Mind over machine

People control a computer through electrodes implanted in their brains

2:32pm, October 27, 2010

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Using nothing but thoughts, people can coax a brain cell that likes Marilyn Monroe to overpower a Josh Brolin–favoring cell in a dominance battle that brings her image up on a computer screen, a study appearing October 28 in Nature shows. The paper expands on data presented last year at the Society for Neuroscience’s annual meeting in Chicago (SN: 11/21/09, p. 9) and shows how the brain makes choices about what to pay attention to in a sensory-rich world.    

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