Testing how chimpanzees navigate in virtual environments could help researchers understand why they prefer certain routes in the wild over others
Chimpanzees in a zoo have been trained to use a touchscreen to navigate a virtual environment and seek out objects. Studies like this could help us learn more about how our close relatives find their way around in the jungle.at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany. “But we know very little about the navigation of most primate species.” This is largely because chimpanzees are difficult to track in the wild, Allritz says.
Over several weeks, Allritz and his colleagues trained six chimpanzees at Leipzig Zoo to use a touchscreen and play a video game in which they had to navigate to a tree to find a piece of fruit. When they did this, they were rewarded with a real fruit. The chimpanzees were given 10 minutes at a time with the game until they learned how to move in the virtual environment. The primates could refuse to take part at any time and all had used touchscreens previously.
With practice, all six chimps could complete both tasks. But only three improved the efficiency of their routes with practice in the first task. “There could be many reasons for this,” Allritz says. “Some chimpanzees may have been better at recognising the landmark or they may simply have been less clumsy in using the touchscreen controls.”
Allritz says the study was ultimately about proving that chimpanzees could interact with a virtual environment that looked like a real-world setting. “The chimpanzees could have just walked around in circles,” he says. at the University of Texas says such experiments let us study chimpanzees in a way that can’t be done in the wild. “So in general I think that captive primate work is very worthwhile,” she says.
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