Davis & Bradford(1986)の課題を用いたラットの数の能力の検討(B-10)

概要

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We explored the numerical ability of rats by using Davis and Bradford's (1986) task. The task was to enter one box of defined ordinal number among an array of boxes in a large enclosure. The position of boxes and the total number of the boxes were varied from trial to trial. In Experiment 1, 3 of 4 rats correctly chose the 3rd box from arrays varied ranging from 3 to 12 boxes. In Experiment 2, the ordinal number of the correct box was increased in a stepwise fashion while the total number of boxes was simultaneously varied. Two rats succeeded even when the correct box was in position 7. These results suggest that the rat's performance was based on numerical cues, not on the relative position of the boxes.
日本基礎心理学会の論文
1999-09-30