London: Scientists have claimed that the human brain may have reached its full capacity and can`t get cleverer. A team at Cambridge University, led by Professor Simon Laughlin, says this is because the people are unable to provide the amount of extra energy and oxygen needed to become more intelligent.
In their research, the team measured the efficiency with which different parts of the brain communicated with each other and found impulses travelled fastest in smarter people and slower in those who were less intelligent. "High integration of brain networks seems to be associated with high IQ. You pay a price for intelligence. Becoming smarter means improving connections between different brain areas but this runs into tight limits on energy, along with space for the wiring," Ed Bullmore, team member, said.Bureau Report
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