俗话说:“十聋九哑”,反映了聋与哑的关系,即聋是因,哑为果,正是由于听力障碍导致了语言障碍。临床研究表明,聋哑人不会说话,并不是发音器官异常,更不是所谓舌头的问题。其根本原因是因为小儿根本听不到任何声音,无法学习说话。因为人类的语言是后天学习来的。耳聋的原因分为先天性耳 As the saying goes: “Ten deaf and nine dumb” reflect the relationship between deaf and dumb, that is, deafness is due to dumbness, it is precisely because of hearing impairment has led to language barriers. Clinical studies show that deaf people can not speak, not the abnormal voice organs, but not the so-called tongue problem. The fundamental reason is because children do not hear any sound, can not learn to speak. Because human language is learned from the day after tomorrow. The cause of deafness is divided into congenital ear