Recent Publications

Ihara Y, 2024. Models of animal coalitions and their implications for human evolution. Proceedings of the Royal Society B 291, 20241227.
doi:10.1098/rspb.2024.1227

Takahashi T, Onohara A, Ihara Y, 2023. Bayesian phylogenetic analysis of pitch-accent systems based on accentual class merger: a new method applied to Japanese dialects. Journal of Language Evolution 8, 169-191.
doi:10.1093/jole/lzae004

Morita M, Nishikawa Y, Tokumasu Y, 2024. Human musical capacity and products should have been induced by the hominin-specific combination of several biosocial features: A three-phase scheme on socio-ecological, cognitive, and cultural evolution. Evolutionary Anthropology 33, e22031.
doi:10.1002/evan.22031

Denton KK, Kendal JR, Ihara Y, Feldman MW, 2023. Cultural niche construction with application to fertility control: A model for education and social transmission of contraceptive use. Theoretical Population Biology 153, 1-14.
doi:10.1016/j.tpb.2023.06.001

Takahashi T, Ihara Y, 2023. Spatial evolution of human cultures inferred through Bayesian phylogenetic analysis. Journal of the Royal Society Interface 20, 20220543.
doi:10.1098/rsif.2022.0543

Nishikawa Y, Ihara Y, 2022. Cultural transmission of traditional songs in the Ryukyu Archipelago. PLoS ONE 17, e0270354.
doi:10.1371/journal.pone.0270354

Nojo S, Kimura R, Ihara Y, 2022. An empirical investigation on the sexual selection hypothesis of human phenotypic diversity: A test in Okinawa and Mainland Japan. Letters on Evolutionary Behavioral Science 13, 21-27.
doi:10.5178/lebs.2022.94

Takahashi T, Ihara Y, 2022. Application of a Markovian ancestral model to the temporal and spatial dynamics of cultural evolution on a population network. Theoretical Population Biology 143, 14-29.
doi:10.1016/j.tpb.2021.10.003

Kobayashi H, Kobori O, Ihara Y, Yaguchi H, Yasuda T, 2022. Understanding ostensive behavior in making inferences of referential intentions. Letters on Evolutionary Behavioral Science 13, 1-5.
doi:10.5178/lebs.2022.90

Nishikawa Y, Ishida T, 2021. Genetic lineage of the Amami islanders inferred from classical genetic markers. Meta Gene 30, 100956.
doi:10.1016/j.mgene.2021.100956

Morita M, Saito A, Nozaki M, Ihara Y, 2021. Childcare support and child social development in Japan: investigating the mediating role of parental psychological condition and parenting style. Philosophical Transactions of the Royal Society B 376, 20200025.
doi:10.1098/rstb.2020.0025

Takahashi T, Ihara Y, 2020. Quantifying the spatial pattern of dialect words spreading from a central population. Journal of the Royal Society Interface 17, 20200335.
doi:10.1098/rsif.2020.0335

Ihara Y, Ikeya K, Nobayashi A, Kaifu Y, 2020. A demographic test of accidental versus intentional island colonization by Pleistocene humans. Journal of Human Evolution 145, 102839.
doi:10.1016/j.jhevol.2020.102839

Ihara Y, 2020. A mathematical model of social selection favoring reduced aggression. Behavioral Ecology and Sociobiology 74, 91.
doi:10.1007/s00265-020-02875-4