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Musicians' Enhanced Neural Differentiation of Speech Sounds Arises Early in Life: Developmental Evidence from Ages 3 to 30
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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.
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Keyword:
Articles
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URL: http://www.ncbi.nlm.nih.gov/pubmed/23599166 https://doi.org/10.1093/cercor/bht103 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4128708/
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Beat synchronization predicts neural speech encoding and reading readiness in preschoolers
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Auditory learning through active engagement with sound: biological impact of community music lessons in at-risk children
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Engagement in community music classes sparks neuroplasticity and language development in children from disadvantaged backgrounds
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Longitudinal Effects of Group Music Instruction on Literacy Skills in Low-Income Children
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Musicians' Enhanced Neural Differentiation of Speech Sounds Arises Early in Life: Developmental Evidence from Ages 3 to 30
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Biological impact of preschool music classes on processing speech in noise
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Musicians have fine-tuned neural distinction of speech syllables
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Musical Experience and the Aging Auditory System: Implications for Cognitive Abilities and Hearing Speech in Noise
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