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2018 Fiscal Year Annual Research Report

Seeking the onset of infant speech development: An explanation of developmental mechanisms form the perspective of Asian languages

Research Project

Project/Area Number 16H06319
Research InstitutionInstitute of Physical and Chemical Research

Principal Investigator

馬塚 れい子  国立研究開発法人理化学研究所, 脳神経科学研究センター, チームリーダー (00392126)

Co-Investigator(Kenkyū-buntansha) 窪薗 晴夫  大学共同利用機関法人人間文化研究機構国立国語研究所, 理論・対照研究領域, 教授 (80153328)
酒井 弘  早稲田大学, 理工学術院, 教授 (50274030)
林 安紀子  東京学芸大学, 特別支援教育・教育臨床サポートセンター, 教授 (70238096)
川原 繁人  慶應義塾大学, 言語文化研究所(三田), 准教授 (80718792)
宇都木 昭  名古屋大学, 人文学研究科, 准教授 (60548999)
久能 三枝子 (高田三枝子)  愛知学院大学, 文学部, 准教授 (90468398)
Project Period (FY) 2016-05-31 – 2021-03-31
Keywords言語発達 / 乳児音声発達 / アジア言語 / 言語比較研究
Outline of Annual Research Achievements

本研究は、乳児の音声発達を、これまで実験的研究ができる環境になかったアジア言語を統一した実験手法を用いて調べる研究で、日本語、韓国語、広東語、タイ語のアジアの4言語を学ぶ乳児が破裂音の弁別を学ぶ過程を中心に研究を進めてきた。韓国語とタイ語は3種類の破裂音、日本語と広東語は2種類の破裂音を持つ言語で、従来の欧米言語から得られた結果と比較するには最適である。

これまでに実施した破裂音の実験では、未発表のものも含め韓国語で3対立、タイ語と広東語でそれぞれ1対立ずつ、日本語では同じ対立を語頭と語中で2種、合計7種類の対立を調査した。韓国語では無声摩擦音の対立もテストした。その結果最年少の4‐6ヶ月群から弁別できたのは韓国語の濃音と激音の対立と、日本語の破裂音を語中でテストした時のみで、それ以外の対立はこの月齢では弁別できなかった。これは知覚狭窄仮説の予測とは相容れない。広東語のトーンの実験でも、乳児が弁別しやすい対立とそうでない対立が存在することが明らかになり、トーンの弁別においても年少乳児でも弁別が困難な対立があることが明らかとなり、従来考えられていたように乳児の音素弁別の大半は知覚狭窄型の発達過程をたどるという仮説は修正が必要であると言えるだろう。しかし、なぜ個別の対立が弁別困難なのかについてはまだ不明な点が多く、今後はどのような要因が弁別の難易に寄与しているのか解明に重点を置いて研究を進める。

Current Status of Research Progress
Current Status of Research Progress

2: Research has progressed on the whole more than it was originally planned.

Reason

韓国、日本については、データ取得、分析ともに順調に進んでおり、学会発表、論文化を着実に行えている。

タイでは、文化的な事情から特に年少の乳児の参加者が少なく年少児と年長児の同数をテストする実験では時間がかかっている。この問題に対処するため、タイの研究協力者らが、母子が参加するイベントに参加して乳児を対象とする研究を紹介する活動を行ったり、募集のパンフレットを配ったりする活動を進めている。また、近郊の大学病院の産婦人科にも協力を要請し参加者を増やすための活動を強化している。

香港は、現地実験担当者の離職により、広東語実験の続行が難しくなった。香港大学の海外協力者からの申し出により共同研究から外れることになったが、分析に必要な最低限数の有効データの取得、確保ができており、2019年4-10月繰越分で雇用した研究員が分析を行えた。

Strategy for Future Research Activity

現体制で広東語の研究を継続することが困難となったため、2019年度からはSimon Fraser 大学のHenny Yeung 准教授の協力を得てパンジャブ語を学ぶ乳児を研究の対象に加えることを検討している。

  • Research Products

    (45 results)

