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2023-12-11

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cc by (c) Ribas-Prats, Teresa et al., 2023
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/223993

Developmental trajectory of the frequency-following response during the first 6 months of life

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Recurs relacionat

https://doi.org/10.1044/2023_JSLHR-23-00104

Resum

Purpose: The aim of the present study is to characterize the maturational changes during the first 6 months of life in the neural encoding of two speech sound features relevant for early language acquisition: the stimulus fundamental frequency (fo), related to stimulus pitch, and the vowel formant composition, particularly F1. The frequency-following response (FFR) was used as a snapshot into the neural encoding of these two stimulus attributes. Method: FFRs to a consonant-vowel stimulus /da/ were retrieved from electroencephalographic recordings in a sample of 80 healthy infants (45 at birth and 35 at the age of 1 month). Thirty-two infants (16 recorded at birth and 16 recorded at 1 month) returned for a second recording at 6 months of age. Results: Stimulus fo and F1 encoding showed improvements from birth to 6 months of age. Most remarkably, a significant improvement in the F1 neural encoding was observed during the first month of life. Conclusion: Our results highlight the rapid and sustained maturation of the basic neural machinery necessary for the phoneme discrimination ability during the first 6 months of age.

Matèries

Desenvolupament infantil, Infants nadons, Cervell, Electroencefalografia

Matèries (anglès)

Child development, Newborn infants, Brain, Electroencephalography

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Articles publicats en revistes (Ciències Clíniques)

Citació

RIBAS-PRATS, Teresa, et al. Developmental trajectory of the frequency-following response during the first 6 months of life. Journal of Speech Language and Hearing Research. 2023. Vol. 66, num. 11, pags. 4785-4800. ISSN 1092-4388. [consulted: 28 of August of 2026]. Available at: https://hdl.handle.net/2445/223993

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