Self-control and tool use in tufted Capuchin monkeys (Cebus apella)

被引:44
|
作者
Evans, Theodore Avery [1 ]
Westergaard, Gregory Charles [1 ]
机构
[1] Alpha Genesis Inc, Yemassee, SC 29945 USA
关键词
tool; self-control; capuchin; Cebus apella;
D O I
10.1037/0735-7036.120.2.163
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
03 ; 0303 ; 030303 ; 04 ; 0402 ;
摘要
Self-control is defined as forgoing immediate gratification to obtain a greater reward. Tool use may relate to self-control because both behaviors may require foresight and deliberate control over one's actions. The authors assessed 20 capuchin monkeys (Cebus apella) for the ability to delay gratification in a tool task. Subjects were given rod-shaped food items that could either be consumed immediately or be carried to an apparatus and used to extract a more preferred food. The authors found that some monkeys were able to exhibit self-control. Monkeys with relatively more tool use experience demonstrated the greatest levels of self-control. These results indicate that capuchins are capable of delaying gratification when a higher quality reinforcer is present and that tool experience can influence levels of self-control in this task.
引用
收藏
页码:163 / 166
页数:4
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