The Evolution of Human Intelligence: From Common Ancestor to Language
TLDR Human intelligence evolved slowly over time from a common ancestor with chimpanzees, with the use of hands and tools being important factors. Walking upright, brain plasticity, and the development of language also played significant roles in the development of human intelligence.
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Human intelligence did not suddenly appear during the upper Paleolithic revolution, but rather evolved slowly over time from a common ancestor with chimpanzees.
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Human intelligence evolved slowly over time from a common ancestor with chimpanzees, with the use of hands and tools being important factors in the development of human intelligence.
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Walking upright, or bipedalism, was a defining characteristic of hominids and likely evolved as a result of physiological changes that allowed early humans to survive climate change and find different food sources and shelters.
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The size of the brain does not directly correlate with intelligence, but there is a minimum brain size required for intelligence, and the ability for human babies to have delayed skull fusion allows for their brains to grow significantly after birth, leading to greater intelligence compared to chimps.
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Brain plasticity, the brain's ability to rewire and create new connections, is what explains human intelligence and the burst of intelligence that occurred 30 to 60,000 years ago, allowing for faster problem-solving and learning.
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Human intelligence evolved through the development and cross-referencing of specialized cognitive modules, allowing for problem-solving in various situations, and the ability to spatially map and remember the location of a child, leading to the development of language.
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Human intelligence evolved as a universal adaptation to various evolutionary pressures, allowing for problem-solving and the development of tools to exploit beneficial resources.
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The theory is that the use of fire and cooking food played a role in the development of human intelligence.
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The preference for cooked meat led to the consumption of more nutrients and calories, which contributed to the development of human intelligence.
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The key to the development of human intelligence is language, which allowed for coordination, cooperation, and the eventual recording of human history.
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