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Articulating novel words: children's oromotor skills predict non-word repetition abilities
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22 |
School-age children’s environmental object identification in natural auditory scenes: effects of masking and contextual congruence
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23 |
Articulating novel words:children's oromotor skills predict non-word repetition abilities
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26 |
A bilingual advantage in controlling language interference during sentence comprehension
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27 |
Sentence comprehension in competing speech: dichotic sentence-word priming reveals hemispheric differences in auditory semantic processing
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28 |
The contribution of the inferior parietal cortex to spoken language production
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A comparison of sensory-motor activity during speech in first and second languages
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Two Tongues, One Brain: Imaging Bilingual Speech Production
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33 |
Sentence comprehension in competing speech: Dichotic sentence-word priming reveals hemispheric differences in auditory semantic processing
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34 |
Normal adult aging and the contextual influences affecting speech and meaningful sound perception
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Normal Adult Aging and the Contextual Influences Affecting Speech and Meaningful Sound Perception
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37 |
Expertise with artificial nonspeech sounds recruits speech-sensitive cortical regions
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38 |
Informational factors in identifying environmental sounds in natural auditory scenes
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Expertise with artificial non-speech sounds recruits speech-sensitive cortical regions
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Abstract:
Regions of the human temporal lobe show greater activation for speech than for other sounds. These differences may reflect intrinsically specialized domain-specific adaptations for processing speech, or they may be driven by the significant expertise we have in listening to the speech signal. To test the expertise hypothesis, we used a video-game-based paradigm that tacitly trained listeners to categorize acoustically complex, artificial non-linguistic sounds. Before and after training, we used functional MRI to measure how expertise with these sounds modulated temporal lobe activation. Participants’ ability to explicitly categorize the non-speech sounds predicted the change in pre- to post-training activation in speech-sensitive regions of the left posterior superior temporal sulcus, suggesting that emergent auditory expertise may help drive this functional regionalization. Thus, seemingly domain-specific patterns of neural activation in higher cortical regions may be driven in part by experience-based restructuring of high-dimensional perceptual space.
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Article
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URL: https://doi.org/10.1523/JNEUROSCI.5758-08.2009 http://www.ncbi.nlm.nih.gov/pubmed/19386919 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2747609
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