Scientists reported yesterday that a paralyzed man with a small sensor implanted in his brain was able to control a computer, a television set and a robot using only his thoughts. This has been possible by using an implant called BrainGate that detects the electrical signals emitted by neurons in his motor cortex by which various activities such as increasing and reducing the volume in a television, change the channel etc has been possible.
The sensor measures 4 millimeters by 4 millimeters — less than a fifth of an inch long and wide — and contains 100 tiny electrodes. The device is implanted in the motor cortex responsible for arm movement and was connected to a pedestal that protruded from the top of his skull.
An amazing discovery that will help many a people in the future. Do read about this amazing work in the NYTimes article
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