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David Premack

David Premack Ph.D. is emeritus professor of psychology at the University of Pennsylvania. A pioneer, with Ann, in chimpanzee language study, they showed why chimps cannot acquire human language. Premack proposed a theory of reward or reinforcement still used after forty years (Premack Principle), and introduced the concept of "Theory of Mind," a keystone of human social intelligence. His book "The Mind of an Ape," which he wrote with Ann Premack, summarized his work on animal intelligence and...See more

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