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Delta- and theta-band cortical tracking and phase-amplitude coupling to sung speech by infants.
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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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Attaheri, Adam; Panayiotou, Dimitris; Phillips, Alessia; Ní Choisdealbha, Áine; Di Liberto, Giovanni M; Rocha, Sinead; Brusini, Perrine; Mead, Natasha; Flanagan, Sheila; Olawole-Scott, Helen; Goswami, Usha. - : Frontiers Media SA, 2022
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Abstract:
Here we duplicate a neural tracking paradigm, previously published with infants (aged 4 to 11 months), with adult participants, in order to explore potential developmental similarities and differences in entrainment. Adults listened and watched passively as nursery rhymes were sung or chanted in infant-directed speech. Whole-head EEG (128 channels) was recorded, and cortical tracking of the sung speech in the delta (0.5–4 Hz), theta (4–8 Hz) and alpha (8–12 Hz) frequency bands was computed using linear decoders (multivariate Temporal Response Function models, mTRFs). Phase-amplitude coupling (PAC) was also computed to assess whether delta and theta phases temporally organize higher-frequency amplitudes for adults in the same pattern as found in the infant brain. Similar to previous infant participants, the adults showed significant cortical tracking of the sung speech in both delta and theta bands. However, the frequencies associated with peaks in stimulus-induced spectral power (PSD) in the two populations were different. PAC was also different in the adults compared to the infants. PAC was stronger for theta- versus delta- driven coupling in adults but was equal for delta- versus theta-driven coupling in infants. Adults also showed a stimulus-induced increase in low alpha power that was absent in infants. This may suggest adult recruitment of other cognitive processes, possibly related to comprehension or attention. The comparative data suggest that while infant and adult brains utilize essentially the same cortical mechanisms to track linguistic input, the operation of and interplay between these mechanisms may change with age and language experience.
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URL: http://livrepository.liverpool.ac.uk/3153594/
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Dissociable electrophysiological measures of natural language processing reveal differences in speech comprehension strategy in healthy ageing
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In: Sci Rep (2021)
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Neural representation of linguistic feature hierarchy reflects second-language proficiency
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In: Neuroimage (2020)
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Data from: Electrophysiological correlates of semantic dissimilarity reflect the comprehension of natural, narrative speech ...
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Atypical cortical entrainment to speech in the right hemisphere underpins phonemic deficits in dyslexia. ...
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Atypical cortical entrainment to speech in the right hemisphere underpins phonemic deficits in dyslexia.
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Atypical cortical entrainment to speech in the right hemisphere underpins phonemic deficits in dyslexia
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Infant-directed speech facilitates seven-month-old infants' cortical tracking of speech
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Visual Cortical Entrainment to Motion and Categorical Speech Features during Silent Lipreading
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Eye Can Hear Clearly Now: Inverse Effectiveness in Natural Audiovisual Speech Processing Relies on Long-Term Crossmodal Temporal Integration
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