Paralyzed man regains voluntary leg movement with electrode array implant

Paralyzed man regains voluntary leg movement with electrode array implant: "In a move that gives cautious hope to the millions of people suffering some form of paralysis, a team of researchers from UCLA, Caltech and the University of Louisville has given a man rendered paralyzed from the chest down after a hit-and-run accident in 2006 the ability to stand and take his first tentative steps in four years."