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Contributions of common genetic variants to specific languages and to when a language is learned
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In: Sci Rep (2022)
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Infant neural features predict future language (Wong et al., 2021) ...
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Infant neural features predict future language (Wong et al., 2021) ...
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Combination of absolute pitch and tone language experience enhances lexical tone perception
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In: Sci Rep (2021)
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Effect of Complexity on Speech Sound Development: Evidence From Meta-Analysis Review of Treatment-Based Studies
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In: Front Psychol (2021)
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Language and nonlanguage factors in foreign language learning: evidence for the learning condition hypothesis
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In: NPJ Sci Learn (2021)
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A cross-cultural study showing deficits in gaze-language coordination during rapid automatized naming among individuals with ASD
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In: Sci Rep (2021)
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Neural Fingerprints Underlying Individual Language Learning Profiles
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In: J Neurosci (2021)
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ASPM-lexical tone association in speakers of a tone language: Direct evidence for the genetic-biasing hypothesis of language evolution
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In: Sci Adv (2020)
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Musicians show enhanced perception, but not production, of native lexical tones
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Task-General and Acoustic-Invariant Neural Representation of Speech Categories in the Human Brain
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Abstract:
A significant neural challenge in speech perception includes extracting discrete phonetic categories from continuous and multidimensional signals despite varying task demands and surface-acoustic variability. While neural representations of speech categories have been previously identified in frontal and posterior temporal-parietal regions, the task dependency and dimensional specificity of these neural representations are still unclear. Here, we asked native Mandarin participants to listen to speech syllables carrying 4 distinct lexical tone categories across passive listening, repetition, and categorization tasks while they underwent functional magnetic resonance imaging (fMRI). We used searchlight classification and representational similarity analysis (RSA) to identify the dimensional structure underlying neural representation across tasks and surface-acoustic properties. Searchlight classification analyses revealed significant “cross-task” lexical tone decoding within the bilateral superior temporal gyrus (STG) and left inferior parietal lobule (LIPL). RSA revealed that the LIPL and LSTG, in contrast to the RSTG, relate to 2 critical dimensions (pitch height, pitch direction) underlying tone perception. Outside this core representational network, we found greater activation in the inferior frontal and parietal regions for stimuli that are more perceptually similar during tone categorization. Our findings reveal the specific characteristics of fronto-tempo-parietal regions that support speech representation and categorization processing.
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Keyword:
Original Articles
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URL: http://www.ncbi.nlm.nih.gov/pubmed/28968658 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6454529/ https://doi.org/10.1093/cercor/bhx195
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Neural preservation underlies speech improvement from auditory deprivation in young cochlear implant recipients
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Training-induced brain activation and functional connectivity differentiate multi-talker and single-talker speech training
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The Tone Atlas, step2 : perceptual salience of Thai, Cantonese, Beijing and Singaporean Mandarin tones for tone and non-tone language listeners
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Effects of combination of linguistic and musical pitch experience on subcortical pitch encoding
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Varying irrelevant phonetic features hinders learning of the feature being trained
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Context-dependent plasticity in the subcortical encoding of linguistic pitch patterns
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Varying irrelevant phonetic features hinders learning of the feature being trained
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Neural correlates of indicators of sound change in Cantonese : evidence from cortical and subcortical processes
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Complexity, training paradigm design, and the contribution of memory subsystems to grammar learning
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