translation.en: But actually if you look at melody, what you find is that there's very little cortical activity in implant users compared with normal hearing controls.
translation.zh: 但事实上我们来看一下人工耳蜗使用者听旋律时的反应， 我们会发现，和听力正常的人比起来， 他们的皮质活动非常少。