All 2019 2018 Other

All Int'l Joint Research (5 results) Journal Article (10 results) (of which Peer Reviewed: 10 results,  Open Access: 2 results) Presentation (26 results) (of which Int'l Joint Research: 20 results,  Invited: 14 results) Book (2 results) Funded Workshop (2 results)

  • [Int'l Joint Research] Chung Ang University(韓国)

    • Country Name
      KOREA (REP. OF KOREA)
    • Counterpart Institution
      Chung Ang University
  • [Int'l Joint Research] Thammasat University(タイ)

    • Country Name
      THAILAND
    • Counterpart Institution
      Thammasat University
  • [Int'l Joint Research] Macquarie University(オーストラリア)

    • Country Name
      AUSTRALIA
    • Counterpart Institution
      Macquarie University
  • [Int'l Joint Research] 香港大学(中国)

    • Country Name
      CHINA
    • Counterpart Institution
      香港大学
  • [Int'l Joint Research] Duke University(米国)

    • Country Name
      U.S.A.
    • Counterpart Institution
      Duke University
  • [Journal Article] Secondary High Tones in Koshikijima Japanese2019

    • Author(s)
      Kubozono Haruo
    • Journal Title

      The Linguistic Review

      Volume: 36 Pages: 25~50

    • DOI

      doi.org/10.1515/tlr-2018-2006

    • Peer Reviewed
  • [Journal Article] Mora sensitivity in Kagoshima Japanese: Evidence from no contraction.2018

    • Author(s)
      Kubozono Haruo
    • Journal Title

      Hana-bana: A Festschrift for Junko Ito and Armin Mester

      Volume: 巻号なし Pages: onlineのためページなし

    • Peer Reviewed / Open Access
  • [Journal Article] The Interplay of Relational and Non-relational Processes in Sentence Production: The Case of Relative Clause Planning in Japanese and Spanish2018

    • Author(s)
      Rodrigo Laura、Igoa Jose M.、Sakai Hiromu
    • Journal Title

      Frontiers in Psychology

      Volume: 9 Pages: ページ番号なし

    • DOI

      doi: 10.3389/fpsyg.2018.01573

    • Peer Reviewed
  • [Journal Article] 有声性の研究はなぜ重要なのか2018

    • Author(s)
      川原 繁人, 高田 三枝子, 松浦 年男, 松井 理直.
    • Journal Title

      音声研究

      Volume: 22(2) Pages: 56-68

    • Peer Reviewed
  • [Journal Article] Acquisition of sound symbolic values of vowels and voiced obstruents by Japanese children: Using a Pokemonastic paradigm.2018

    • Author(s)
      Kawahara, S., Isobe, M., Kobayashi, Y., Monou, T., & Okabe, R.
    • Journal Title

      Journal of the Phonetic Society of Japan

      Volume: 22(2) Pages: 122-130

    • Peer Reviewed
  • [Journal Article] Articulation strategies for English liquids used by Japanese speakers2018

    • Author(s)
      Moore Jeff、Shaw Jason、Kawahara Shigeto、Arai Takayuki
    • Journal Title

      Acoustical Science and Technology

      Volume: 39 Pages: 75~83

    • DOI

      doi.org/10.1250/ast.39.75

    • Peer Reviewed
  • [Journal Article] Development of fricative sound perception in Korean infants: The role of language experience and infants’ initial sensitivity2018

    • Author(s)
      Shin Minha、Choi Youngon、Mazuka Reiko
    • Journal Title

      PLOS ONE

      Volume: 13 Pages: e0199045

    • DOI

      doi.org/10.1371/journal.pone.0199045

    • Peer Reviewed / Open Access
  • [Journal Article] Pitch accent.2018

    • Author(s)
      Kubozono, Haruo
    • Journal Title

      The Cambridge Handbook of Japanese Linguistics.

