Dr. Donald Leslie, medical director at the Shepherd Center in Atlanta, has high hopes.

"We want to cure paralysis," he said. "We want to stop spinal cord injury. How incredible would that be?"

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Although Atchinson's role was only to prove the procedure is safe, he believes it's already working. "I can feel that," Atchinson said, pulling the hair on his legs.

After six months of the therapy, he said, he's able to sense weight when he places heavy items on his lap. It's barely there, Atchinson said, but he can sense something.

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