Put On Your Thinking Cap
A monkey with a brain implant the size of a fingernail can move a cursor on a computer screen just by thinking. One day scientists may be able to implant similar chips in human brains so that we can control complex devices with our minds.
Humans have actually already been implanted with a device that allows mind control of a cursor, but the new implant, devised by John Donoghue, chairman of neuroscience at Brown University, is smaller and fewer neurons.
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