Logo-Groupe-The-Lancet-Neurology-250Once just a science-fiction notion, the idea of controlling machines with thought alone is now a reality. With the proof-of-concept phase in the past, researchers think that brain—computer interface technology should now move from the laboratory into people’s lives. Patricia Luna reports.

Incredible as it might sound, several dozens of people around the world can type on a keyboard, write an email, search the internet, move a wheelchair, or control a prosthetic arm just by thinking. Control of ma …

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