Infants' detection of the sound patterns of words in fluent speech

Article Abstract:

Infants have the ability to recognize repeated words in the context of fluent speech, as revealed by a study of seven-and-a-half-month old American infants. In the experiments with six-month old infants no indication of such perception was found. After exposure to repeated isolated words, the seven-and-a-half-month old infants listened longer to passages that contained the target words. They did not listen longer to passages with words differing from the target words by a single phonetic feature. The effect was also found when target words were first presented in sentential contexts rather than in isolation.

Word recognition, Perception in infants, Infant perception

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Phonotactic and prosodic effects on word segmentation in infants

Article Abstract:

A study was conducted to analyze speech segmentation in nine-month-old infants. Two cues suggested to carry probabilistic information about word boundaries were examined, namely phonotactic regularity and prosodic pattern. Bisyllabic CVC-CVC nonwords were utilized as stimuli. Results indicated that nine-month-old infants are sensitive to how phonotactic sequences align with word boundaries. Findings also showed that changing the stress pattern of the stimuli reverses their preference for phonotactic cluster types.

Psychological aspects, Infants

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The beginnings of word segmentation in English-learning infants

Article Abstract:

Issues regarding English-learning infants' capacities to segment bisyllabic words from fluent speech are discussed. Experiments were conducted on 7.5 month-old and 10.5 month old infants. The overall result was that English learners may rely heavily on stress cues when they begin to segment words from fluent speech.

United States, Analysis, English language, Child development, Morphology (Linguistics)

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