It is physically impossible for human brain to become smarter as the human brain has already reached the physical limits of intelligence, researchers claim.
Researchers at the Cambridge University analyzed the structure of the human brain and worked out how much energy is used by its cells.
They that the human brain need huge amounts of additional oxygen and energy to become any more intelligent, but it can’t get that as it has already reached the physical limits.
Researchers even claim that the human brain could shrink in size over time, towards our Neanderthal ancestors, in order to reduce the amount of energy it needs.
Speaking on the topic, Professor Simon Laughlin said, “We have demonstrated that brains must consume energy to function and that these requirements are sufficiently demanding to limit our performance and determine design.”
Researchers also claim that the human brain’s network of fibres that link different areas to one another can’t get any better.
It is believed that the cleverest people have the best network of fibres, which carries messages very quickly from one part of the brain to others.
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