I always wanted to control a computer with my mind, and this week I got to do just that. I was at the Wadsworth Center in Albany, where brain injury researcher Jonathan Wolpaw is developing a computer-brain interface system that allows people who are paralysed communicate with their loved ones through a computer screen.
I typed text on a computer with my thoughts
The system itself is surprisingly simple. The first step is to don a hat resembling a swim cap that records brain activity thanks to a set of gel-filled electrodes embedded in the fabric. Then you’re asked to concentrate on a specific letter within a matrix of other letters on a computer screen. Each letter displays a unique flashing pattern, so when you focus on one, your...
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