If you decide to raise your hand, those are motor neurons telling the muscles what to do.
如果你要举手，这些运动神经元会告诉肌肉该做些什么？
2
Patients with extended phantoms showed activity in the hand area of a part of the brain called the motor cortex, which is responsible for controlling movement.
患有延展性幻觉的病人在大脑控制手部运动的区域——运动皮层表现活跃。
3
The technique relies on two chip implants, one in the brain (monitoring motor commands) and one in the hand for more control.