      Volume: 巻号なし Pages: 154-180

    • Peer Reviewed
  • [Journal Article] The Effects of Lexical Pitch Accent on Infant Word Recognition in Japanese2018

    • Author(s)
      Ota Mitsuhiko、Yamane Naoto、Mazuka Reiko
    • Journal Title

      Frontiers in Psychology

      Volume: 8 Pages: 2354

    • DOI

      doi.org/10.3389/fpsyg.2017.02354

    • Peer Reviewed
  • [Journal Article] Prosodic evidence for syllable structure in Japanese.2018

    • Author(s)
      Kubozono, Haruo
    • Journal Title

      Proceedings of the 13th Workshop on Altaic Formal Linguistics.

      Volume: 巻号なし Pages: 35-50

    • Peer Reviewed
  • [Presentation] オノマトペの謎.2019

    • Author(s)
      窪薗 晴夫.
    • Organizer
      東北大学言語学講演会、東北大学文学部
    • Invited
  • [Presentation] Investigating human language acquisition using phonological features of Japanese.2019

    • Author(s)
      Mazuka, R.
    • Organizer
      Closing Workshop of Predictable "Understanding and Predicting Developmental Language Abilities and Disorders in Multilingual Europe"
    • Int'l Joint Research / Invited
  • [Presentation] Why are babies better at learning a language than grown-ups?2019

    • Author(s)
      Mazuka, R.
    • Organizer
      Invited Seminar at Okinawa Institute of Science and Technology Graduate University
    • Invited
  • [Presentation] Enhancement of stop contrast or emergence of new targets?: Implications on language development in Japanese.2018

    • Author(s)
      Hwang, H. K., Mazuka, R., & Takada, M.
    • Organizer
      The 43rd of Boston University Conference on Language Development
    • Int'l Joint Research
  • [Presentation] Acoustic analysis of lexical tones in Thai infant-directed speech.2018

    • Author(s)
      Onsuwan, C., Duangmal, J., Chonmahatrakul, N., Mazuka, R., Yamane, N., & Hwang, H. K.
    • Organizer
      Asia-Pacific Babylab Constellation
    • Int'l Joint Research
  • [Presentation] Native Cantonese-learning jnfants' discrimination of lexical tones that are similar in pitch onset.2018

    • Author(s)
      Tsui, R. K. Y., Tong, X., & Mazuka, R.
    • Organizer
      Asia-Pacific Babylab Constellation
    • Int'l Joint Research
  • [Presentation] The quality and quantity of maternal phonetic input play a role in their infants’development of speech perception ability2018

    • Author(s)
      Nam, M., Choi, Y., & Mazuka, R.
    • Organizer
      Asia-Pacific Babylab Constellation
    • Int'l Joint Research
  • [Presentation] The role of maternal phonetic input on their infants' speech perception ability.2018

    • Author(s)
      Nam, M., Choi, Y., Shin, M., Kim, S., & Mazuka, R.
    • Organizer
      International Congress of Infant Studies 2018
    • Int'l Joint Research
  • [Presentation] Development of Korean infants' fricative perception: Comparison across different vowel contexts.2018

    • Author(s)
      Shin, M., Mazuka, R., & Choi, Y.
    • Organizer
      International Congress of Infant Studies 2018
    • Int'l Joint Research
  • [Presentation] Communicative function of singing to infant.2018

    • Author(s)
      Yamane, N., Ohori, A., & Mazuka, R.
    • Organizer
      International Congress of Infant Studies 2018
    • Int'l Joint Research
  • [Presentation] 9.Asymmetric memory encoding for voicing contrasts across languages.2018

    • Author(s)
      Shinohara, Y., Hestvik, A., Durvasula, K., & Sakai, H.
    • Organizer
      The 8th Mismatch Negativity Conference, University of Helsinki, Finland.
    • Int'l Joint Research
  • [Presentation] A potential link between Infant-directed speech and evolution of vocal communication.2018

    • Author(s)
      Mazuka, R., Kondo, T., & Hayashi, A.
    • Organizer
      12th International Conference on Language Evolution
    • Int'l Joint Research
  • [Presentation] Development of vocal temporal parameters in distantly related vocal learners, birds and humans2018

    • Author(s)
      Takahasi, M., Okanoya, K., & Mazuka, R.
    • Organizer
      12th International Conference on Language Evolution
    • Int'l Joint Research
  • [Presentation] Infants' sensitivity to emotional animal vocalization and the evolution of vocal communication2018

