Long-tailed macaques display unexpected waiting abilities in exchange tasks

Our results indicate that long-tailed macaques anticipated the duration of delays

Marie Pelé

2009

Scholarcy highlights

  • The ability of animals to delay gratification is crucial for complex goal-directed action
  • Subjects had to keep a small piece of cookie before returning it to an experimenter in order to get a larger food amount
  • Results showed that animals could wait between 10 s and 10 min depending on individual and sizes of reward
  • Subjects were presented with an accumulation of food pieces added at short intervals until they seized them
  • Our results indicate that long-tailed macaques anticipated the duration of delays

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