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Sex differences in subcortical auditory processing only partially explain higher prevalence of language disorders in males
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In: Hear Res (2020)
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Distinct Rhythmic Abilities Align With Phonological Awareness And Rapid Naming In School-Age Children
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In: Cogn Process (2020)
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Stable auditory processing underlies phonological awareness in typically developing preschoolers
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In: Brain Lang (2019)
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Analyzing the FFR: A tutorial for decoding the richness of auditory function
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In: Hear Res (2019)
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Play Sports for a Quieter Brain: Evidence From Division I Collegiate Athletes
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In: Sports Health (2019)
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Stability and Plasticity of Auditory Brainstem Function Across the Lifespan
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Bilingualism increases neural response consistency and attentional control: Evidence for sensory and cognitive coupling
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Neural processing of speech in children is influenced by bilingual experience
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The Impoverished Brain: Disparities in Maternal Education Affect the Neural Response to Sound
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Subcortical encoding of sound is enhanced in bilinguals and relates to executive function advantages
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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) Science 312:1537–1540; Kim KHS, et al. (1997) Nature 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.
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Keyword:
Biological Sciences
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URL: https://doi.org/10.1073/pnas.1201575109 http://www.ncbi.nlm.nih.gov/pubmed/22547804 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3356657
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Stimulus Rate and Subcortical Auditory Processing of Speech
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