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Learning to Associate Auditory and Visual Stimuli: Behavioral and Neural Mechanisms

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Learning to Associate Auditory and Visual Stimuli: Behavioral and Neural Mechanisms

Auteurs : Nicholas Altieri ; Ryan Stevenson ; Mark T. Wallace ; Michael J. Wenger

Source :

Brain topography [ 0896-0267 ] ; 2013.

RBID : PMC:4043950

Abstract

The ability to effectively combine sensory inputs across modalities is vital for acquiring a unified percept of events. For example, watching a hammer hit a nail while simultaneously identifying the sound as originating from the event requires the ability to identify spatio-temporal congruencies and statistical regularities. In this study, we applied a reaction time (RT) and hazard function measure known as capacity (e.g., Townsend and Ashby, 1978) to quantify the extent to which observers learn paired associations between simple auditory and visual patterns in a model theoretic manner. As expected, results showed that learning was associated with an increase in accuracy, but more significantly, an increase in capacity. The aim of this study was to associate capacity measures of multisensory learning, with neural based measures, namely mean Global Field Power (GFP). We observed a co-variation between an increase in capacity, and a decrease in GFP amplitude as learning occurred. This suggests that capacity constitutes a reliable behavioral index of efficient energy expenditure in the neural domain.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4043950

DOI: 10.1007/s10548-013-0333-7
PubMed: 24276220
PubMed Central: 4043950

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PMC:4043950

Le document en format XML

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<author><name sortKey="Altieri, Nicholas" sort="Altieri, Nicholas" uniqKey="Altieri N" first="Nicholas" last="Altieri">Nicholas Altieri</name>
<affiliation><nlm:aff id="A1">Department of Communication Sciences and Disorders, Idaho State University</nlm:aff>
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<author><name sortKey="Stevenson, Ryan" sort="Stevenson, Ryan" uniqKey="Stevenson R" first="Ryan" last="Stevenson">Ryan Stevenson</name>
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<affiliation><nlm:aff id="A3">Vanderbilt Brain Institute</nlm:aff>
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<affiliation><nlm:aff id="A4">Vanderbilt University Kennedy Center</nlm:aff>
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<author><name sortKey="Wallace, Mark T" sort="Wallace, Mark T" uniqKey="Wallace M" first="Mark T." last="Wallace">Mark T. Wallace</name>
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<affiliation><nlm:aff id="A4">Vanderbilt University Kennedy Center</nlm:aff>
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<affiliation><nlm:aff id="A5">Department of Psychology, Vanderbilt University</nlm:aff>
<wicri:noCountry code="subfield">Vanderbilt University</wicri:noCountry>
</affiliation>
<affiliation><nlm:aff id="A6">Department of Psychiatry, Vanderbilt University Medical Center</nlm:aff>
<wicri:noCountry code="subfield">Vanderbilt University Medical Center</wicri:noCountry>
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<author><name sortKey="Wenger, Michael J" sort="Wenger, Michael J" uniqKey="Wenger M" first="Michael J." last="Wenger">Michael J. Wenger</name>
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<author><name sortKey="Wallace, Mark T" sort="Wallace, Mark T" uniqKey="Wallace M" first="Mark T." last="Wallace">Mark T. Wallace</name>
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<affiliation><nlm:aff id="A5">Department of Psychology, Vanderbilt University</nlm:aff>
<wicri:noCountry code="subfield">Vanderbilt University</wicri:noCountry>
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<affiliation><nlm:aff id="A6">Department of Psychiatry, Vanderbilt University Medical Center</nlm:aff>
<wicri:noCountry code="subfield">Vanderbilt University Medical Center</wicri:noCountry>
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<author><name sortKey="Wenger, Michael J" sort="Wenger, Michael J" uniqKey="Wenger M" first="Michael J." last="Wenger">Michael J. Wenger</name>
<affiliation><nlm:aff id="A7">Department of Psychology, The University of Oklahoma</nlm:aff>
<wicri:noCountry code="subfield">The University of Oklahoma</wicri:noCountry>
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<series><title level="j">Brain topography</title>
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<front><div type="abstract" xml:lang="en"><p id="P1">The ability to effectively combine sensory inputs across modalities is vital for acquiring a unified percept of events. For example, watching a hammer hit a nail while simultaneously identifying the sound as originating from the event requires the ability to identify spatio-temporal congruencies and statistical regularities. In this study, we applied a reaction time (RT) and hazard function measure known as <italic>capacity</italic>
 (e.g., <xref rid="R74" ref-type="bibr">Townsend and Ashby, 1978</xref>
) to quantify the extent to which observers learn paired associations between simple auditory and visual patterns in a model theoretic manner. As expected, results showed that learning was associated with an increase in accuracy, but more significantly, an increase in capacity. The aim of this study was to associate capacity measures of multisensory learning, with neural based measures, namely mean Global Field Power (GFP). We observed a co-variation between an increase in capacity, and a decrease in GFP amplitude as learning occurred. This suggests that capacity constitutes a reliable behavioral index of efficient energy expenditure in the neural domain.</p>
