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Neural sampling of the speech signal at different timescales by children with dyslexia ...
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Delta- and theta-band cortical tracking and phase-amplitude coupling to sung speech by infants.
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Attaheri, Adam; Choisdealbha, Áine Ní; Di Liberto, Giovanni M; Rocha, Sinead; Brusini, Perrine; Mead, Natasha; Olawole-Scott, Helen; Boutris, Panagiotis; Gibbon, Samuel; Williams, Isabel; Grey, Christina; Flanagan, Sheila; Goswami, Usha. - : Elsevier BV, 2022. : Neuroimage, 2022
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Abstract:
The amplitude envelope of speech carries crucial low-frequency acoustic information that assists linguistic decoding at multiple time scales. Neurophysiological signals are known to track the amplitude envelope of adult-directed speech (ADS), particularly in the theta-band. Acoustic analysis of infant-directed speech (IDS) has revealed significantly greater modulation energy than ADS in an amplitude-modulation (AM) band centred on ∼2 Hz. Accordingly, cortical tracking of IDS by delta-band neural signals may be key to language acquisition. Speech also contains acoustic information within its higher-frequency bands (beta, gamma). Adult EEG and MEG studies reveal an oscillatory hierarchy, whereby low-frequency (delta, theta) neural phase dynamics temporally organize the amplitude of high-frequency signals (phase amplitude coupling, PAC). Whilst consensus is growing around the role of PAC in the matured adult brain, its role in the development of speech processing is unexplored. Here, we examined the presence and maturation of low-frequency (<12 Hz) cortical speech tracking in infants by recording EEG longitudinally from 60 participants when aged 4-, 7- and 11- months as they listened to nursery rhymes. After establishing stimulus-related neural signals in delta and theta, cortical tracking at each age was assessed in the delta, theta and alpha [control] bands using a multivariate temporal response function (mTRF) method. Delta-beta, delta-gamma, theta-beta and theta-gamma phase-amplitude coupling (PAC) was also assessed. Significant delta and theta but not alpha tracking was found. Significant PAC was present at all ages, with both delta and theta -driven coupling observed. ; European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No. 694786).
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Keyword:
EEG; Infant; Language; Neural Oscillations; TRF
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URL: https://www.repository.cam.ac.uk/handle/1810/330530 https://doi.org/10.17863/CAM.77973
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Cortical Tracking of Sung Speech in Adults vs Infants: A Developmental Analysis
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In: Front Neurosci (2022)
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Cortical Tracking of Sung Speech in Adults vs Infants: A Developmental Analysis
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Neurocognitive Predictors of Response to Intervention With GraphoGame Rime ...
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Auditory Sensory Processing and Phonological Development in High IQ and Exceptional Readers, Typically Developing Readers, and Children With Dyslexia: A Longitudinal Study. ...
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Machine learning accurately classifies neural responses to rhythmic speech vs. non-speech from 8-week-old infant EEG. ...
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Auditory Sensory Processing and Phonological Development in High IQ and Exceptional Readers, Typically Developing Readers, and Children With Dyslexia: A Longitudinal Study
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Machine learning accurately classifies neural responses to rhythmic speech vs. non-speech from 8-week-old infant EEG.
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Auditory Sensory Processing and Phonological Development in High IQ and Exceptional Readers, Typically Developing Readers, and Children With Dyslexia: A Longitudinal Study.
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Machine learning accurately classifies neural responses to rhythmic speech vs. non-speech from 8-week-old infant EEG
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In: Brain Lang (2021)
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The temporal modulation structure of illiterate versus literate adult speech
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Auditory Sensory Processing and Phonological Development in High IQ and Exceptional Readers, Typically Developing Readers, and Children With Dyslexia: A Longitudinal Study ...
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An Evaluation of the Efficacy of GraphoGame Rime for Promoting English Phonics Knowledge in Poor Readers ...
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Novel word learning deficits in infants at family risk for dyslexia. ...
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An Evaluation of the Efficacy of GraphoGame Rime for Promoting English Phonics Knowledge in Poor Readers
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Infant-directed speech to infants at risk for dyslexia : a novel cross-dyad design
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Novel word learning deficits in infants at family risk for dyslexia
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The role of paired associate learning in acquiring letter-sound correspondences : a longitudinal study of children at family risk for dyslexia
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A Neural Oscillations Perspective on Phonological Development and Phonological Processing in Developmental Dyslexia ...
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Goswami, Usha. - : Apollo - University of Cambridge Repository, 2019
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