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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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Abstract:
Phonetic variability across talkers imposes additional processing costs during speech perception, often measured by performance decrements between single- and mixed-talker conditions. However, models differ in their predictions about whether accommodating greater phonetic variability (i.e., more talkers) imposes greater processing costs. We measured speech processing efficiency in a speeded word identification task, in which we manipulated the number of talkers (1, 2, 4, 8, or 16) listeners heard. Word identification was less efficient in every mixed-talker condition compared to the single-talker condition, but the magnitude of this performance decrement was not affected by the number of talkers. Furthermore, in a condition with uniform transition probabilities between two talkers, word identification was more efficient when the talker was the same as the prior trial compared to trials when the talker switched. These results support an auditory streaming model of talker adaptation, where processing costs associated with changing talkers result from attentional reorientation.
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Keyword:
Article
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URL: http://www.ncbi.nlm.nih.gov/pubmed/32688132 https://doi.org/10.1016/j.cognition.2020.104393 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7494542/
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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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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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