.
  • To provide detailed information for fabricating a customized gustometer.

Main Methods:

  • Design and implementation of a new computer-controlled gustometer.
  • Incorporation of features such as zero dead space in delivery lines.
  • Inclusion of effective licking substrate cleaning and non-electrical licking measurement.
  • Utilized in behavioral experiments for taste function assessment.

Main Results:

  • The new gustometer successfully measured licking behavior in rodents.
  • The design eliminates dead space, ensuring accurate stimulus delivery.
  • Effective cleaning mechanisms were integrated.
  • Licking was measured without electrical current passing through the animal.

Conclusions:

  • The described gustometer design enhances the reliability of taste function assessment in rodents.
  • The device offers improved control and accuracy compared to older models.
  • Detailed schematics and design considerations facilitate custom fabrication for specific research needs.