![]() ![]() So for example, the scientists would hide a treat of some kind a toy, or some food behind a box, while the test subjects looked on. And indeed, the kids were of an age 2 1/2 years old where it's widely known that they do perform about as well as chimps in such tests. The three groups performed about equally well on "physical learning" locating hidden objects, figuring out the source of a noise, understanding the concepts of more and less, using a stick to get something that's out of reach. ![]() Says Esther Hermann, a co-author of the paper: "It's the first time anything like this has been done." A team of anthropologists from the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, developed a battery of learning tests they call the Primate Cognition Test Battery, and gave it to 106 chimps, 105 children and 32 orangutans, to compare the groups directly. The cultural-intelligence hypothesis, by contrast, says that humans have specific areas of intelligence where we excel our brains are not just bigger, but also better than those of our nearest evolutionary relatives.Ī new study, published Thursday in Science, makes a strong case that the second theory is the right one. ![]() The general-intelligence theory says that our bigger and more complex brains give us an overall edge. Until now, there have been two competing ideas to explain why. Follow are smart, but humans are a lot smarter. ![]()
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