Tim Barribeau writes on io9.com
By placing electrode grids inside patients’ skulls, researchers at the Mayo Clinic have created a way for people to type words using only their brainwaves. It’s a major breakthrough for brain-computer interface research.
The experiments were undertaken on patients who already had electrodes in their brain to monitor epilepsy. Readings were taken via electrocorticography (ECoG), as the subjects were shown a grid of letters and numbers. As each symbol was illuminated, the patient was told to focus on the letter or number, and data was recorded. Once this calibration data was taken, the patients would think of a letter or number, and their brain waves would be appropriately translated to the screen. The theory is that this technique will allow people to communicate and type far more easily when they suffer from Lou Gehrig’s disease, MS, or paralysis.
Read More: io9.com
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