| Project/Area Number |
24K16785
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| Research Category |
Grant-in-Aid for Early-Career Scientists
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| Allocation Type | Multi-year Fund |
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| Review Section |
Basic Section 10010:Social psychology-related
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| Research Institution | The University of Tokyo |
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Principal Investigator |
Li Jiarui 東京大学, ニューロインテリジェンス国際研究機構, 特任研究員 (10966807)
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| Project Period (FY) |
2024-04-01 – 2025-03-31
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| Project Status |
Discontinued (Fiscal Year 2024)
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| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2026: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2025: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2024: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Keywords | Social learning / vocal interaction / multiple modalities / social preference / infant-robot interaction / Early social preference |
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| Outline of Research at the Start |
Prosody is crucial for infants' understanding of communication, and social engagement. Computational models will be employed to uncover personalized prosodic patterns between infants and caregivers, which will be applied to robot experiments to understand the impact of prosody to social preference.
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| Outline of Annual Research Achievements |
This project investigates how speech prosody shapes infants' social preferences. Firstly, pitch alignment in dynamic vocal exchanges between mothers and infants was analyzed using English and Tseltal corpora, similar to the Japanese corpus for this study. The findings show that infants from different cultures align the vocalizations to their mothers in distinct ways. These results are critical for developing the prosody analysis framework with considering the cultural backgrounds. Additionally, the day-long motion data from Japanese infants was analyzed. Findings show that infants motion behaviors have a large individual differences, reflecting that they are experiencing diverse and evolving social environments. These insights will guide the analysis of prosody preferences in various daily social contexts.
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