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Mugitani, Ryoko; Pons, Ferran; Fais, Laurel; Dietrich, Christiane; Werker, Janet F.; Amano, Shigeaki – Developmental Psychology, 2009
This study investigated vowel length discrimination in infants from 2 language backgrounds, Japanese and English, in which vowel length is either phonemic or nonphonemic. Experiment 1 revealed that English 18-month-olds discriminate short and long vowels although vowel length is not phonemically contrastive in English. Experiments 2 and 3 revealed…
Descriptors: Cues, Vowels, Phonology, Infants
Yeung, H. Henny; Werker, Janet F. – Cognition, 2009
One of the central themes in the study of language acquisition is the gap between the linguistic knowledge that learners demonstrate, and the apparent inadequacy of linguistic input to support induction of this knowledge. One of the first linguistic abilities in the course of development to exemplify this problem is in speech perception:…
Descriptors: Language Acquisition, Native Speakers, Infants, Auditory Perception
Werker, Janet F.; Pons, Ferran; Dietrich, Christiane; Kajikawa, Sachiyo; Fais, Laurel; Amano, Shigeaki – Cognition, 2007
Across the first year of life, infants show decreased sensitivity to phonetic differences not used in the native language [Werker, J. F., & Tees, R. C. (1984). Cross-language speech perception: evidence for perceptual reorganization during the first year of life. "Infant Behaviour and Development," 7, 49-63]. In an artificial language learning…
Descriptors: Phonetics, Cues, Mothers, Auditory Perception