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Japanese macaques form a cross-modal representation of their own species in their first year of life |
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| Authors: | Ikuma Adachi Hiroko Kuwahata Kazuo Fujita Masaki Tomonaga Tetsuro Matsuzawa |
| Institution: | (1) Department of Psychology, Graduate School of Letters, Kyoto University, Yoshida-Honmachi, Sakyo, Kyoto 606-8501, Japan;(2) Japan Society for the Promotion of Science, Kyoto, Japan;(3) Section of Language and Intelligence, Primate Research Institute, Kyoto University, Kyoto, Japan |
| Abstract: | We tested whether infant Japanese macaques (Macaca fuscata) have a cross-modal representation of their own species. We presented monkeys with a photograph of either a monkey or a human face on an LCD monitor after playing back a vocalization of one of those two species. The subjects looked at the monitor longer when a human face was presented after the monkey vocalization than when the same face was presented after human vocalization. This suggests that monkeys recall and expect a monkey’s face upon hearing a monkey’s voice. |
| Keywords: | Cross-modal representation Japanese macaque (Macaca fuscata) Natural concept |
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