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Training to Improve Hearing Speech in Noise: Biological Mechanisms
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42 |
Musicians have fine-tuned neural distinction of speech syllables
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44 |
Training to Improve Hearing Speech in Noise: Biological Mechanisms
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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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46 |
Assistive listening devices drive neuroplasticity in children with dyslexia
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Cross-phaseogram: Objective neural index of speech sound differentiation
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48 |
Training to Improve Hearing Speech in Noise: Biological Mechanisms
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49 |
Musical Experience and the Aging Auditory System: Implications for Cognitive Abilities and Hearing Speech in Noise
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Inferior colliculus contributions to phase encoding of stop consonants in an animal model
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51 |
Brainstem Correlates of Speech-in-Noise Perception in Children
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RAPID ACOUSTIC PROCESSING IN THE AUDITORY BRAINSTEM IS NOT RELATED TO CORTICAL ASYMMETRY FOR THE SYLLABLE RATE OF SPEECH
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54 |
Stimulus Rate and Subcortical Auditory Processing of Speech
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Auditory brainstem measures predict reading and speech-in-noise perception in school-aged children
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Musical Experience Limits the Degradative Effects of Background Noise on the Neural Processing of Sound
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Context-dependent encoding in the human auditory brainstem relates to hearing speech in noise: Implications for developmental dyslexia
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