Monkey feeds self with brain-controlled robot arm - video

Here's a video of a monkey controlling a robotic arm with its brain. It uses the arm to feed itself. The idea is cool and has a lot of potential for disable people but the video is disturbing, because the monkey is locked in a plastic box. Link

Previously on Boing Boing:
• Monkeys treat robot arm as bonus appendage
• Monkey controls robot arm through neural interface