Visual Influences on Perception of Speech and Nonspeech Vocal-Tract Events
Identifieur interne : 000971 ( Ncbi/Merge ); précédent : 000970; suivant : 000972Visual Influences on Perception of Speech and Nonspeech Vocal-Tract Events
Auteurs : Lawrence Brancazio [États-Unis] ; Catherine T. Best [États-Unis] ; Carol A. Fowler [États-Unis]Source :
- Language and speech [ 0023-8309 ] ; 2006.
Abstract
We report four experiments designed to determine whether visual information affects judgments of acoustically-specified nonspeech events as well as speech events (the “McGurk effect”). Previous findings have shown only weak McGurk effects for nonspeech stimuli, whereas strong effects are found for consonants. We used click sounds that serve as consonants in some African languages, but that are perceived as nonspeech by American English listeners. We found a significant McGurk effect for clicks presented in isolation that was much smaller than that found for stop-consonant-vowel syllables. In subsequent experiments, we found strong McGurk effects, comparable to those found for English syllables, for click-vowel syllables, and weak effects, comparable to those found for isolated clicks, for excised release bursts of stop consonants presented in isolation. We interpret these findings as evidence that the potential contributions of speech-specific processes on the McGurk effect are limited, and discuss the results in relation to current explanations for the McGurk effect.
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PubMed: 16922061
PubMed Central: 2773261
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Best</name><affiliation wicri:level="2"><nlm:aff id="A2"> MARCS Auditory Laboratories, University of Western Sydney, Penrith NSW, Australia and Haskins Laboratories, New Haven, CT</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Connecticut</region></placeName><wicri:cityArea> MARCS Auditory Laboratories, University of Western Sydney, Penrith NSW, Australia and Haskins Laboratories, New Haven</wicri:cityArea></affiliation></author><author><name sortKey="Fowler, Carol A" sort="Fowler, Carol A" uniqKey="Fowler C" first="Carol A." last="Fowler">Carol A. Fowler</name><affiliation wicri:level="2"><nlm:aff id="A3"> University of Connecticut, Storrs, CT, Haskins Laboratories, New Haven, CT, and Yale University, New Haven, CT</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Connecticut</region></placeName><wicri:cityArea> University of Connecticut, Storrs, CT, Haskins Laboratories, New Haven, CT, and Yale University, New Haven</wicri:cityArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">16922061</idno><idno type="pmc">2773261</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2773261</idno><idno type="RBID">PMC:2773261</idno><date when="2006">2006</date><idno type="wicri:Area/Pmc/Corpus">000F65</idno><idno type="wicri:Area/Pmc/Curation">000F65</idno><idno type="wicri:Area/Pmc/Checkpoint">002499</idno><idno type="wicri:Area/Ncbi/Merge">000971</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Visual Influences on Perception of Speech and Nonspeech Vocal-Tract Events</title><author><name sortKey="Brancazio, Lawrence" sort="Brancazio, Lawrence" uniqKey="Brancazio L" first="Lawrence" last="Brancazio">Lawrence Brancazio</name><affiliation wicri:level="2"><nlm:aff id="A1"> Southern Connecticut State University, New Haven, CT and Haskins Laboratories, New Haven, CT</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Connecticut</region></placeName><wicri:cityArea> Southern Connecticut State University, New Haven, CT and Haskins Laboratories, New Haven</wicri:cityArea></affiliation></author><author><name sortKey="Best, Catherine T" sort="Best, Catherine T" uniqKey="Best C" first="Catherine T." last="Best">Catherine T. Best</name><affiliation wicri:level="2"><nlm:aff id="A2"> MARCS Auditory Laboratories, University of Western Sydney, Penrith NSW, Australia and Haskins Laboratories, New Haven, CT</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Connecticut</region></placeName><wicri:cityArea> MARCS Auditory Laboratories, University of Western Sydney, Penrith NSW, Australia and Haskins Laboratories, New Haven</wicri:cityArea></affiliation></author><author><name sortKey="Fowler, Carol A" sort="Fowler, Carol A" uniqKey="Fowler C" first="Carol A." last="Fowler">Carol A. Fowler</name><affiliation wicri:level="2"><nlm:aff id="A3"> University of Connecticut, Storrs, CT, Haskins Laboratories, New Haven, CT, and Yale University, New Haven, CT</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Connecticut</region></placeName><wicri:cityArea> University of Connecticut, Storrs, CT, Haskins Laboratories, New Haven, CT, and Yale University, New Haven</wicri:cityArea></affiliation></author></analytic><series><title level="j">Language and