The research is published in the journal Nature Communications. /rebates/&252fin-chimpanzee-hand-gestures-shaking-hands. "Previous findings in both wild and captive chimpanzees have indicated flexibility in their gestural production, but the more complex coordination task used here demonstrates the considerable cognitive abilities that underpin chimpanzee communication," she said. Sarah-Jane Vick of the University of Stirling, another of the study's collaborators, said the experiment highlights the brain power exhibited by the chimps. The ability of chimps to use pointing gestures to coordinate activity may have been an important building block in the evolution of language, said research collaborator Anna Roberts of the University of Chester This study adds to our understanding of how well chimpanzees can remember and communicate about their environment." Secondly, gesture characteristics may affect hand preference, such as the type of gesture, as shown in chimpanzees and gorillas 25,26,29,54,56, 57, or the sensory modality on which it is. Because of the openness of this paradigm, the findings illustrate the high level of intentionality chimpanzees are capable of, including their use of directional gestures. "The chimpanzees used gestures to recruit the assistance of an otherwise uninformed person and to direct the person to hidden objects 10 or more meters away. "It allows the chimpanzees to communicate information in the manner of their choosing, but also requires them to initiate and to persist in communication," Menzel said. The bonobo gestural repertoire overlaps by approximately 90 with that of the chimpanzee, but such overlap might not extend to meanings. Menzel said this "chimpanzee-as-director" tactic is a novel way to study primate behavior. Thus, in a broad approach on the origin of speech and its lateralization, the study of manual communicative gestures and their asymmetries in non-human primates. Researchers have recently catalogued the meanings of chimpanzee gestures, but little is known about the gesture meanings of our other closest living relative, the bonobo. The human experimenter did not know the location of the food beforehand, and the chimpanzees used gestures such a pointing to guide the human to the hidden location. Menzel and his colleagues devised a task where the coordination of the human and the two chimps was necessary to find the hidden food. Researchers from the University of Georgia found that chimps being tested on their ability to show a human the location of a hidden piece of food in a large outdoor area were able to communicate with gestures to point out the location of the food, an observation new to science.įor the experiment Charles Menzel, a senior research scientist at Georgia's Language Research Center, used a pair of language-trained chimpanzees and a human subject, testing how the chimps communicated with the human to find food. When trying to accomplish a specific goal, chimpanzees know how to use hand gestures to effectively communicate what they want, according to a new study.
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