There is something special about how human beings interact with each other that does differentiate them from these other great apes. So clearly, let's just get the claim very, very clear. There has to be something biological there also, because like you say, you can't bring the chimp into a house and raise it, and it'll just be human. And then I actually start my book on the evolution of human thinking with a metaphor. I say, it seems like thinking is something in the privacy of your own mind and it is. But it's like a jazz musician playing a jazz rift in his apartment by himself. Yes, he did it by himself. But he learned over many years
Human beings have developed wondrous capacities to take in information about the world, mull it over, think about a suite of future implications, and decide on a course of action based on those deliberations. These abilities developed over evolutionary history for a variety of reasons and under a number of different pressures. But one crucially important aspect of their development is their social function. According to Michael Tomasello, we developed agency and cognition and even morality in order to better communicate and cooperate with our fellow humans.
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Michael Tomasello received a Ph.D. in experimental psychology from the University of Georgia. He is currently the James Bonk Professor of Psychology & Neuroscience and Director of the Developmental Psychology Program at Duke University. He is a fellow of the National Academy of Sciences and the American Academy of Arts and Sciences. Among his awards are the Distinguished Scientific Contribution Award from the American Psychological Association, the Wiley Prize in Psychology, and the Heineken Prize for Cognitive Science. His newest book is The Evolution of Agency: Behavioral Organization from Lizards to Humans.
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