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IR Light Used to Read Minds

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TORONTO, Feb. 11, 2009 – A team of researchers at Bloorview Kids Rehab, Canada’s largest children’s rehabilitation hospital, has used optical brain imaging to develop a technique for decoding the preferences of those who cannot speak or move. The purpose of the method is to determine the choice of disabled children, with the goal of ultimately opening the world of options. By measuring the intensity of near-IR light absorbed in brain tissue, Bloorview scientists have demonstrated with 80 percent accuracy a person’s preference for one of two drinks. “This is the first system that decodes preference naturally from...Read full article

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    Published: February 2009
    Glossary
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    biomedical engineeringBiophotonicsBloorviewbody-talk researchbrain-computer interfacesCanada Researchchildren with disabilitiesdecoding a persons preferencefiber opticsinfrared lightIR lightnear-infrared light absorbed in brain tissueNews & Featuresoptical brain imagingpediatric rehab engineeringphotonicsportable near-infrared sensorpre-frontal cortexSensors & DetectorsTom ChauUniversity of Toronto

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