</div>
</front>
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<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
  <pmc-dir>properties manuscript</pmc-dir>
  <front><journal-meta><journal-id journal-id-type="nlm-journal-id">8903034</journal-id>
<journal-id journal-id-type="pubmed-jr-id">1738</journal-id>
<journal-id journal-id-type="nlm-ta">Brain Topogr</journal-id>
<journal-id journal-id-type="iso-abbrev">Brain Topogr</journal-id>
<journal-title-group><journal-title>Brain topography</journal-title>
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<issn pub-type="epub">1573-6792</issn>
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<article-id pub-id-type="manuscript">NIHMS544399</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Article</subject>
</subj-group>
</article-categories>
<title-group><article-title>Learning to Associate Auditory and Visual Stimuli: Behavioral and Neural Mechanisms</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Altieri</surname>
<given-names>Nicholas</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
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<contrib contrib-type="author"><name><surname>Stevenson</surname>
<given-names>Ryan</given-names>
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<xref ref-type="aff" rid="A2">2</xref>
<xref ref-type="aff" rid="A3">3</xref>
<xref ref-type="aff" rid="A4">4</xref>
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<contrib contrib-type="author"><name><surname>Wallace</surname>
<given-names>Mark T.</given-names>
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<xref ref-type="aff" rid="A2">2</xref>
<xref ref-type="aff" rid="A3">3</xref>
<xref ref-type="aff" rid="A4">4</xref>
<xref ref-type="aff" rid="A5">5</xref>
<xref ref-type="aff" rid="A6">6</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Wenger</surname>
<given-names>Michael J.</given-names>
</name>
<xref ref-type="aff" rid="A7">7</xref>
</contrib>
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<aff id="A1"><label>1</label>
Department of Communication Sciences and Disorders, Idaho State University</aff>
<aff id="A2"><label>2</label>
Department of Hearing and Speech Sciences, Vanderbilt University Medical Center</aff>
<aff id="A3"><label>3</label>
Vanderbilt Brain Institute</aff>
<aff id="A4"><label>4</label>
Vanderbilt University Kennedy Center</aff>
<aff id="A5"><label>5</label>
Department of Psychology, Vanderbilt University</aff>
<aff id="A6"><label>6</label>
Department of Psychiatry, Vanderbilt University Medical Center</aff>
<aff id="A7"><label>7</label>
Department of Psychology, The University of Oklahoma</aff>
<author-notes><corresp id="FN1">Idaho State University, 921 S. 8<sup>th</sup>
 Ave. Stop 8116, Pocatello, ID, 83209, Nicholas Altieri: <email>altinich@isu.edu</email>
</corresp>
</author-notes>
<pub-date pub-type="nihms-submitted"><day>21</day>
<month>5</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="epub"><day>26</day>
<month>11</month>
<year>2013</year>
</pub-date>
<pub-date pub-type="ppub"><month>5</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="pmc-release"><day>01</day>
<month>5</month>
<year>2016</year>
</pub-date>
<volume>28</volume>
<issue>3</issue>
<fpage>479</fpage>
<lpage>493</lpage>
<pmc-comment>elocation-id from pubmed: 10.1007/s10548-013-0333-7</pmc-comment>
      <abstract><p id="P1">The ability to effectively combine sensory inputs across modalities is vital for acquiring a unified percept of events. For example, watching a hammer hit a nail while simultaneously identifying the sound as originating from the event requires the ability to identify spatio-temporal congruencies and statistical regularities. In this study, we applied a reaction time (RT) and hazard function measure known as <italic>capacity</italic>
 (e.g., <xref rid="R74" ref-type="bibr">Townsend and Ashby, 1978</xref>
) to quantify the extent to which observers learn paired associations between simple auditory and visual patterns in a model theoretic manner. As expected, results showed that learning was associated with an increase in accuracy, but more significantly, an increase in capacity. The aim of this study was to associate capacity measures of multisensory learning, with neural based measures, namely mean Global Field Power (GFP). We observed a co-variation between an increase in capacity, and a decrease in GFP amplitude as learning occurred. This suggests that capacity constitutes a reliable behavioral index of efficient energy expenditure in the neural domain.</p>
</abstract>
</article-meta>
</front>
</pmc>
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<tree><noCountry><name sortKey="Altieri, Nicholas" sort="Altieri, Nicholas" uniqKey="Altieri N" first="Nicholas" last="Altieri">Nicholas Altieri</name>
<name sortKey="Stevenson, Ryan" sort="Stevenson, Ryan" uniqKey="Stevenson R" first="Ryan" last="Stevenson">Ryan Stevenson</name>
<name sortKey="Wallace, Mark T" sort="Wallace, Mark T" uniqKey="Wallace M" first="Mark T." last="Wallace">Mark T. Wallace</name>
<name sortKey="Wenger, Michael J" sort="Wenger, Michael J" uniqKey="Wenger M" first="Michael J." last="Wenger">Michael J. Wenger</name>
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Learning to Associate Auditory and Visual Stimuli: Behavioral and Neural Mechanisms

Learning to Associate Auditory and Visual Stimuli: Behavioral and Neural Mechanisms

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Abstract

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