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    An observation of a severely disabled infant chimpanzee in the wild and her interactions with her mother

    We report the physical and behavioral development of one severely disabled female infant chimpanzee (Pan troglodytes schweinfurthii) of the well-habituated M group in the Mahale Mountains National Park. We docume...

    Takuya Matsumoto, Noriko Itoh, Sana Inoue, Michio Nakamura in Primates (2016)

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    Acquisition and memory of sequence order in young and adult chimpanzees (Pan troglodytes)

    There is no research about age difference in the process of sequential learning in non-human primates. Is there any difference between young and adults in sequential learning process? Six chimpanzees (Pan troglod...

    Sana Inoue, Tetsuro Matsuzawa in Animal Cognition (2009)

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    Family resemblances facilitate formation and expansion of functional equivalence classes in pigeons

    Four pigeons were given repeated reversal training and testing with photographs of human faces constituting two categories structured by family resemblances, each consisting of a prototype, good exemplars, and...

    Masako Jitsumori, Naoki Shimada, Sana Inoue in Learning & Behavior (2006)