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Phonetic detail in the developing lexicon.

Daniel Swingley1

  • 1Max-Planck-Institute for Psycholinguistics, USA. swingley@psych.upenn.edu

Language and Speech
|January 30, 2004
PubMed
Summary
This summary is machine-generated.

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Nineteen-month-old infants demonstrate an understanding of word sound forms, even when encountering mispronunciations. This research highlights early phonetic encoding in young children

Area of Science:

  • Developmental Psychology
  • Linguistics
  • Speech Perception

Background:

  • Infants possess a notable sensitivity to phonetic variations in speech.
  • However, young children do not always appear to utilize this sensitivity in early language acquisition.

Purpose of the Study:

  • To assess 19-month-old Dutch infants' knowledge of word sound forms.
  • To investigate whether infants can detect mispronunciations in familiar words.

Main Methods:

  • A visual fixation task was employed with 19-month-old Dutch infants.
  • Infants were presented with picture pairs and heard correct or mispronounced familiar words.
  • Mispronunciations involved word-initial or word-medial consonant substitutions ([d] or [g]).

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Main Results:

  • Infants showed better word recognition for correct pronunciations compared to mispronunciations.
  • This effect was consistent regardless of whether the mispronunciation was word-initial or word-medial.
  • Performance was not influenced by the presence of lexical or nonlexical phonological neighbors.

Conclusions:

  • The findings suggest that 19-month-old infants encode phonetic detail in familiar words.
  • This indicates an early sensitivity to the precise sound structure of language.