speech</title><idno type="ISSN">0023-8309</idno><imprint><date when="2006">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P1">We report four experiments designed to determine whether visual information affects judgments of acoustically-specified nonspeech events as well as speech events (the “McGurk effect”). Previous findings have shown only weak McGurk effects for nonspeech stimuli, whereas strong effects are found for consonants. We used click sounds that serve as consonants in some African languages, but that are perceived as nonspeech by American English listeners. We found a significant McGurk effect for clicks presented in isolation that was much smaller than that found for stop-consonant-vowel syllables. In subsequent experiments, we found strong McGurk effects, comparable to those found for English syllables, for click-vowel syllables, and weak effects, comparable to those found for isolated clicks, for excised release bursts of stop consonants presented in isolation. We interpret these findings as evidence that the potential contributions of speech-specific processes on the McGurk effect are limited, and discuss the results in relation to current explanations for the McGurk effect.</p></div></front></TEI><pmc article-type="research-article" xml:lang="EN"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
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<front><journal-meta><journal-id journal-id-type="nlm-journal-id">2985214R</journal-id><journal-id journal-id-type="pubmed-jr-id">5472</journal-id><journal-id journal-id-type="nlm-ta">Lang Speech</journal-id><journal-title>Language and speech</journal-title><issn pub-type="ppub">0023-8309</issn></journal-meta><article-meta><article-id pub-id-type="pmid">16922061</article-id><article-id pub-id-type="pmc">2773261</article-id><article-id pub-id-type="manuscript">NIHMS154562</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title-group><article-title>Visual Influences on Perception of Speech and Nonspeech Vocal-Tract Events</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Brancazio</surname><given-names>Lawrence</given-names></name><xref rid="A1" ref-type="aff">1</xref></contrib><contrib contrib-type="author"><name><surname>Best</surname><given-names>Catherine T.</given-names></name><xref rid="A2" ref-type="aff">2</xref></contrib><contrib contrib-type="author"><name><surname>Fowler</surname><given-names>Carol A.</given-names></name><xref rid="A3" ref-type="aff">3</xref></contrib></contrib-group><aff id="A1"><label>1</label> Southern Connecticut State University, New Haven, CT and Haskins Laboratories, New Haven, CT</aff><aff id="A2"><label>2</label> MARCS Auditory Laboratories, University of Western Sydney, Penrith NSW, Australia and Haskins Laboratories, New Haven, CT</aff><aff id="A3"><label>3</label> University of Connecticut, Storrs, CT, Haskins Laboratories, New Haven, CT, and Yale University, New Haven, CT</aff><author-notes><corresp id="FN1">Address for correspondence: L. Brancazio, Department of Psychology, 501 Crescent St., Southern Connecticut State University, New Haven, CT 06515; < <email>brancazioL1@southernct.edu</email>></corresp></author-notes><pub-date pub-type="nihms-submitted"><day>27</day><month>10</month><year>2009</year></pub-date><pub-date pub-type="ppub"><year>2006</year></pub-date><pub-date pub-type="pmc-release"><day>4</day><month>11</month><year>2009</year></pub-date><volume>49</volume><issue>Pt 1</issue><fpage>21</fpage><lpage>53</lpage><abstract><p id="P1">We report four experiments designed to determine whether visual information affects judgments of acoustically-specified nonspeech events as well as speech events (the “McGurk effect”). Previous findings have shown only weak McGurk effects for nonspeech stimuli, whereas strong effects are found for consonants. We used click sounds that serve as consonants in some African languages, but that are perceived as nonspeech by American English listeners. We found a significant McGurk effect for clicks presented in isolation that was much smaller than that found for stop-consonant-vowel syllables. In subsequent experiments, we found strong McGurk effects, comparable to those found for English syllables, for click-vowel syllables, and weak effects, comparable to those found for isolated clicks, for excised release bursts of stop consonants presented in isolation. We interpret these findings as evidence that the potential contributions of speech-specific processes on the McGurk effect are limited, and discuss the results in relation to current explanations for the McGurk effect.</p></abstract><kwd-group><kwd>audiovisual speech perception</kwd><kwd>clicks</kwd><kwd>McGurk effect</kwd><kwd>nonspeech</kwd></kwd-group><contract-num rid="DC1">R01 DC000403-10
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