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KO12002001-20080331-0035.pdf
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Download
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:474.4 KB
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:Oct 24, 2011 |
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Total downloads since Oct 24, 2011 : 1614
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Sensibility in pigeons : do pigeons see "Beauty"?
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渡辺, 茂
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ワタナベ, シゲル
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Watanabe, Shigeru
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Centre for Advanced Research on Logic and Sensibility The Global Centers of Excellence Program, Keio University
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2008
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CARLS series of advanced study of logic and sensibility
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1
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2007
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35
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45
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We investigated whether pigeons could discriminate beauty in paintings in a way similar to humans. We classified children's paintings into good (beautiful) and bad (ugly) categories according to the evaluation of adults. We trained pigeons to discriminate these good and bad paintings using food rewards. When we tested them with new paintings, they could discriminate these novel good and bad paintings. Their discrimination was maintained in a test with paintings of reduced size, but decreased when black and white paintings were presented. The pigeons showed a decrement in discrimination depending on the degree of mosaic processing of the image. Thus, the pigeons used both color and pattern cues for their discrimination. Pigeons learned to discriminate watercolor from pastel paintings. These results show that the pigeons could learn a sensory category similar to the human category of beauty, and have a discriminative ability for complex visual stimuli such as paintings.
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Part 1: Brain and Evolution
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