Chimpanzees help each other upon request S Yamamoto, T Humle, M Tanaka PLoS One 4 (10), e7416, 2009 | 275 | 2009 |
Chimpanzees’ flexible targeted helping based on an understanding of conspecifics’ goals S Yamamoto, T Humle, M Tanaka Proceedings of the National Academy of Sciences 109 (9), 3588-3592, 2012 | 265 | 2012 |
Basis for cumulative cultural evolution in chimpanzees: social learning of a more efficient tool-use technique S Yamamoto, T Humle, M Tanaka PLoS One 8 (1), e55768, 2013 | 118 | 2013 |
Empathy and fairness: Psychological mechanisms for eliciting and maintaining prosociality and cooperation in primates S Yamamoto, A Takimoto Social Justice Research 25, 233-255, 2012 | 116 | 2012 |
Do chimpanzees (Pan troglodytes) spontaneously take turns in a reciprocal cooperation task? S Yamamoto, M Tanaka Journal of Comparative Psychology 123 (3), 242, 2009 | 111 | 2009 |
The influence of kin relationship and reciprocal context on chimpanzees' other-regarding preferences S Yamamoto, M Tanaka Animal Behaviour 79 (3), 595-602, 2010 | 98 | 2010 |
Non-reciprocal but peaceful fruit sharing in wild bonobos in Wamba S Yamamoto Behaviour 152, 335-357, 2015 | 76 | 2015 |
Intergroup Transfer of Females and Social Relationships Between Immigrants and Residents in Bonobo (Pan paniscus) Societies T Sakamaki, I Behncke, M Laporte, M Mulavwa, H Ryu, H Takemoto, ... Dispersing primate females: life history and social strategies in male …, 2015 | 71 | 2015 |
Domestic horses send signals to humans when they face with an unsolvable task M Ringhofer, S Yamamoto Animal cognition 20 (3), 397-405, 2017 | 69 | 2017 |
How did altruism and reciprocity evolve in humans?: perspectives from experiments on chimpanzees (Pan troglodytes) S Yamamoto, M Tanaka Interaction Studies 10 (2), 150-182, 2009 | 62 | 2009 |
Invention and modification of a new tool use behavior: ant‐fishing in trees by a wild chimpanzee (Pan troglodytes verus) at Bossou, Guinea S Yamamoto, G Yamakoshi, T Humle, T Matsuzawa American Journal of Primatology: Official Journal of the American Society of …, 2008 | 62 | 2008 |
Primate empathy: three factors and their combinations for empathy‐related phenomena S Yamamoto Wiley Interdisciplinary Reviews: Cognitive Science 8 (3), e1431, 2017 | 56 | 2017 |
Spatial positioning of individuals in a group of feral horses: A case study using drone technology S Inoue, S Yamamoto, M Ringhofer, RS Mendonça, C Pereira, S Hirata Mammal Research 64, 249-259, 2019 | 40 | 2019 |
Bonobos: Unique in mind, brain, and behavior B Hare, S Yamamoto Oxford University Press, 2017 | 40 | 2017 |
Aerial drone observations identified a multilevel society in feral horses T Maeda, S Ochi, M Ringhofer, S Sosa, C Sueur, S Hirata, S Yamamoto Scientific Reports 11 (1), 71, 2021 | 35 | 2021 |
Comparison of the social systems of primates and feral horses: data from a newly established horse research site on Serra D’Arga, northern Portugal M Ringhofer, S Inoue, RS Mendonça, C Pereira, T Matsuzawa, S Hirata, ... Primates 58, 479-484, 2017 | 33 | 2017 |
Herding mechanisms to maintain the cohesion of a harem group: Two interaction phases during herding M Ringhofer, CK Go, S Inoue, R S. Mendonça, S Hirata, T Kubo, K Ikeda, ... Journal of Ethology 38, 71-77, 2020 | 27 | 2020 |
Divergent effects of oxytocin on eye contact in bonobos and chimpanzees J Brooks, F Kano, Y Sato, H Yeow, N Morimura, M Nagasawa, T Kikusui, ... Psychoneuroendocrinology 125, 105119, 2021 | 26 | 2021 |
Uniting against a common enemy: Perceived outgroup threat elicits ingroup cohesion in chimpanzees J Brooks, E Onishi, IR Clark, M Bohn, S Yamamoto PloS one 16 (2), e0246869, 2021 | 23 | 2021 |
Lateral position preference in grazing feral horses S Inoue, S Yamamoto, M Ringhofer, RS Mendonça, S Hirata Ethology 126 (1), 111-119, 2020 | 23 | 2020 |