Music discriminations by carp (Cyprinus carpio) |
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Authors: | Ava R Chase |
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Institution: | (1) Department of Economics, University of Padova, Via del Santo 33, Padova, 35123, Italy |
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Abstract: | Studies using three koi (Cyprinus carpio) investigated discrimination of musical stimuli. The common protocol used a single manipulandum and a multiple continuous
reinforcement-extinction schedule signaled by music of the S+ and S− types in 30-sec presentations separated by a silent 15-sec
intertrial interval. In a categorization study, the fish learned to discriminate blues recordings from classical, generalizing
from John Lee Hooker (guitar and vocals) and Bach (oboe concertos) to multiple artists and ensembles. A control-by-reversal
test developed into a demonstration of progressive improvement in iterated reversal learning. The subjects next learned to
discriminate single-timbre synthesized versions of similar music. In the final study, which used melodies with the same order
of note-duration values, but with mirror-image orders of pitch values, one fish discriminated melodies with no timbre cues,
in contrast to results reported in rats. |
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Keywords: | |
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