| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Outline of Final Research Achievements |
To better understand evolutionary origin of crossmodal correspondences, we examined if chimpanzees have such correspondences. Specifically we focuses on crossmodal correspondence between sound pitch and brightness and one between sound pitch and spatial position. Previous studies have shown that we human have to types of biases supporting crossmodal correspondences between sound p@itch and brightness. One is called attention bias which guide participants attention to corresponding brightness upon hearing a sound. The other is called perceptual bias, which shift subjective experience of brightness toward the corresponding brightness upon hearing a sound. Our research showed that chimpanzees have both biases similar to human and also have correspondences between sound pitch and spatial position.
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