A promising breakthrough in brain-computer interface technology reported in Nature details how electrical brain activity can be transformed into virtual speech. By decoding the brain waves in the area devoted to vocal intention, the new technology can generate speech at the rate of 150 words per minute, the pace of natural speech. Previous brain interface communication systems have produced an average of 8 words per minute. Although not ready for prime time, this is a promising technology with the potential to benefit those with a range of neurologic conditions.
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