Subcortical encoding of sound is enhanced in bilinguals and relates to executive function advantages
Identifieur interne : 000D35 ( Pmc/Curation ); précédent : 000D34; suivant : 000D36Subcortical encoding of sound is enhanced in bilinguals and relates to executive function advantages
Auteurs : Jennifer Krizman ; Viorica Marian ; Anthony Shook ; Erika Skoe ; Nina KrausSource :
- Proceedings of the National Academy of Sciences of the United States of America [ 0027-8424 ] ; 2012.
Abstract
Bilingualism profoundly affects the brain, yielding functional and structural changes in cortical regions dedicated to language processing and executive function [Crinion J, et al. (2006)
Url:
DOI: 10.1073/pnas.1201575109
PubMed: 22547804
PubMed Central: 3356657
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Jennifer Krizman<affiliation><nlm:aff id="aff1">Auditory Neuroscience Laboratory, Department of Communication Sciences;</nlm:aff><wicri:noCountry code="subfield">Department of Communication Sciences</wicri:noCountry></affiliation><affiliation><nlm:aff id="aff2">Bilingualism and Psycholinguistics Laboratory, Department of Communication Sciences;</nlm:aff><wicri:noCountry code="subfield">Department of Communication Sciences</wicri:noCountry></affiliation><affiliation><nlm:aff id="aff3"><institution>Northwestern University</institution>, Evanston,<addr-line>IL</addr-line> 60208</nlm:aff></affiliation><affiliation><nlm:aff id="aff2">Bilingualism and Psycholinguistics Laboratory, Department of Communication Sciences;</nlm:aff><wicri:noCountry code="subfield">Department of Communication Sciences</wicri:noCountry></affiliation><affiliation><nlm:aff id="aff3"><institution>Northwestern University</institution>, Evanston,<addr-line>IL</addr-line> 60208</nlm:aff></affiliation><affiliation><nlm:aff id="aff2">Bilingualism and Psycholinguistics Laboratory, Department of Communication Sciences;</nlm:aff><wicri:noCountry code="subfield">Department of Communication Sciences</wicri:noCountry></affiliation><affiliation><nlm:aff id="aff3"><institution>Northwestern University</institution>, Evanston,<addr-line>IL</addr-line> 60208</nlm:aff></affiliation><affiliation><nlm:aff id="aff2">Bilingualism and Psycholinguistics Laboratory, Department of Communication Sciences;</nlm:aff><wicri:noCountry code="subfield">Department of Communication Sciences</wicri:noCountry></affiliation><affiliation><nlm:aff id="aff3"><institution>Northwestern University</institution>, Evanston,<addr-line>IL</addr-line> 60208</nlm:aff></affiliation><affiliation><nlm:aff id="aff1">Auditory Neuroscience Laboratory, Department of Communication Sciences;</nlm:aff><wicri:noCountry code="subfield">Department of Communication Sciences</wicri:noCountry></affiliation><affiliation><nlm:aff id="aff3"><institution>Northwestern University</institution>, Evanston,<addr-line>IL</addr-line> 60208</nlm:aff></affiliation><affiliation><nlm:aff id="aff1">Auditory Neuroscience Laboratory, Department of Communication Sciences;</nlm:aff><wicri:noCountry code="subfield">Department of Communication Sciences</wicri:noCountry></affiliation><affiliation><nlm:aff id="aff3"><institution>Northwestern University</institution>, Evanston,<addr-line>IL</addr-line> 60208</nlm:aff></affiliation><affiliation><nlm:aff id="aff4"></nlm:aff></affiliation><affiliation><nlm:aff wicri:cut="; and" id="aff5">Otolaryngology</nlm:aff></affiliation><affiliation><nlm:aff id="aff6">Northwestern University Institute of Neuroscience,</nlm:aff></affiliation>Le document en format XML
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and" id="aff5">Otolaryngology</nlm:aff></affiliation><affiliation><nlm:aff id="aff6">Northwestern University Institute of Neuroscience,</nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">22547804</idno><idno type="pmc">3356657</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3356657</idno><idno type="RBID">PMC:3356657</idno><idno type="doi">10.1073/pnas.1201575109</idno><date when="2012">2012</date><idno type="wicri:Area/Pmc/Corpus">000D35</idno><idno type="wicri:Area/Pmc/Curation">000D35</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Subcortical encoding of sound is enhanced in bilinguals and relates to executive function advantages</title><author><name sortKey="Krizman, Jennifer" sort="Krizman, Jennifer" uniqKey="Krizman J" first="Jennifer" last="Krizman">Jennifer Krizman</name><affiliation><nlm:aff id="aff1">Auditory Neuroscience Laboratory, Department of Communication Sciences;</nlm:aff><wicri:noCountry code="subfield">Department of Communication Sciences</wicri:noCountry></affiliation><affiliation><nlm:aff id="aff2">Bilingualism and Psycholinguistics Laboratory, Department of Communication Sciences;</nlm:aff><wicri:noCountry code="subfield">Department of Communication Sciences</wicri:noCountry></affiliation><affiliation><nlm:aff id="aff3"><institution>Northwestern