    • Author(s)
      Yamane, N., Hasegawa, M., Kanato, A., Kijima, N., Okanoya, K., & Mazuka, R.
    • Organizer
      12th International Conference on Language Evolution
    • Int'l Joint Research
  • [Presentation] Phonological representation of voicing contrasts and Mismatch Negativity.2018

    • Author(s)
      Shinohara, Y., & Sakai, H.
    • Organizer
      2018 Research Workshop of Institute of Language and Speech Science.
  • [Presentation] モダリティとイントネーション.2018

    • Author(s)
      窪薗 晴夫
    • Organizer
      NINJALシンポジウム
    • Invited
  • [Presentation] Taking cross-linguistic differences seriously in infant speech perception: Acquisition of the Japanese sound system.2018

    • Author(s)
      Mazuka, R.
    • Organizer
      Tianjin Normal University
    • Int'l Joint Research / Invited
  • [Presentation] What can we learn from phonologically informed analysis of infant-directed speech?2018

    • Author(s)
      Mazuka, R.
    • Organizer
      Tianjin Normal University
    • Int'l Joint Research / Invited
  • [Presentation] Vocative and question intonation in Japanese’.2018

    • Author(s)
      Kubozono, H.
    • Organizer
      Phonology Colloquium, UC Santa Cruz, LA, USA.
    • Int'l Joint Research / Invited
  • [Presentation] Default word prosody and its effects on morphology’.2018

    • Author(s)
      Kubozono, H.
    • Organizer
      26th Japanese/Korean Linguistics Conference, UCLA. LA, USA.
    • Int'l Joint Research / Invited
  • [Presentation] 鹿児島方言と甑島方言の呼びかけイントネーション.2018

    • Author(s)
      窪薗 晴夫
    • Organizer
      日本言語学会第157回大会ワークショップ, 京都大学, 京都, 日本.
    • Invited
  • [Presentation] Vocative and question intonation in southern Japanese.2018

    • Author(s)
      Kubozono, H.
    • Organizer
      5th International Conference on Phonetics and Phonology (ICPP 2018), 国立国語研究所, 東京, 日本.
    • Int'l Joint Research / Invited
  • [Presentation] What we can learn from fully annotated corpus of infant-directed speech in Japanese: Challenging the conventional methods of analyzing IDS properties.2018

    • Author(s)
      Mazuka, R.
    • Organizer
      International Congress of Infant Studies 2018. Philadelphia, USA.
    • Int'l Joint Research / Invited
  • [Presentation] Evidence against superheavy syllables in Japanese: Quantity sensitivity in Tokyo and Kagoshima Japanese.2018

    • Author(s)
      Kubozono, H.
    • Organizer
      7th International Conference on Phonology and Morphology, ソウル大学、ソウル.
    • Int'l Joint Research / Invited
  • [Presentation] 話者の視線が解き明かす言語と思考の関係2018

    • Author(s)
      酒井 弘
    • Organizer
      13.関西言語学会第43回大会招待講演,甲南大学,神戸市.
    • Invited
  • [Presentation] What can we learn from phonologically informed analysis of infant-directed speech?2018

    • Author(s)
      Mazuka, R.
    • Organizer
      Department of Linguistics Colloquium University of Hawaii, Manoa. Manoa, Hawaii.
    • Int'l Joint Research / Invited
  • [Book] Special issue: Prosody and Prosodic Interfaces in Japanese and Korean.2019

    • Author(s)
      Kubozono, H. (ed.)
    • Total Pages
      1-150
    • Publisher
      Berlin: De Gruyter Mouton.
  • [Book] ビジュアル音声学2018

    • Author(s)
      川原 繁人
    • Total Pages
      240
    • Publisher
      三省堂
    • ISBN
      978-4385365329
  • [Funded Workshop] International symposium "Intention sharing and communication"2018

  • [Funded Workshop] 脳波解析国際シンポジウム “International Symposium on Cutting Edge Technology for EEG Data Analysis.”2018

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Published: 2021-01-27  

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