We hear when the cochlea, in the inner ear, stimulates the auditory nerve. 当内耳中的耳蜗刺激听神经时,我们便可以听见声音。
Cochlear implants bypass the damage by receiving and converting sound into signals sent along electrodes to cells adjacent to the auditory nerve. 而人工电子耳的功用,在于可以将接收到的声音转换成讯号,沿著电极越过受损的区域,传送到毗连听神经的细胞。