University</institution>, Evanston,<addr-line>IL</addr-line> 60208</nlm:aff></affiliation></author><author><name sortKey="Marian, Viorica" sort="Marian, Viorica" uniqKey="Marian V" first="Viorica" last="Marian">Viorica Marian</name><affiliation><nlm:aff id="aff2">Bilingualism and Psycholinguistics Laboratory, Department of Communication Sciences;</nlm:aff><wicri:noCountry code="subfield">Department of Communication Sciences</wicri:noCountry></affiliation><affiliation><nlm:aff id="aff3"><institution>Northwestern University</institution>, Evanston,<addr-line>IL</addr-line> 60208</nlm:aff></affiliation></author><author><name sortKey="Shook, Anthony" sort="Shook, Anthony" uniqKey="Shook A" first="Anthony" last="Shook">Anthony Shook</name><affiliation><nlm:aff id="aff2">Bilingualism and Psycholinguistics Laboratory, Department of Communication Sciences;</nlm:aff><wicri:noCountry code="subfield">Department of Communication Sciences</wicri:noCountry></affiliation><affiliation><nlm:aff id="aff3"><institution>Northwestern University</institution>, Evanston,<addr-line>IL</addr-line> 60208</nlm:aff></affiliation></author><author><name sortKey="Skoe, Erika" sort="Skoe, Erika" uniqKey="Skoe E" first="Erika" last="Skoe">Erika Skoe</name><affiliation><nlm:aff id="aff1">Auditory Neuroscience Laboratory, Department of Communication Sciences;</nlm:aff><wicri:noCountry code="subfield">Department of Communication Sciences</wicri:noCountry></affiliation><affiliation><nlm:aff id="aff3"><institution>Northwestern University</institution>, Evanston,<addr-line>IL</addr-line> 60208</nlm:aff></affiliation></author><author><name sortKey="Kraus, Nina" sort="Kraus, Nina" uniqKey="Kraus N" first="Nina" last="Kraus">Nina Kraus</name><affiliation><nlm:aff id="aff1">Auditory Neuroscience Laboratory, Department of Communication Sciences;</nlm:aff><wicri:noCountry code="subfield">Department of Communication Sciences</wicri:noCountry></affiliation><affiliation><nlm:aff id="aff3"><institution>Northwestern University</institution>, Evanston,<addr-line>IL</addr-line> 60208</nlm:aff></affiliation><affiliation><nlm:aff id="aff4"></nlm:aff></affiliation><affiliation><nlm:aff wicri:cut="; and" id="aff5">Otolaryngology</nlm:aff></affiliation><affiliation><nlm:aff id="aff6">Northwestern University Institute of Neuroscience,</nlm:aff></affiliation></author></analytic><series><title level="j">Proceedings of the National Academy of Sciences of the United States of America</title><idno type="ISSN">0027-8424</idno><idno type="e-ISSN">1091-6490</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Bilingualism profoundly affects the brain, yielding functional and structural changes in cortical regions dedicated to language processing and executive function [Crinion J, et al. (2006) <italic>Science</italic> 312:1537–1540; Kim KHS, et al. (1997) <italic>Nature</italic> 388:171–174]. Comparatively, musical training, another type of sensory enrichment, translates to expertise in cognitive processing and refined biological processing of sound in both cortical and subcortical structures. Therefore, we asked whether bilingualism can also promote experience-dependent plasticity in subcortical auditory processing. We found that adolescent bilinguals, listening to the speech syllable [da], encoded the stimulus more robustly than age-matched monolinguals. Specifically, bilinguals showed enhanced encoding of the fundamental frequency, a feature known to underlie pitch perception and grouping of auditory objects. This enhancement was associated with executive function advantages. Thus, through experience-related tuning of attention, the bilingual auditory system becomes highly efficient in automatically processing sound. This study provides biological evidence for system-wide neural plasticity in auditory experts that facilitates a tight coupling of sensory and cognitive functions.</p></div></front></TEI><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>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Proc Natl Acad Sci U S A</journal-id><journal-id journal-id-type="iso-abbrev">Proc. Natl. Acad. Sci. U.S.A</journal-id><journal-id journal-id-type="hwp">pnas</journal-id><journal-id journal-id-type="pmc">pnas</journal-id><journal-id journal-id-type="publisher-id">PNAS</journal-id><journal-title-group><journal-title>Proceedings of the National Academy of Sciences of the United States of America</journal-title></journal-title-group><issn pub-type="ppub">0027-8424</issn><issn pub-type="epub">1091-6490</issn><publisher><publisher-name>National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">22547804</article-id><article-id pub-id-type="pmc">3356657</article-id><article-id pub-id-type="publisher-id">201201575</article-id><article-id pub-id-type="doi">10.1073/pnas.1201575109</article-id><article-categories><subj-group