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1
Acoustic-level and language-specific processing of native and non-native phonological sequence onsets in the low gamma and theta-frequency bands
In: Sci Rep (2022)
Abstract: Acoustic structures associated with native-language phonological sequences are enhanced within auditory pathways for perception, although the underlying mechanisms are not well understood. To elucidate processes that facilitate perception, time–frequency (T–F) analyses of EEGs obtained from native speakers of English and Polish were conducted. Participants listened to same and different nonword pairs within counterbalanced attend and passive conditions. Nonwords contained the onsets /pt/, /pət/, /st/, and /sət/ that occur in both the Polish and English languages with the exception of /pt/, which never occurs in the English language in word onset. Measures of spectral power and inter-trial phase locking (ITPL) in the low gamma (LG) and theta-frequency bands were analyzed from two bilateral, auditory source-level channels, created through source localization modeling. Results revealed significantly larger spectral power in LG for the English listeners to the unfamiliar /pt/ onsets from the right hemisphere at early cortical stages, during the passive condition. Further, ITPL values revealed distinctive responses in high and low-theta to acoustic characteristics of the onsets, which were modulated by language exposure. These findings, language-specific processing in LG and acoustic-level and language-specific processing in theta, support the view that multi scale temporal processing in the LG and theta-frequency bands facilitates speech perception.
Keyword: Article
URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8748887/
http://www.ncbi.nlm.nih.gov/pubmed/35013345
https://doi.org/10.1038/s41598-021-03611-2
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2
Modulation of Theta Phase Synchrony during Syllable Processing as a Function of Interactive Acoustic Experience in Infancy
In: Cereb Cortex (2021)
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3
Early Interactive Acoustic Experience with Non-speech Generalizes to Speech and Confers a Syllabic Processing Advantage at 9 Months
Ortiz-Mantilla, Silvia; Realpe-Bonilla, Teresa; Benasich, April A. - : Oxford University Press, 2019
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4
Minimally-verbal children with autism show deficits in theta and gamma oscillations during processing of semantically-related visual information
Ortiz-Mantilla, Silvia; Cantiani, Chiara; Shafer, Valerie L.. - : Nature Publishing Group UK, 2019
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5
Reduced left-lateralized pattern of event-related EEG oscillations in infants at familial risk for language and learning impairment
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6
Active auditory experience in infancy promotes brain plasticity in Theta and Gamma oscillations
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7
A Modulatory Effect of Brief Passive Exposure to Non-linguistic Sounds on Intrinsic Functional Connectivity: Relevance to Cognitive Performance
Koyama, Maki S; Ortiz-Mantilla, Silvia; Roesler, Cynthia P. - : Oxford University Press, 2017
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8
Oscillatory Dynamics Underlying Perceptual Narrowing of Native Phoneme Mapping from 6 to 12 Months of Age
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9
Enhancement of Gamma Oscillations Indicates Preferential Processing of Native over Foreign Phonemic Contrasts in Infants
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