Great audio content on this fantastic advance from NPR: http://www.npr.org/player/v2/mediaPlayer.html?action=1&t=1&islist=false&id=152319326&m=152319362
Video from the Nature (magazine) article that's generated so much buzz:
And the article: "Mind-controlled robot arms show promise"
"...Two people who are unable to move their limbs have been able to guide a robot arm to reach and grasp objects using only their brain activity, a paper in Nature reports today1.
The study participants — known as Cathy and Bob — had had strokes that damaged their brain stems and left them with tetraplegia and unable to speak. Neurosurgeons implanted tiny recording devices containing almost 100 hair-thin electrodes in the motor cortex of their brains, to record the neuronal signals associated with intention to move..."
Read the full article at its source: http://www.nature.com/news/mind-controlled-robot-arms-show-promise-1.10652
ALSO - An older video showing a similar approach:
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