인간처럼, 유인원은 인사하기 위해 의사 소통합니다., 연구 결과

사람들처럼, chimpanzees and bonobos aren’t ones for leaving without saying goodbye.

유인원은 의도적으로 신호를 사용하여 사회적 상호 작용을 시작하고 종료합니다. — behaviors not typically seen outside of humans until now, 새로운에 따르면 study published in the journal iScience.
Researchers analyzed more than 1,200 interactions with groups of chimps and bonobos in zoos and found that they commonly exchange gazes or swap gestures to share their intentions about social interactions. Those gestures included touching each other, holding hand and even butting heads.
    Bonobos exchanged “안녕하세요” signals prior to playing 90% of the time and chimps 69% of the time, 에 따르면 연구, and goodbyes were even more common.
      Scientists say the apesability to signal hellos and goodbyes indicates something much bigger than politeness. It shows that chimpanzees and bonobos can communicate a mutual sense of obligation towards each other.
        In humans, 그 (sense of mutual obligation) bears witness of joint commitments,” said the study’s lead author Raphaela Heesen, a postdoctoral researcher at Durham University in the United Kingdom. “That underpins all kinds of joint interactions, including small scale ones — 예를 들면, you having lunch with your friends, or large scale ones, like big projects.
        Apes' hellos and goodbyes show that the animals can communicate mutual agreements and joint committments with each other.

        It’s like the glue of our success as a species, and that groundwork is present as well in bonobos and chimps as well,” Heesen told CNN.
          Unlike previous studies, the researchers proposed that joint commitments are not only based on a feeling of obligation but also based on the process of mutually setting up the agreement and agreeing that it’s been fulfilled. That’s why Heesen says it’s significant that apes communicate with each other when they intend to begin and end interactions, such as playing or grooming.
          그만큼 power dynamics and familiarity between two primates also played a role in how much of a “안녕하세요” 또는 “안녕” the animals offered up.
          When they were iterating with a good friend, they produced shorter entry and exit phasesand they often didn’t even communicate at the end of an interaction,” Heesen added. “And we know that from our daily lives too, 권리? If we’re interacting with a good friend, we don’t have that kind of politeness.
          Heesen added that more research is needed to find out if other species also communicate the end of social interactions.
          We previously thought that humans were the only species that coordinate those entry and exit phases of interactions,” 그녀가 말했다. “It hasn’t been systematically studied whether other species also take leave of each other like we do. We know that other species initiate interactions, so the ‘entry phaseis common among other animals.
          Clare Redfern, a senior bonobo keeper at the UK’s Twycross Zoo who was not affiliated with the study, said scientists and zookeepers have long known that apes greet each other, but new research is enhancing their understanding of the animalsbehaviors.
          From the first sightings of these animals in the wild it has been obvious that these species greet each other; 하나, now that more studying is taking place about the species, more subtle behaviors have been picked up by researchers,” Redfern told CNN in an email. “The bonobosbehaviors are a lot more subtle than that of the chimpanzees, whose gestures are more obvious, so some smaller gestures can be easily missed as they are subtle and happen very quickly.
          The gestures we [commonly] notice with our bonobo groups are holding hands out to each other and also presenting body parts,” said Redfern.
            She added thateye contact and gaze holding are extremely important in bonobo behavior, which allows individuals to form a closer bond with one another.
            그만큼 에스tudy authors also say more research is needed into the origins and evolution of joint commitment behaviors in both humans and other species.

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