尽管外界没有音响刺激,但机体仍能听到声音的现象叫做耳鸣。许多健康人也会有一时性的耳鸣,但如果耳鸣持续存在,就会产生严重的不快感或心理上的痛苦。大多数耳鸣完全是自觉性的,从外面是听不到的。但也有少数耳鸣是属于他觉性的,如血管球瘤产生的血管性耳鸣;听小骨肌肉、耳管开大肌收缩产生的肌原性耳鸣等。许多自觉性耳鸣,往往伴有感音性重听,根据病变部位的不同,可以把它分为内耳性 Although the outside world does not have acoustic stimuli, but the body can still hear the sound of the phenomenon known as tinnitus. Many healthy people also have temporary tinnitus, but if tinnitus persists, it can cause serious displeasure or psychological distress. Most tinnitus is completely conscious and can not be heard from the outside. But there are also a few tinnitus belongs to his consciousness, such as vascular tinnitus produced by glomus; listen to the small bone muscles, ear muscle contraction caused by myogenic tinnitus and so on. Many conscious tinnitus, often accompanied by sensorious re-hearing, according to the different parts of the lesion, it can be divided into the inner ear