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| Quadriplegic Heide Pfützner painted this picture via computer. |
A computer program "reads" people's brainwaves to create the pictures they're imagining. Currently, the technology uses an electrode-embedded cap, but scientists are hoping to be able to implant electrodes directly into the cortex, which would allow for faster and more accurate decoding (story, video):
http://www.telegraph.co.uk/science/science-news/10065887/Painting-through-the-power-of-thought-enabled-by-scientists.html
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