大人なのに「赤ちゃんことば」を使ってしまうんでちゅか？

赤ちゃんを前にすると、発してしまうあのハイテンションな話し方。あの起源は思ったより古いところにあるのかも… 📖 ことラボの著作『言語学クエスト』発売中 【Amazon・電子書籍あり】https://amzn.to/3Sgu2k8 【VALUE BOOKS・特典あり】https://www.valuebooks.jp/bp/VS005895... 🐧 X   / kotolaboryo   📝 note https://note.com/kotolabo_ryo ────────── 📚 出典・参考 ・Cox, C., Bergmann, C., Fowler, E., Keren-Portnoy, T., Roepstorff, A., Bryant, G., & Fusaroli, R. (2023) "A systematic review and Bayesian meta-analysis of the acoustic features of infant-directed speech" Nature Human Behaviour, 7, 114–133 ・The ManyBabies Consortium (2020) "Quantifying Sources of Variability in Infancy Research Using the Infant-Directed-Speech Preference" Advances in Methods and Practices in Psychological Science, 3(1), 24–52 ・Thiessen, E. D., Hill, E. A., & Saffran, J. R. (2005) "Infant-directed speech facilitates word segmentation" Infancy, 7(1), 53–71 ・Song, J. Y., Demuth, K., & Morgan, J. (2010) "Effects of the acoustic properties of infant-directed speech on infant word recognition" The Journal of the Acoustical Society of America, 128(1), 389–400 ・Trainor, L. J., Austin, C. M., & Desjardins, R. N. (2000) "Is infant-directed speech prosody a result of the vocal expression of emotion?" Psychological Science, 11(3), 188–195 ・Benjamin, A., & Slocombe, K. (2018) "'Who's a good boy?!' Dogs prefer naturalistic dog-directed speech" Animal Cognition, 21, 353–364 ・Burnham, D., Opacica, M., & Vollmer-Conna, U. (2024) "Vocal Emotion in Pet-Directed and Infant-Directed Speech: Similar Sounds and Functions, but Different Determinants" Anthrozoös, 37(4) ・Ben-Aderet, T., Gallego-Abenza, M., Reby, D., & Mathevon, N. (2017) "Dog-directed speech: why do we use it and do dogs pay attention to it?" Proceedings of the Royal Society B, 284(1846) ・Panneton, R., et al. (2023) "Comparing mothers' speech to infants, puppies, and adults" Journal of Child Language, 51(5) ・Falk, D. (2004) "Prelinguistic evolution in early hominins: Whence motherese?" Behavioral and Brain Sciences, 27(4), 491–541