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Brain can speak by itself, scientists claimRSS Feed
People who have been severely paralysed by a brain injury may be able to speak simply by thinking, according to new research.
Scientists have managed to attach micro electrodes to the brains of patients who suffer from so-called locked-in syndrome, where their brains are functioning but cannot communicate with anyone.
Signals from the brain were then decoded into simple words such as yes, no, thirsty, hungry, more and less - all terms that may be useful to patients.
Although it may be years before clinical trials may be possible, the research offers hope to people who cannot talk due to paralysis.
Bradley Greger, assistant professor of bioengineering at the University of Utah, which was behind the study, said: "This is proof of concept. We've proven these signals can tell you what the person is saying well above chance.
"But we need to be able to do more words with more accuracy before it is something a patient really might find useful."
Locked-in syndrome is caused by a brain stem lesion in which the anterior part of the pons is damaged.
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