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Originally Posted by bbc
A sensor implanted in a paralysed man's brain has enabled him to control objects by using his thoughts alone.
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Basically, this guy is paralysed from the neck down (due to being knifed in the neck). His brain, and motor cortex are fine though. Scientists implanted a chip which interprets the signals from the motor cortex (the brain area responsible for voluntary movement control) and translates them to mouse movements on the screen. Apparently, it only took a few minutes of training before the patient was able to control the mouse/computer. Fantastic!
(Unfortunately, it didn't work that well with an older patient though.)
http://news.bbc.co.uk/1/hi/health/5167938.stm