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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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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.
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RIBAS-PRATS, Teresa, CORDERO, Gaël, ARENILLAS-ALCÓN, Sonia, COSTA FAIDELLA, Jordi, GÓMEZ ROIG, Ma. dolores, ESCERA I MICÓ, Carles, LIP-SOSA, Diana l.. Developmental trajectory of the frequency-following response during the first 6 months of life. _Journal of Speech Language and Hearing Research_. 2023. Vol. 66, núm. 11, pàgs. 4785-4800. [consulta: 25 de gener de 2026]. ISSN: 1092-4388. [Disponible a: https://hdl.handle.net/2445/223993]