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

  title={Self-control and tool use in tufted capuchin monkeys (Cebus apella).},
  author={Theodore Avery Evans and Gregory Charles Westergaard},
  journal={Journal of comparative psychology},
  volume={120 2},
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… CONTINUE READING

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