AvatarNoel Shrumflipped into PicksBrain-computer interface reverses paralysis in stroke victimsverified_publisherReuters - Ben GruberSt. Louis, Missouri - After three strokes that left the right side of his body paralyzed, Rick Arnold told his wife Kim that he had just one wish. "All I really wanted to do was to be able to hold her hand. In the very beginning, it was to hold her hand," said Arnold, a paramedic firefighter from …