Mind to motion
Brain-computer interfaces promise new freedom for the paralyzed and immobile
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2013/11/exoskeleton_opener.jpg?fit=860%2C460&ssl=1)
WALKING WITH ROBOTS Spinal cord–injury patient Gene Alford takes a supported step in NeuroRex, a thought-controlled robotic walking device. An electrode cap detects electrical signals from his brain that, decoded by a computer, tell the device to move.
Felix Sanchez