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Language Experience Impacts Brain Activation for Spoken and Signed Language in Infancy: Insights From Unimodal and Bimodal Bilinguals
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Sign and speech share partially overlapping conceptual representations
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Distinct processing of ambiguous speech in people with non-clinical auditory verbal hallucinations
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What Has Replication Ever Done for Us? Insights from Neuroimaging of Speech Perception
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In: Frontiers in Human Neuroscience , 11 , Article 41. (2017) (2017)
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What has replication ever done for us? Insights from neuroimaging of speech perception
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How auditory experience differentially influences the function of left and right superior temporal cortices
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Distinct neural systems recruited when speech production is modulated by different masking sounds
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In: JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA , 140 (1) pp. 8-19. (2016) (2016)
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Visual Speech Perception in Children With Language Learning Impairments
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In: JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH , 59 (1) pp. 1-14. (2016) (2016)
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Getting the Cocktail Party Started: Masking Effects in Speech Perception.
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In: J Cogn Neurosci , 28 (3) pp. 483-500. (2016) (2016)
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Distinct neural systems recruited when speech production is modulated by different masking sounds.
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Getting the Cocktail Party Started: Masking Effects in Speech Perception
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Distinct neural systems recruited when speech production is modulated by different masking sounds
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Visual Speech Perception in Children With Language Learning Impairments
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Getting the cocktail party started: masking effects in speech perception
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Hierarchical organization of auditory and motor representations in speech perception: Evidence from searchlight similarity analysis
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Abstract:
How humans extract the identity of speech sounds from highly variable acoustic signals remains unclear. Here, we use searchlight representational similarity analysis (RSA) to localize and characterize neural representations of syllables at different levels of the hierarchically organized temporo-frontal pathways for speech perception. We asked participants to listen to spoken syllables that differed considerably in their surface acoustic form by changing speaker and degrading surface acoustics using noise-vocoding and sine wave synthesis while we recorded neural responses with functional magnetic resonance imaging. We found evidence for a graded hierarchy of abstraction across the brain. At the peak of the hierarchy, neural representations in somatomotor cortex encoded syllable identity but not surface acoustic form, at the base of the hierarchy, primary auditory cortex showed the reverse. In contrast, bilateral temporal cortex exhibited an intermediate response, encoding both syllable identity and the surface acoustic form of speech. Regions of somatomotor cortex associated with encoding syllable identity in perception were also engaged when producing the same syllables in a separate session. These findings are consistent with a hierarchical account of how variable acoustic signals are transformed into abstract representations of the identity of speech sounds.
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URL: https://westminsterresearch.westminster.ac.uk/download/cd7f322eab4bb7b8fcec626e66d64cb98d9015173fc34428bf3ce9a62a58f0df/13897427/bhv136.pdf https://doi.org/10.1093/cercor/bhv136 https://westminsterresearch.westminster.ac.uk/item/q0579/hierarchical-organization-of-auditory-and-motor-representations-in-speech-perception-evidence-from-searchlight-similarity-analysis
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Do We Know What We’re Saying? The Roles of Attention and Sensory Information During Speech Production
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Changes of right-hemispheric activation after constraint-induced, intensive language action therapy in chronic aphasia: fMRI evidence from auditory semantic processing.
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In: Front Hum Neurosci , 8 , Article 919. (2014) (2014)
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Does musical enrichment enhance the neural coding of syllables? Neuroscientific interventions and the importance of behavioral data.
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In: Front Hum Neurosci , 8 964 - ?. (2014) (2014)
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Does musical enrichment enhance the neural coding of syllables? Neuroscientific interventions and the importance of behavioral data
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In: Frontiers in Human Neuroscience , 8 , Article 964. (2014) (2014)
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The Pathways for Intelligible Speech: Multivariate and Univariate Perspectives
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In: ISSN: 1047-3211 ; Cerebral Cortex, Vol. 24, No 9 (2014) pp. 2350-61 (2014)
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