Relative pitch perception in Japanese monkeys (Macaca fuscata). |
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Authors: | A Izumi |
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Institution: | Department of Behavioral and Brain Sciences, Kyoto University, Inuyama, Aichi, Japan. aizumi@pri.kyoto-u.ac.jp |
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Abstract: | To investigate whether monkeys perceive relative pitch, the author trained 3 Japanese monkeys (Macaca fuscata) to detect changes from rising to falling contours of 3-tone sequences. Tone sequences were presented serially with transposition, so monkeys were urged to attend to cues other than the absolute frequency of a component tone. Results from probe tests with novel sequences showed that monkeys discriminated by the relative pitch when the frequency ranges of sequences were within the training range, showing a similar tendency as birds in previous studies (e.g., S. H. Hulse, J. Cynx, & J. Humpal, 1984). |
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