Preprint Open Access

A new gustometer: Template for the construction of a portable and modular stimulator for taste and lingual touch.

Andersen, Camilla Arndal; Alfine, Lorenzo; Ohla, Kathrin; Höchenberger, Richard


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  <identifier identifierType="DOI">10.5281/zenodo.1456663</identifier>
  <creators>
    <creator>
      <creatorName>Andersen, Camilla Arndal</creatorName>
      <givenName>Camilla Arndal</givenName>
      <familyName>Andersen</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-7655-3715</nameIdentifier>
      <affiliation>DuPont Nutrition &amp; Health, Brabrand, Denmark; Aarhus University, Aarhus, Denmark</affiliation>
    </creator>
    <creator>
      <creatorName>Alfine, Lorenzo</creatorName>
      <givenName>Lorenzo</givenName>
      <familyName>Alfine</familyName>
      <affiliation>German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany</affiliation>
    </creator>
    <creator>
      <creatorName>Ohla, Kathrin</creatorName>
      <givenName>Kathrin</givenName>
      <familyName>Ohla</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-7265-0449</nameIdentifier>
      <affiliation>German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany; Institute of Neuroscience and Medicine (INM-3), Research Center Jülich, Jülich, Germany</affiliation>
    </creator>
    <creator>
      <creatorName>Höchenberger, Richard</creatorName>
      <givenName>Richard</givenName>
      <familyName>Höchenberger</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-0380-4798</nameIdentifier>
      <affiliation>German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany; Institute of Neuroscience and Medicine (INM-3), Research Center Jülich, Jülich, Germany</affiliation>
    </creator>
  </creators>
  <titles>
    <title>A new gustometer: Template for the construction of a portable and modular stimulator for taste and lingual touch.</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2018</publicationYear>
  <subjects>
    <subject>gustometer</subject>
    <subject>taste stimulator</subject>
    <subject>taste</subject>
    <subject>stimulator</subject>
    <subject>gustation</subject>
    <subject>flavor</subject>
    <subject>touch</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2018-10-11</date>
  </dates>
  <language>en</language>
  <resourceType resourceTypeGeneral="Text">Preprint</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/1456663</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.5281/zenodo.1313034</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by-nc/4.0/legalcode">Creative Commons Attribution Non Commercial 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;Taste research has been hampered by technical difficulties, mostly because liquid taste stimuli are difficult to control in terms of timing and application area. Exact stimulus control requires a gustometer; yet, existing devices are either not well-documented or rather inflexible. We designed a gustometer based on a computer-controlled, modular pump system, which can be extended through additional hardware modules, e.g. for heating of the stimuli or sending and receiving triggers. All components are available for purchase &amp;ldquo;off-the-shelf&amp;rdquo;. The pumps deliver liquids through plastic tubing and can be connected to commercially available or custom-made mouthpieces. We determined the temporal precision of the device. Onset delay showed minuscule variation within pumps (SD &amp;lt; 3 ms) and small differences between pumps (&amp;lt; 4.5 ms). Rise time was less than 2 ms (SD &amp;lt; 2 ms). Dosage volume bias was only 2%. To test whether the hemitongues could be stimulated independently, we conducted a behavioral experiment. 18 participants received tasteless stimuli to the left, right, or both sides of the tongue. The side of stimulation was correctly identified in 91% of the trials, indicating that the setup is suitable for lateralized stimulation. EEG responses to water and salty stimuli were recorded from two participants; the stimulation successfully evoked event-related responses, demonstrating the suitability of the device for use in electrophysiological investigations. We provide a Python-based open-source software package and a web interface to easily operate the system. We thereby hope to facilitate access to state-of-the-art taste research methods and to increase reproducibility across laboratories.&lt;/p&gt;</description>
  </descriptions>
</resource>
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