About the Authors
- Michael Haslam
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* E-mail: michael.haslam@rlaha.ox.ac.uk
Affiliation Research Laboratory for Archaeology and the History of Art, University of Oxford, Oxford, United Kingdom
- Michael D. Gumert
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Affiliation Division of Psychology, School of Humanities and Social Sciences, Nanyang Technological University, Singapore, Singapore
- Dora Biro
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Affiliation Department of Zoology, University of Oxford, Oxford, United Kingdom
- Susana Carvalho
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Affiliation Research Laboratory for Archaeology and the History of Art, University of Oxford, Oxford, United Kingdom
- Suchinda Malaivijitnond
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Affiliation Primate Research Unit, Department of Biology, Chulalongkorn University, Bangkok, Thailand
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: MH MG SM. Performed the experiments: MH MG DB. Analyzed the data: MH MG DB. Wrote the paper: MH MG DB SC SM.