著者
友永 雅己
出版者
日本認知科学会
雑誌
認知科学 (ISSN:13417924)
巻号頁・発行日
vol.15, no.3, pp.347-357, 2008 (Released:2010-02-15)
参考文献数
28
被引用文献数
9

In this paper, I briefly summarize the research history on the (non-) emergence of symmetry in the chimpanzees of the Primate Research Institute, Kyoto University. The chimpanzee Ai, who had learned the visual artificial symbols (lexigrams), did not exhibited the spontaneous emergence of symmetry between name and objects, but showed gradual improvement during the repeated exposure of training-testing cycles. This repeated exposure effect on the emergence of symmetry was also observed in the other individual who were not “language-trained”. This chimpanzee also exhibited the control by exclusion, which is considered as another type of illogical biases in humans. Chimpanzees also showed significant effect of differential outcome and differential responding on symmetry. Conclusion so far is that chimpanzees show no emergence of symmetry immediately after the training of conditional discriminations. Repeated exposure of training-testing contexts, however, has critical effect on the emergence of symmetry. For the future direction, it is suggested to promote studying the symmetry bias during the causal reasoning not using traditional conditional discrimination paradigm from the comparative-cognitive perspective.

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[study][文化][言語]  友永 雅己 (2008). チンパンジーにおける対称性の(不)成立 . 認知科学, 15, 347-357 .

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その特集号で,友永雅己先生が「私が Sidman 型の刺激等価性をあきらめた後,認知科学者が Sidman を発見したのだろうか(当時は認知科学者たちが鼻で笑っていたのとは昔日の違いだ)」(p. 356)と書いてましたね(笑)。… https://t.co/0rTPT7tmsu

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