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225 | Michael Tomasello on The Social Origins of Cognition and Agency

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

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Evolution of Human Communication and Gestures

The evolution of human communication suggests that language as a conventional symbol system is not the first step. Uniquely human gestures such as pointing and iconic gestures indicate a halfway point in communication evolution. Pointing depends on common ground and context to convey specific meanings, such as indicating a piece of wood for spear-making or pointing out berries.

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