In us, learning has led to the establishment of a completely new kind of evolution - cultural evolution - which has largely supplanted biological evolution as a means of transmitting knowledge and adaptations across generations. Our capacity for learning is so remarkably developed that human societies change almost exclusively by cultural evolution. In fact there is no strong evidence of any biological change in the size or structures of the human brain since Homo Sapiens appeared in the fossil record some 50,000 years go. All human accomplishments, from antiquity to modern times to modern times, are the product of cultural evolution, and therefore memory. - Reductionism in Art and Brain Science, Eric R. Kandel Page 44
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