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Related Experiment Videos

Do infants segment words or recurring contiguous patterns?

S L Mattys1, P W Jusczyk

  • 1Department of Psychology and Department of Cognitive Science, Johns Hopkins University, Baltimore, Maryland, USA. sven.mattys@bris.ac.uk

Journal of Experimental Psychology. Human Perception and Performance
|June 27, 2001
PubMed
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Infants do not segment words based solely on familiar sounds. Research shows babies use acoustic and phonetic cues to identify word boundaries, with a developmental lag for vowel-initial words.

Area of Science:

  • Developmental Psychology
  • Linguistics
  • Cognitive Science

Background:

  • Infant word segmentation is crucial for language acquisition.
  • Previous research explored if infants rely on familiar sound patterns for segmentation.

Purpose of the Study:

  • To test if infant word segmentation relies only on familiar sound patterns, irrespective of true word boundaries.
  • To investigate the role of acoustic and allophonic cues in infant word segmentation.

Main Methods:

  • Utilized the headturn preference procedure in eight experiments.
  • Presented infants with passages containing phonemic patterns across word boundaries and actual words.

Main Results:

  • 8.5-month-olds did not mis-segment consonant-vowel-consonant (CVC) words across boundaries but segmented them when present.

Related Experiment Videos

  • 16-month-olds segmented vowel-consonant (VC) words but did not falsely segment straddling CVC words.
  • A significant developmental gap was observed in segmenting consonant-initial versus vowel-initial words.

    • Conclusions:

    • Infant word segmentation is not solely based on recurring phonemic patterns.
    • Infants are sensitive to acoustic and allophonic cues signaling word boundaries.
    • Developmental differences exist in early word segmentation abilities.