Musicians' Enhanced Neural Differentiation of Speech Sounds Arises Early in Life: Developmental Evidence from Ages 3 to 30
Identifieur interne : 000566 ( Main/Exploration ); précédent : 000565; suivant : 000567Musicians' Enhanced Neural Differentiation of Speech Sounds Arises Early in Life: Developmental Evidence from Ages 3 to 30
Auteurs : Dana L. Strait ; Samantha O'Connell ; Alexandra Parbery-Clark ; Nina Kraus [États-Unis]Source :
- Cerebral Cortex (New York, NY) [ 1047-3211 ] ; 2013.
Abstract
The perception and neural representation of acoustically similar speech sounds underlie language development. Music training hones the perception of minute acoustic differences that distinguish sounds; this training may generalize to speech processing given that adult musicians have enhanced neural differentiation of similar speech syllables compared with nonmusicians. Here, we asked whether this neural advantage in musicians is present early in life by assessing musically trained and untrained children as young as age 3. We assessed auditory brainstem responses to the speech syllables /ba/ and /ga/ as well as auditory and visual cognitive abilities in musicians and nonmusicians across 3 developmental time-points: preschoolers, school-aged children, and adults. Cross-phase analyses objectively measured the degree to which subcortical responses differed to these speech syllables in musicians and nonmusicians for each age group. Results reveal that musicians exhibit enhanced neural differentiation of stop consonants early in life and with as little as a few years of training. Furthermore, the extent of subcortical stop consonant distinction correlates with auditory-specific cognitive abilities (i.e., auditory working memory and attention). Results are interpreted according to a corticofugal framework for auditory learning in which subcortical processing enhancements are engendered by strengthened cognitive control over auditory function in musicians.
Url:
DOI: 10.1093/cercor/bht103
PubMed: 23599166
PubMed Central: 4128708
Affiliations:
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Strait</name><affiliation><nlm:aff id="af1"><institution>Institute for Neuroscience</institution>,</nlm:aff></affiliation><affiliation><nlm:aff id="af2"><addr-line>Auditory Neuroscience Laboratory</addr-line>,</nlm:aff></affiliation></author><author><name sortKey="O Connell, Samantha" sort="O Connell, Samantha" uniqKey="O Connell S" first="Samantha" last="O'Connell">Samantha O'Connell</name><affiliation><nlm:aff id="af2"><addr-line>Auditory Neuroscience Laboratory</addr-line>,</nlm:aff></affiliation></author><author><name sortKey="Parbery Clark, Alexandra" sort="Parbery Clark, Alexandra" uniqKey="Parbery Clark A" first="Alexandra" last="Parbery-Clark">Alexandra Parbery-Clark</name><affiliation><nlm:aff id="af2"><addr-line>Auditory Neuroscience Laboratory</addr-line>,</nlm:aff></affiliation><affiliation><nlm:aff id="af3"><addr-line>Department of Communication Sciences</addr-line>,</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="af1"><institution>Institute for Neuroscience</institution>,</nlm:aff></affiliation><affiliation><nlm:aff id="af2"><addr-line>Auditory Neuroscience Laboratory</addr-line>,</nlm:aff></affiliation><affiliation><nlm:aff id="af3"><addr-line>Department of Communication Sciences</addr-line>,</nlm:aff></affiliation><affiliation><nlm:aff wicri:cut=" and" id="af4"><addr-line>Department of Neurobiology and Physiology</addr-line></nlm:aff></affiliation><affiliation wicri:level="1"><nlm:aff id="af5"><addr-line>Department of Otolaryngology</addr-line>,<institution>Northwestern University</institution>,<addr-line>Evanston, IL</addr-line>,<country>USA</country></nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></analytic><series><title level="j">Cerebral Cortex (New York, NY)</title><idno type="ISSN">1047-3211</idno><idno type="e-ISSN">1460-2199</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>The perception and neural representation of acoustically similar speech sounds underlie language development. Music training hones the perception of minute acoustic differences that distinguish sounds; this training may generalize to speech processing given that adult musicians have enhanced neural differentiation of similar speech syllables compared with nonmusicians. Here, we asked whether this neural advantage in musicians is present early in life by assessing musically trained and untrained children as young as age 3. We assessed auditory brainstem responses to the speech syllables /ba/ and /ga/ as well as auditory and visual cognitive abilities in musicians and nonmusicians across 3 developmental time-points: preschoolers, school-aged children, and adults. Cross-phase analyses objectively measured the degree to which subcortical responses differed to these speech syllables in musicians and nonmusicians for each age group. Results reveal that musicians exhibit enhanced neural differentiation of stop consonants early in life and with as little as a few years of training. Furthermore, the extent of subcortical stop consonant distinction correlates with auditory-specific cognitive abilities (i.e., auditory working memory and attention). Results are interpreted according to a corticofugal framework for auditory learning in which subcortical processing enhancements are engendered by strengthened cognitive control over auditory function in musicians.</p></div></front></TEI><affiliations><list><country><li>États-Unis</li></country></list><tree><noCountry><name sortKey="O Connell, Samantha" sort="O Connell, Samantha" uniqKey="O Connell S" first="Samantha" last="O'Connell">Samantha O'Connell</name><name sortKey="Parbery Clark, Alexandra" sort="Parbery Clark, Alexandra" uniqKey="Parbery Clark A" first="Alexandra" last="Parbery-Clark">Alexandra Parbery-Clark</name><name sortKey="Strait, Dana L" sort="Strait, Dana L" uniqKey="Strait D" first="Dana L." last="Strait">Dana L. Strait</name></noCountry><country name="États-Unis"><noRegion><name sortKey="Kraus, Nina" sort="Kraus, Nina" uniqKey="Kraus N" first="Nina" last="Kraus">Nina Kraus</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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