Washington: In what could let severely paralysed people speak with their thoughts, scientists claim to have found evidence that the human brain speaks.In a study, a team at University of Utah translatedbrain signals into words using two grids of 16 microelectrodesimplanted beneath the skull but atop the brain, `The Journalof Neural Engineering` reports.
In their study, the scientists showed the feasibilityof translating brain signals into computer-spoken words. They placed grids of tiny microelectrodes over speech centres in the brain of a male volunteer with severe epileptic seizures. The man already had a craniotomy - temporary partial skull removal - so doctors could place larger, conventional electrodes to locate source of his seizures and stop them.PTI
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