The Defective Color Vision in Juvenile Goldfish Does Not Depend on Used Training Task as the Measure of Discrimination : A Two-choice Response Measure

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Color discrimination ability of juvenile goldfish (Carassius auratus) was measured using a Y-maze training technique to test whether the defective color vision in juveniles found in a previous study [10] would be similarly observed using another training paradigm. The discrimination ability of juveniles was compared with that of adults that had been previously obtained with the same training paradigm [9]. Although the juveniles trained with green and red discriminative stimuli (colored papers) showed good discrimination ability comparable to that of the adults, the juveniles had great difficulty in discriminating blue from both green and red while the adults did not. These results are in agreement with findings in the previous study [10] using a "go/no-go" task. The defective color vision of juveniles is clearly not task-dependent but is rather a general property originating from the developmental process of blue vision.
社団法人日本動物学会の論文
1993-06-15