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Efficient localization of the cortical language network and its functional neuroanatomy in dyslexia
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Examining morphological differences in Heschl's gyrus between neurotypical and dyslexic brains
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Selecting among competing models of talker adaptation: Attention, cognition, and memory in speech processing efficiency
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In: Cognition (2020)
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Noninvasive neurostimulation of left ventral motor cortex enhances sensorimotor adaptation in speech production
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In: Brain Lang (2020)
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Effects of type, token, and talker variability in speech processing efficiency
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Common cortical architectures for phonological working memory identified in individual brains
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In: Neuroimage (2019)
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Time and information in perceptual adaptation to speech
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In: Cognition (2019)
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Acoustic and linguistic factors affecting perceptual dissimilarity judgments of voices
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In: J Acoust Soc Am (2019)
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Effects of talker continuity and speech rate on auditory working memory
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Hierarchical contributions of linguistic knowledge to talker identification: Phonological vs. lexical familiarity
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Persistent Neurobehavioral Markers of Developmental Morphosyntax Errors in Adults
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In: J Speech Lang Hear Res (2019)
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Noninvasive neurostimulation of left temporal lobe disrupts rapid talker adaptation in speech processing
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In: Brain Lang (2019)
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Abstract:
Talker adaptation improves speech processing efficiency by reducing possible mappings between talkers’ speech acoustics and listeners’ phonemic representations. We investigated the functional neuroanatomy of talker adaptation by applying noninvasive neurostimulation (high-definition transcranial direct current stimulation; HD-tDCS) to left superior temporal lobe while participants performed an auditory word identification task. We factorially manipulated talker variability (single vs. mixed talkers) and speech context (isolated words vs. connected speech), measuring listeners’ speech processing efficiency under anodal, cathodal, or sham stimulation. Speech processing was faster for single talkers than mixed talkers, and connected speech reduced the additional processing costs associated with mixed-talker speech. However, the beneficial effect of connected speech in the mixed-talker condition was significantly attenuated under both anodal and cathodal stimulation versus sham. Stimulation of left superior temporal lobe disrupts the brain’s ability to use local phonetic context to rapidly adapt to a talker, revealing this region’s causal role in talker adaptation.
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Keyword:
Article
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URL: http://www.ncbi.nlm.nih.gov/pubmed/31310963 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6688950/ https://doi.org/10.1016/j.bandl.2019.104655
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Effects of early language experiences on the auditory brainstem
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Sensorimotor adaptation to auditory perturbation of speech is facilitated by noninvasive brain stimulation
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Varying acoustic-phonemic ambiguity reveals that talker normalization is obligatory in speech processing
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