关于中枢掩蔽及掩蔽的临床应用探讨.pdfVIP

26 1 V o. 26 N o. 1 2010 2 JOURNA L O F HUANG SH I INST ITUT E OF TECHNOLOGY Feb 20 10 : 1008- 8245( 20 10) 01- 0050 - 02 1 2 汪光明 阎 勇 1 2 ( 黄石市四医院耳鼻喉科, 湖北黄石 4 35006; 黄石矿物局医院, 湖北黄石 435003) : , ( CA S) , ( CM E) ; CM E, , CA S 40dBH L , , ; : ; ; : R764. 45 : A D iscussion on Clinical Application of CentralM asking and M asking 1 2 WAN G Guangm ing YAN Yong 1 ( O to aryngo og ica D epartm ent, H uangsh i No. 4 H osp ita, H uangsh iH ube i4 35006; 2 H uangsh iM ining Bureau H osp ita, H uang shi H ubei 435003) A bstrac t: T h is paper d iscu sses gene rating mechan ism of centra m ask ing and m asking and exp ores the ir inf uence on aud itory org ans and the ir e ffective app ica tion. T he change of a g roup o f norm a adu ts contra atera m ask ing sound ( CAS) thresho d of sound in different in tensity w ith identica frequency and in diffe rent frequency w ith identica in tensity, that is the size o f centra m ask ing e ffect, is compared; m eanw h i e, the curativ e effects of a group of nervou s tinn itus pa tien ts w ith m ask ing treatm ent is tested. T he centra m ask ing e ffect has frequency spec if ic ity and intens ity spec if ic ity and the mask ing therapy can be app ied in the trea tm en t fo r tinn itu s. W ith the ex istance of centra m asking, if CAS 40dBHL, test consequence needs rev ising during pure tone thresho d. the m ask in