Differential neural contributions to native- and foreign-language talker identification
Identifieur interne : 000477 ( Main/Exploration ); précédent : 000476; suivant : 000478Differential neural contributions to native- and foreign-language talker identification
Auteurs : Tyler K. Perrachione [États-Unis] ; Janet B. Pierrehumbert [États-Unis] ; Patrick C. M. Wong [États-Unis]Source :
- Journal of experimental psychology. Human perception and performance [ 0096-1523 ] ; 2009.
Abstract
Humans are remarkably adept at identifying individuals by the sound of their voice, a behavior supported by the nervous system’s ability to integrate information from voice and speech perception. Talker-identification abilities are significantly impaired when listeners are unfamiliar with the language being spoken. Recent behavioral studies describing the language-familiarity effect implicate functionally integrated neural systems for speech and voice perception, yet specific neuroscientific evidence demonstrating the basis for such integration has not yet been shown. Listeners in the present study learned to identify voices speaking a familiar (native) or unfamiliar (foreign) language. The talker-identification performance of neural circuitry in each cerebral hemisphere was assessed using dichotic listening. To determine the relative contribution of circuitry in each hemisphere to ecological (binaural) talker identification abilities, we compared the predictive capacity of dichotic performance on binaural performance across languages. We found listeners’ right-ear (left hemisphere) performance to be a better predictor of overall accuracy in their native language than a foreign one. The enhanced predictive capacity of the classically language-dominant left-hemisphere on overall talker-identification accuracy demonstrates functionally integrated neural systems for speech and voice perception during natural talker identification.
Url:
DOI: 10.1037/a0015869
PubMed: 19968445
PubMed Central: 2792570
Affiliations:
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Human perception and performance</title><idno type="ISSN">0096-1523</idno><idno type="eISSN">1939-1277</idno><imprint><date when="2009">2009</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P2">Humans are remarkably adept at identifying individuals by the sound of their voice, a behavior supported by the nervous system’s ability to integrate information from voice and speech perception. Talker-identification abilities are significantly impaired when listeners are unfamiliar with the language being spoken. Recent behavioral studies describing the language-familiarity effect implicate functionally integrated neural systems for speech and voice perception, yet specific neuroscientific evidence demonstrating the basis for such integration has not yet been shown. Listeners in the present study learned to identify voices speaking a familiar (native) or unfamiliar (foreign) language. The talker-identification performance of neural circuitry in each cerebral hemisphere was assessed using dichotic listening. To determine the relative contribution of circuitry in each hemisphere to ecological (binaural) talker identification abilities, we compared the predictive capacity of dichotic performance on binaural performance across languages. We found listeners’ right-ear (left hemisphere) performance to be a better predictor of overall accuracy in their native language than a foreign one. The enhanced predictive capacity of the classically language-dominant left-hemisphere on overall talker-identification accuracy demonstrates functionally integrated neural systems for speech and voice perception during natural talker identification.</p></div></front></TEI><affiliations><list><country><li>États-Unis</li></country></list><tree><country name="États-Unis"><noRegion><name sortKey="Perrachione, Tyler K" sort="Perrachione, Tyler K" uniqKey="Perrachione T" first="Tyler K." last="Perrachione">Tyler K. Perrachione</name></noRegion><name sortKey="Perrachione, Tyler K" sort="Perrachione, Tyler K" uniqKey="Perrachione T" first="Tyler K." last="Perrachione">Tyler K. Perrachione</name><name sortKey="Pierrehumbert, Janet B" sort="Pierrehumbert, Janet B" uniqKey="Pierrehumbert J" first="Janet B." last="Pierrehumbert">Janet B. Pierrehumbert</name><name sortKey="Pierrehumbert, Janet B" sort="Pierrehumbert, Janet B" uniqKey="Pierrehumbert J" first="Janet B." last="Pierrehumbert">Janet B. Pierrehumbert</name><name sortKey="Wong, Patrick C M" sort="Wong, Patrick C M" uniqKey="Wong P" first="Patrick C. M." last="Wong">Patrick C. M. Wong</name><name sortKey="Wong, Patrick C M" sort="Wong, Patrick C M" uniqKey="Wong P" first="Patrick C. M." last="Wong">Patrick C. M. Wong</name><name sortKey="Wong, Patrick C M" sort="Wong, Patrick C M" uniqKey="Wong P" first="Patrick C. M." last="Wong">Patrick C. M. Wong</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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