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Watch: Man controls a robotic arm with his thoughts
Watch: Man controls a robotic arm with his thoughts

The day Erik Sorto reached out to grab himself an ice cold beer was a major step forward for brain science. Sorto is quadriplegic and has been unable to move his own limbs since a bullet wound severed his spinal cord 12 years ago. In the years since his injury, Sorto managed to attend college and write a gang prevention book, but one thing that frustrated the 34-year-old most of all was that he couldn't pick up a cold one and drink it at his own pace without having to ask a caregiver for help. "Drinking a beer by myself gives me hope that somehow in the future I can regain a lot more independence," he said. Sorto still can't move his own arms and legs,...

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