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McClay, Elise K.; Cebioglu, Senay; Broesch, Tanya; Yeung, H. Henny – Developmental Science, 2022
Infant-directed speech (IDS) is phonetically distinct from adult-directed speech (ADS): It is typically considered to have special prosody--like higher pitch and slower speaking rates--as well as unique speech sound properties, for example, more breathy, hyperarticulated, and/or variable consonant and vowel articulation. These phonetic features…
Descriptors: Child Language, Phonetics, Mothers, Foreign Countries
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Rivera-Gaxiola, Maritza; Silva-Pereyra, Juan; Kuhl, Patricia K. – Developmental Science, 2005
Behavioral data establish a dramatic change in infants' phonetic perception between 6 and 12 months of age. Foreign-language phonetic discrimination significantly declines with increasing age. Using a longitudinal design, we examined the electrophysiological responses of 7- and 11-month-old American infants to native and non-native consonant…
Descriptors: Phonetics, Phonemes, Infants, Brain