translation.en: When the arm was intact, but paralyzed, the brain sends commands to the arm, the front of the brain, saying, "Move," but it's getting visual feedback saying, "No."
translation.zh: 当手臂完好但麻痹的时候， 大脑向手臂发送指令，前脑命令“移动”， 但视觉反馈却说“动不了”；