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Related Experiment Videos

Cross-language sensitivity to phonotactic patterns in infants.

Sachiyo Kajikawa1, Laurel Fais, Ryoko Mugitani

  • 1NTT Communication Science Laboratories, NTT Corporation, 2-4 Hikari-dai, Seika-cho, Souraku-gun, Kyoto 619-0237, Japan. kajikawa@lab.tamagawa.ac.jp

The Journal of the Acoustical Society of America
|October 31, 2006
PubMed
Summary
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Infants show early sensitivity to their native language's sound patterns. English-learning infants distinguish specific word sounds by 18 months, while Japanese-learning infants do not, highlighting language-specific phonotactic development.

Area of Science:

  • Developmental Psychology
  • Linguistics
  • Cognitive Science

Background:

  • Infants develop sensitivity to the phonotactic rules of their native language.
  • Understanding early phonotactic pattern recognition is crucial for language acquisition.

Purpose of the Study:

  • To investigate how English and Japanese infants discriminate between phonotactically legal and illegal words in their respective languages.
  • To examine the developmental trajectory of phonotactic pattern sensitivity in infants.

Main Methods:

  • Habituation-switch experimental paradigm used with 6, 12, and 18-month-old infants.
  • Testing discrimination of English words 'neek', 'neeks', and 'neekusu' against Japanese phonotactic constraints.

Main Results:

Related Experiment Videos

  • English-learning infants discriminated 'neek' and 'neeks' at 18 months; Japanese infants did not.
  • Japanese infants showed different developmental patterns for discriminating 'neekusu'/'neeks' compared to English infants.
  • Language-specific phonotactical congruence significantly influenced infants' discrimination performance.

Conclusions:

  • Infants exhibit early sensitivity to language-specific phonotactic patterns.
  • Developmental differences in discrimination reflect the distinct phonotactic rules of English and Japanese.
  • Early language input shapes infants' perception of word-level sound structures.