Nechinangwa chechinyorwa chino, tichaenda kunhepfenyuro yakaderera-sensorineural kunzwa kurasikirwa (kunzwa kurasikirwa kunokonzerwa nekunze kwemukati maziso emvere dzemawere). Iko kurasikirwa kwekunzwa kunokanganisa mararamiro 2000 Hz uye pasi. Idzi ndidzo dzakadzika midzi. Kurasikirwa kwekunzwa kuchema kunowanzozivikanwa se "reverse slope audiogram " nokuti mumwe munhu ane kucherecheka kwekunzwa kuterera kunogona kunzwa achiri kunzwa mumatunhu akakwirira.
Pamusana peizvi, vanhu vane kurasikirwa kwekunzwa kwekunonoka kazhinji vanogona kugona kunzwisisa mutauro zvakanaka.
Zvinokonzera Kutsika-Frequency Kunzwa Kurasika
I Kresge Hearing Research Institute yakashuma kuti kuchinja kweWFS1 geni (iyo Wolfram Syndrome geni) kunogona kukonzera kushandiswa kwepamusoro-soro kwekunzwa kurasikirwa kwekunzwa. Kushandurwa kunonzi Wolfram Syndrome 1. Zvimwe zvinokonzera kurasikirwa kwekunzwa kwekunonoka kunosanganisira Mondini dysplasia (a cochlear malformation), kukurumidza kunzwa kunzwa , chirwere chaMeniere , zvirwere zvehutachiona, kusagadzikana kwechirwere, uye kuchinja mumhepo inobatsira fistula (zvakadai se kusagadzikana kwepfungwa) kana mushure mokunge anesthesia yomusana.
Kuongororwa kweHot-Frequency Hearing Loss
Kurasikirwa kwekunzwa kuchema kunogona kushayikwa nokuti kunowedzera kusava nezviratidzo zvizhinji. Pasi pfupi inzwi rinenge risina ruzivo rwakawanda semanzwiro epamusoro-soro kuitira kuti vanhu vane kunzwa mukati nepamusoro-soro vese vashandise zvavanonzwa mune izvo zvivako zvekuti vaite izvo zvisinganzwi mumativi ezasi, nokudaro "masking "kurasikirwa kwekunzwa.
Munhu ane ruzivo rwakanyanya rwekunzwa ruzhinji anowanzokura mutauro uye mutauro kazhinji. Chimwe chemashoko mashomanana ekuderera kurasikirwa kwekunzwa ndeyekuti munhu ane dambudziko rekunzwa mumapoka kana munzvimbo ine ruzha. Muzviitiko zvakawanda, rudzi urwu rwekurasikirwa kwekunzwa huchaonekwa panguva yaunogara uchiongorora.
Kana pane mhuri yehutano hwekunonoka kwekunzwa kwekunzwa, iwe unofanirwa kuona mutori wenhau yepamusoro yehutano hwakakwana hwekuongorora uye kwete kuvimba chete nekunzwa kuongorora.
Iwe Unobata Sei Pasi-Kunzwa Kunzwa Kurasikirwa?
Izvo zvinoenderana nezvinhu zvipi munhu ane kunzwa kurasikirwa ari. Mune zvimwe zviitiko, kurapwa kungave kusingakoshi. Kune mamwe mazano akanaka ekunzwa anogona kushandiswa kuwedzera kukurudzira kumaodzanyemba asingatauri nzvimbo dzomunhu anonzwa kazhinji. Zvinonyanya kukosha, izvi zvinobatsira kunzwa zvinonzwika kuderedza ruzha uye maikorofoni akawanda anogona kuwedzera kutinzwa mumamiriro ezvinhu ane ruzha. Panewo dzimwe nzira dzakadai semakrofoni ari kure. Muteereri wako achakwanisa kukutungamirira mukusarudza teknolojia yakakodzera.
> Sources:
Kuk, Francis, Ph.D., Denise Keenan, MA, naCarl Ludvigsen, MS. Kuchinja Nenguva: Kutarisa Kuderera Kunowanikwa Kunonoka. Kunzwa Kuongorora November 2003. http://www.hearingreview.com/issues/articles/2003-11_04.asp.
Lesperance MM. WFS1 Gene Mutation neDolymorphism Database. Low-Frequency Hearing Loss. Kresge Hearing Research Institute. Human Genetics Laboratory.
Niskar AS, Kieszak SM, Holmes A, Esteban E, Rubin C, Brody DJ. Kuwanda kwekunzwa kurasikirwa pakati pevana 6 Makore emakore makumi maviri nemakore ezera: Chechitatu yeZimbabwe Health and Nutrition Examination Survey. JAMA. 1998 Apr 8; 279 (14): 1071-5.
> Hain, T (2015). Low-Frequency Sensorineural kunzwa kurasikirwa. Chizutu uye Kuenzanisa. http://www.dizziness-and-balance.com/disorders/hearing/low-frequency_snhl.html.
Yakarongwa naMelissa Karp, Au.D.