Can Your Thoughts Control a Machine?

The melding of man and machine has long been a staple of science fiction, now Cyberkinetics plans to implant a tiny chip in the brains of five paralyzed people in an effort to enable them to operate a computer by thought alone. The implants could eventually help people with spinal cord injuries, strokes, Lou Gehrig's disease or other ailments to communicate better or even to operate lights and other devices through a kind of neural remote control. To implant the chip, a small hole will be cut in the patient's skull, above the ear. The chip, which measures about 2 millimeters (or just under one-tenth of an inch) square, will be placed on the surface of the brain at the motor cortex, which controls movement.

New York Times April 13, 2004

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