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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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Effects of early language experiences on the auditory brainstem
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Abstract:
Recent studies have come to contradicting conclusions as to whether international adoptees, who experience a sudden change in language environment, lose or retain traces of their birth language (Pallier et al., 2003; Ventureyra, Pallier & Yoo, 2004; Pierce, Klein, Chen, Delcenserie, & Genesee, 2014). Though these studies have considered cortical differences between international adoptees and individuals from their birth counties, none has looked at subcortical differences in the brain between the two groups. The current project examined the frequency following response of adult Chinese international adoptees (N = 9) adopted as infants by American English-speaking families in the United States compared to native Mandarin (N = 21) and American English (N = 21) controls. Additional behavioral tasks were completed to explore different levels of linguistic features from phonetics to phonology to semantic knowledge to suprasegmental characteristics of speech. The FFR results indicate mostly good pitch tracking abilities amongst the adoptees that may support future tonal language learning in the adoptees. The behavioral data suggest that the adoptees have minimal access to all levels of linguistic levels of linguistic processing (i.e., phonetic, phonological, lexical, suprasegmental) after adoption and after early exposure to English. Overall, the data provide evidence for the neural commitment theory that humans’ language acquisition is attuned to their language environment early on in life.
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Keyword:
Frequency following response; International adoptees; Language acquisition; Language development; Lexical tones; Speech therapy
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URL: https://hdl.handle.net/2144/31066
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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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