Chimpanzees use hand and mouth gestures to signal how far away something is just like humans

Mail Online | 11/15/2017 | Shivali Best For Mailonline
emilia (Posted by) Level 3
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From performing dramatic gestures to using words such as 'here' and 'there', humans use a range of techniques to locate objects.

And a new study suggests we may not be alone in using gestures to indicate distance.

Researchers - Chimpanzees - Gestures - Arms - Humans

Researchers found that chimpanzees also use such gestures, but rather than simply using their arms to point as humans would, the animals also open their mouths to indicate how far away something is.

Scientists from the Primate Research Institute of Kyoto University looked at whether chimpanzees can communicate about distance for the first time.

Chimpanzees - Primate - Research - Centre - Ability

Eight chimpanzees living at the Primate Research Centre were individually tested on their ability to convey different distances.

In the test, a human experimenter placed a piece of banana on one of two identical tables, before leaving the room.

Experimenter - Room - Chimpanzee

A second experimenter then entered the room, and engaged with the chimpanzee to see how they would react.

Regardless of their behaviour, the second experimenter gave the chimpanzee the banana within 15 seconds.

Control - Study - Experimenter - Chimpanzee - Food

In a control study, the second experimenter was absent, and the chimpanzee was left alone waiting for the food.

This was repeated 10 times, but with the banana placed at different locations around...
(Excerpt) Read more at: Mail Online
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