Publication: Acoustic regularities in infant-directed speech and song across cultures
Acoustic regularities in infant-directed speech and song across cultures
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Hilton, C. B., Moser, C. J., Bertolo, M., et al, & Scaff, C. (2022). Acoustic regularities in infant-directed speech and song across cultures. Nature Human Behaviour, 6(11), 1545–1556. https://doi.org/10.1038/s41562-022-01410-x
Abstract
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When interacting with infants, humans often alter their speech and song in ways thought to support communication. Theories of human child-rearing, informed by data on vocal signalling across species, predict that such alterations should appear globally. Here, we show acoustic differences between infant-directed and adult-directed vocalizations across cultures. We collected 1,615 recordings of infant- and adult-directed speech and song produced by 410 people in 21 urban, rural and small-scale societies. Infant-directedness was reliably
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- Hilton, Courtney B
- Moser, Cody J
- Bertolo, Mila
- Scaff, Camila
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Hilton, C. B., Moser, C. J., Bertolo, M., et al, & Scaff, C. (2022). Acoustic regularities in infant-directed speech and song across cultures. Nature Human Behaviour, 6(11), 1545–1556. https://doi.org/10.1038/s41562-022-01410-x