茜茜在只有6个月大的时候,遭到了一场突如其来的厄运,她患了流行性脑脊髓膜炎,高烧不退……病愈后她的听力严重丧失,连鞭炮声也听不到,经检查,医生诊断为重度感应神经性聋。茜茜也是幸运的,北京协和医院人工耳蜗研究室为她安装了人工耳蜗,7岁的茜茜能象正常孩子那样打电话了。人耳之所以能听到声音,是由于耳朵有着特殊的结构。平时我们所看到的只是外部结构,如耳廊和外耳道。其实在内部还有二个部分,称作为中耳和内耳,中耳犹如 Sissi had a sudden fate when she was only 6 months old. She was suffering from epidemic cerebrospinal meningitis and had a fever. After her illness, her hearing loss was so severe that she could not hear the sound of firecrackers After examination, the doctor diagnosed as severe sensorineural hearing loss. Cici is also lucky, Peking Union Medical College Hospital Cochlear Laboratory installed for her cochlear implant, 7-year-old Cici can call like a normal child. The ear can hear the sound, because the ear has a special structure. Usually we see only the external structure, such as the ear canal and external auditory canal. In fact, there are two internal parts, called the middle ear and inner ear, like the middle ear