People have used mind control to change images on a video screen, a study reports. The volunteers, whose brains were wired up to a computer, enhanced one of two competing images of famous people or objects by changing firing rates in individual brain cells.
The research, by Moran Cerf from the California Institute of Technology in Pasadena and his colleagues, demonstrates how our brains, which are constantly bombarded with images, noise and smells, can, through conscious thought, select what stimuli to notice and what to ignore (see video).
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