subj-group-type="heading"><subject>Biological Sciences</subject><subj-group><subject>Neuroscience</subject></subj-group></subj-group><subj-group subj-group-type="heading"><subject>Social Sciences</subject><subj-group><subject>Psychological and Cognitive Sciences</subject></subj-group></subj-group><series-title>From the Cover</series-title></article-categories><title-group><article-title>Subcortical encoding of sound is enhanced in bilinguals and relates to executive function advantages</article-title><alt-title alt-title-type="short">Subcortical indices of bilingual experience</alt-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Krizman</surname><given-names>Jennifer</given-names></name><xref ref-type="aff" rid="aff1"><sup>a</sup></xref><xref ref-type="aff" rid="aff2"><sup>b</sup></xref><xref ref-type="aff" rid="aff3"><sup>c</sup></xref></contrib><contrib contrib-type="author"><name><surname>Marian</surname><given-names>Viorica</given-names></name><xref ref-type="aff" rid="aff2"><sup>b</sup></xref><xref ref-type="aff" rid="aff3"><sup>c</sup></xref></contrib><contrib contrib-type="author"><name><surname>Shook</surname><given-names>Anthony</given-names></name><xref ref-type="aff" rid="aff2"><sup>b</sup></xref><xref ref-type="aff" rid="aff3"><sup>c</sup></xref></contrib><contrib contrib-type="author"><name><surname>Skoe</surname><given-names>Erika</given-names></name><xref ref-type="aff" rid="aff1"><sup>a</sup></xref><xref ref-type="aff" rid="aff3"><sup>c</sup></xref></contrib><contrib contrib-type="author"><name><surname>Kraus</surname><given-names>Nina</given-names></name><xref ref-type="aff" rid="aff1"><sup>a</sup></xref><xref ref-type="aff" rid="aff3"><sup>c</sup></xref><xref ref-type="aff" rid="aff4"><sup>d</sup></xref><xref ref-type="aff" rid="aff5"><sup>e</sup></xref><xref ref-type="aff" rid="aff6"><sup>f</sup></xref><xref ref-type="corresp" rid="cor1"><sup>1</sup></xref></contrib><aff id="aff1"><sup>a</sup>Auditory Neuroscience Laboratory, Department of Communication Sciences;</aff><aff id="aff2"><sup>b</sup>Bilingualism and Psycholinguistics Laboratory, Department of Communication Sciences;</aff><aff id="aff4">Departments of<sup>d</sup>Neurobiology and Physiology and</aff><aff id="aff5"><sup>e</sup>Otolaryngology; and</aff><aff id="aff6"><sup>f</sup>Northwestern University Institute of Neuroscience,</aff><aff id="aff3"><sup>c</sup><institution>Northwestern University</institution>, Evanston,<addr-line>IL</addr-line> 60208</aff></contrib-group><author-notes><corresp id="cor1"><sup>1</sup>To whom correspondence should be addressed. E-mail: <email>nkraus@northwestern.edu</email>.</corresp><fn fn-type="edited-by"><p>Edited by Michael Merzenich, W. M. Keck Center for Integrative Neuroscience, San Francisco, CA, and approved March 28, 2012 (received for review February 6, 2012)</p></fn><fn fn-type="con"><p>Author contributions: J.K., E.S., and N.K. designed research; J.K. performed research; J.K. and A.S. analyzed data; and J.K., V.M., A.S., E.S., and N.K. wrote the paper.</p></fn></author-notes><pub-date pub-type="ppub"><day>15</day><month>5</month><year>2012</year></pub-date><pub-date pub-type="epub"><day>30</day><month>4</month><year>2012</year></pub-date><volume>109</volume><issue>20</issue><fpage>7877</fpage><lpage>7881</lpage><self-uri xlink:title="pdf" xlink:type="simple" xlink:href="pnas.201201575.pdf"></self-uri><abstract><p>Bilingualism profoundly affects the brain, yielding functional and structural changes in cortical regions dedicated to language processing and executive function [Crinion J, et al. (2006) <italic>Science</italic> 312:1537–1540; Kim KHS, et al. (1997) <italic>Nature</italic> 388:171–174]. Comparatively, musical training, another type of sensory enrichment, translates to expertise in cognitive processing and refined biological processing of sound in both cortical and subcortical structures. Therefore, we asked whether bilingualism can also promote experience-dependent plasticity in subcortical auditory processing. We found that adolescent bilinguals, listening to the speech syllable [da], encoded the stimulus more robustly than age-matched monolinguals. Specifically, bilinguals showed enhanced encoding of the fundamental frequency, a feature known to underlie pitch perception and grouping of auditory objects. This enhancement was associated with executive function advantages. Thus, through experience-related tuning of attention, the bilingual auditory system becomes highly efficient in automatically processing sound. This study provides biological evidence for system-wide neural plasticity in auditory experts that facilitates a tight coupling of sensory and cognitive functions.</p></abstract><kwd-group><kwd>brainstem</kwd><kwd>electrophysiology</kwd><kwd>multilingualism</kwd></kwd-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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