Natural Gestures
The Premacks note that chimpanzees use some gestures with each other, which the trainers use to communicate with both the language-trained chimpanzees and the control chimpanzees.
- Requests for food
- hand cupped, palm upward, for a chimpanzee to place food in.
- extruding lips in supplication
- Appeasement
- One chimpanzee, trembling, hugged Premack at the beginning of his career, as if to appease him at the time of displaying outrage
- Grooming
- Eating
- Greeting
Read more about this topic: The Mind Of An Ape
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