About the Authors
- Kimberley J. Hockings
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*To whom correspondence should be addressed. E-mail: k.j.hockings@stir.ac.uk
Affiliation Department of Psychology, University of Stirling, Stirling, Scotland
- Tatyana Humle
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Affiliation Department of Psychology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
- James R. Anderson
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Affiliation Department of Psychology, University of Stirling, Stirling, Scotland
- Dora Biro
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Affiliation Department of Zoology, University of Oxford, Oxford, United Kingdom
- Claudia Sousa
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Affiliation Department of Anthropology, New University of Lisbon, Lisbon, Portugal
- Gaku Ohashi
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Affiliation Primate Research Institute, Kyoto University, Kyoto, Japan
- Tetsuro Matsuzawa
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Affiliation Primate Research Institute, Kyoto University, Kyoto, Japan
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JA KH. Performed the experiments: KH DB TH CS GO. Analyzed the data: KH. Contributed reagents/materials/analysis tools: TM KH. Wrote the paper: JA KH. Other: Editorial contributions: TM CS DB TH.