Now showing items 1-5 of 5

    • Bonobos prefer individuals that hinder others over those that help 

      Krupenye, Christopher; Hare, Brian (2018-01-22) - Journal article
      Humans closely monitor others’ cooperative relationships [1, 2]. Children and adults willingly incur costs to reward helpers and punish non-helpers—even as bystanders [3, 4, 5]. Already by 3 months, infants favor individuals ...
    • Bonobos voluntarily hand food to others but not toys or tools 

      Krupenye, Christopher; Tan, Jingzhi; Hare, Brian (2018-09-12) - Journal article
      A key feature of human prosociality is direct transfers, the most active form of sharing in which donors voluntarily hand over resources in their possession. Direct transfers buffer hunter-gatherers against foraging ...
    • Eye tracking uncovered great apes' ability to anticipate that other individuals will act according to false beliefs 

      Kano, Fumihiro; Krupenye, Christopher; Hirata, Satoshi; Call, Josep (2017) - Journal article
      Using a novel eye-tracking test, we recently showed that great apes anticipate that other individuals will act according to false beliefs. This finding suggests that, like humans, great apes understand others' false beliefs, ...
    • No evidence for contagious yawning in lemurs 

      Reddy, Rachna B.; Krupenye, Christopher; MacLean, Evan L.; Hare, Brian (2016-09-01) - Journal article
      Among some haplorhine primates, including humans, relaxed yawns spread contagiously. Such contagious yawning has been linked to social bonds and empathy in some species. However, no studies have investigated contagious ...
    • A test of the submentalizing hypothesis : apes' performance in a false belief task inanimate control 

      Krupenye, Christopher; Kano, Fumihiro; Hirata, Satoshi; Call, Josep; Tomasello, Michael (2017-09) - Journal article
      Much debate concerns whether any nonhuman animals share with humans the ability to infer others' mental states, such as desires and beliefs. In a recent eye-tracking false-belief task, we showed that great apes correctly ...