About the Authors
- Wataru Sato
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* E-mail: sato.wataru.4v@kyoto-u.ac.jp
Affiliation The Hakubi Project, Primate Research Institute, Kyoto University, Aichi, Japan
- Tomomi Fujimura
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Affiliation ERATO, Okanoya Emotional Information Project, Japan Science and Technology Agency, Wako, Saitama, Japan
- Takanori Kochiyama
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Affiliation The Hakubi Project, Primate Research Institute, Kyoto University, Aichi, Japan
- Naoto Suzuki
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Affiliation Department of Psychology, Graduate School of Letters, Dosisha University, Imadegawa, Kamigyo-ku, Kyoto, Japan
Competing Interests
The authors have read the journal's policy and have the following conflicts: This study was supported by funds from the JSPS Grants-in-Aid for Scientific Research, the JSPS Funding Program for Next Generation World-Leading Researchers, and the Benesse Corporation. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: WS TF NS. Performed the experiments: WS TF. Analyzed the data: WS TF TK. Contributed reagents/materials/analysis tools: WS TF TK NS. Wrote the paper: WS TF TK NS.