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Archer, Stephanie L.; Zamuner, Tania; Engel, Kathleen; Fais, Laurel; Curtin, Suzanne – Language Learning and Development, 2016
Research has shown that young infants use contrasting acoustic information to distinguish consonants. This has been used to argue that by 12 months, infants have homed in on their native language sound categories. However, this ability seems to be positionally constrained, with contrasts at the beginning of words (onsets) discriminated earlier.…
Descriptors: Infants, Infant Behavior, Auditory Perception, Acoustics
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Fais, Laurel; Kajikawa, Sachiyo; Amano, Shigeaki; Werker, Janet F. – Infancy, 2009
Six-, 12-, and 18-month-old English-hearing infants were tested on their ability to discriminate nonword forms ending in the final stop consonants /k/ and /t/ from their counterparts with final /s/ added, resulting in final clusters /ks/ and /ts/, in a habituation-dishabituation, looking time paradigm. Infants at all 3 ages demonstrated an ability…
Descriptors: Infants, English, Verbal Ability, Phonemes
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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