Researchers analyzed thousands of gestures from wild chimpanzees in East Africa and found that the animals' hand signals are strikingly similar to human conversations, especially in terms of reaction time. Watchman.
Accordingly, the characteristics of communication between humans and apes are of ancient origin and may have evolved in parallel. Dr Gal Padhedi, an ethologist at the University of St Andrews, explained that human speech follows strict rules that are consistent across cultures and languages.
Accordingly, he and his colleagues wondered whether chimpanzee communication was governed by its own rules, or by rules similar to human conversations?
Monkeys communicate with each other using a rich repertoire of hand gestures, which they can signal to each other such as: “stop”, “follow” or “catch up”.
The ethologists studied more than 8,500 recorded gestures from 252 wild chimpanzees in five wildlife communities in East Africa. Most interactions were brief, though some were longer, with a maximum of seven hand gestures.
In these exchanges, the monkeys typically took 120 milliseconds to respond to each other, which is similar to the average human conversational reaction time of 200 milliseconds.
Badihi also said that chimpanzees use gestures.
- avoid confrontation
- Greetings to each other
- makeup after fight
- You may ask about food or company.
Most gestures are exchanged when hugging and caring for each other, in which case they often signal each other to change positions or body areas.
There were no differences in reaction times between chimpanzees of different ages, but there were differences between different chimpanzee communities, much like the subtle cultural differences found in humans.
For example, in the Sonso chimpanzee community in Uganda, communication gestures alternated more slowly, the Danes of the chimpanzee world—because among the different nations, the Danes proved to be the slowest of all people. Since humans and chimpanzees are both great apes, fast communication may be our shared evolutionary heritage, but it can also occur in other species, such as whales, dolphins, bats, and hyenas.
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