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By measuring what parts of a subject's brain was using oxygen, researchers at Bloorview Research Institute and the University of Toronto were able to determine the subject's preference between two objects with 80% accuracy. The researchers believe the brain is too complex to ever allow decoding of a person's random thoughts. This research was done to aid children who can't speak or move. Still, how long until someone tries to use the method for lie detection testing? Mind-reading technologies: are they a menace to a free society, or a specialized tool that enables communication for severely disabled people?
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