期刊
JOURNAL OF COMPARATIVE PSYCHOLOGY
卷 122, 期 4, 页码 445-448出版社
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/a0012624
关键词
self-control; food preference; inhibitory control; choice
资金
- Carnegie Trust for the Universities of Scotland (JRA)
- JSPS Grant-in-aid for Scientific Research [17300085]
- 21st-Century COE Program, D-10 to Kyoto University
Capuchin monkeys (Cebus apella) were tested on a reverse-reward task involving different quantities of the same food, or an identical quantity of different foods. All monkeys tested first on the qualitative version spontaneously mastered the task, whereas only one of four spontaneously mastered the quantitative version. No monkey reached criterion when the tasks were switched, although almost all did so following remedial procedures after the study. The results suggest that (a) qualitative reverse-reward is easier than quantitative versions of the problem, (b) quality and quantity dimensions are processed differently in food-related tasks, and (c) capuchin monkeys can show rapid and spontaneous learning of reverse-reward contingencies.
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