Using just her thoughts, a 58-year-old paralyzed woman instructed a robotic arm to grasp a cup of coffee and guide it to her mouth where she sipped from a straw, the first drink she has been able to serve herself in 15 years. The woman is one of two patients in the ongoing trial of BrainGate neural interface, an experimental brain-computer interface technology that may one day give paralyzed individuals more mobility.
