translation.en: Now the astonishing thing is, if you have pain in your phantom limb, you squeeze the other person's hand, massage the other person's hand, that relieves the pain in your phantom hand, almost as though the neuron were obtaining relief from merely watching somebody else being massaged.
translation.zh: 令人震惊的是， 当你患有幻肢痛时，你对他人的手掌 进行按摩时， 你的疼痛感便会减轻。 这是因为你的神经元 正获取他人被按摩时 所获得的舒适感。