| Project/Area Number |
17K13252
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Childhood science (childhood environment science)
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| Research Institution | Shiraume Gakuen University (2019-2023)
Tokyo Kasei University (2018)
Waseda University (2017) |
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Principal Investigator |
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| Project Period (FY) |
2017-04-01 – 2024-03-31
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| Project Status |
Completed (Fiscal Year 2023)
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| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2019: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2018: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2017: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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| Keywords | 乳児 / 遊び / 身体接触 / くすぐり / 社会性の発達 |
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| Outline of Final Research Achievements |
The purpose of this study was to explore the development of multimodal tactile play (particularly tickling play) at home between infants and their parents at 1.5, 3, 5, and 7 months of age, using videotaped behavioral observation, eye-tracking, and motion capture systems. We examined the relationship between parents’ subjective judgment of how well the infants played and the infants’ behaviors. The results demonstrated that infants at 7 months showed both positive and negative reactions to the play that the parents judged as “successful”; meanwhile, infants aged less than 7 months showed less negative reactions to the play that the parents judged as “successful.” These findings illustrated a developmental shift in parent-infant interactions that would require behavioral attunement and coordination based on mutual embodiment between infants and parents.
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| Academic Significance and Societal Importance of the Research Achievements |
触覚的経験が乳児の発達の呼び水となることを示唆する研究は，近年増加してきている。生後１．５ヶ月という早期からのマルチモーダルな身体接触遊びにおける相互作用の発達について検討した本研究は，親子の日常的な身体接触遊びにおける相互作用がいかに発達するのかについての基礎的エビデンスを示すとともに，それらが身体性を基盤とした乳児の社会性の発達を支えている可能性を示した。また本研究により，身体接触遊びにおける親子の行動と遊びが「うまくいった」（いかない）という親の主観的判断には関連性があり，それらは発達的に変化することが示された。これらの知見は，子育て支援や臨床の場に援用できる可能性がある。
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