Tshawb tawm qhov paub tsis meej ntawm qhov tuag ntawm thaj chaw ntawm cochlea

Kuv ntseeg hais tias ntau tus kws kho mob tau ntsib qhov xwm txheej no thaum lub sijhawm sib tham los pab rau cov neeg mob. Los ntawm cov kab xev mloog, pob ntseg tsis hnov ​​zoo nyob hauv qhov pab kom hnov ​​lus zoo zoo, tab sis tom qab coj lub kho pob ntseg, tus neeg mob hais lus tsis zoo, txawm tias nce ntxiv thiab teeb meem hais lus tsis txaus siab. Qhov tshwm sim no qhia tias tus neeg mob yuav muaj cochlear tuag thaj chaw.

1Dab tsi yog cochlear tuag tsam?

Cochlear tuag tsamcochlear tuag
cheeb tsam
) hais txog cov plaub hau nyob sab hauv ntawm cochlea/Lossis ib thaj chaw uas hnov ​​cov hlab hlwb ua haujlwm tsis zoo thiab ua tsis tau haujlwm zoo. Yog li, cov ntaub ntawv tsim tawm los ntawm kev vibration ntawm lub qab daus daim nyias nyias ntawm cov chaw no tsis tuaj yeem xa mus rau hauv nruab nrab lub hauv nruab siab.

Cochlear tuag tsam

2Dab tsi ua rau thaj chaw tuag cochlear?

Qhov chaw tuag ntawm cochlea tej zaum vim muaj ntau yam xws li microcirculatory tsis meej ntawm lub pob ntseg sab hauv, ua rau cov ntshav tsis txaus nyob rau hauv cov kauv ganglion thiab cochlear sab hauv plaub hau hlwb, ua rau muaj kev hloov pauv pathological xws li poob ntawm cochlear neurons thiab kauv ganglion cell degeneration. Cov. Qhov ua tau, cov neeg mob hnoos qeev muaj qhov siab tshaj plaws ntawm qhov cochlear tuag thaj chaw, tom qab ntawd ua suab nrov thiab ua kom huam sai.

Cochlear tuag tsam

3Cov neeg mob zoo li cas yuav muaj cochlear qhov chaw tuag?

Cov ntaub ntawv muaj feem xyuam pom tias: hnov ​​lus> 70dBTshaj ntawm cochlear tuag cheeb tsam hauv cov neeg mob>50%.58.3%Cov neeg mob nrog sensorineural hnov ​​lus tsis hnov ​​qab muaj cochlear tuag thaj tsam;

Cov menyuam yaus thiab cov neeg laus uas tsis hnov ​​lus zoo lossis tsis hnov ​​lus zoo los ntawm lub ntsej muag tej zaum yuav muaj cheeb tsam tuag ua ke;

Qhov chaw tuag ntawm cochlea tsis muaj dab tsi ua rau tus poj niam thiab txiv neej thiab lub hnub nyoog ntawm tus neeg mob, thiab muaj feem xyuam rau cov neeg kawm ntawv ntawm qhov tsis hnov ​​thiab cov chav kawm ntawm tus kab mob. Qhov hnyav dua lub rooj sib hais, ncua sijhawm ntev dua ntawm tus kabmob, lub siab dua qhov kuaj pom ntawm cochlear tuag thaj chaw.

Cochlear tuag tsam

4Cov phom sij hauv cheeb tsam tuag cochlear yog dab tsi?

Lub chaw cochlear tuag thaj tsam cuam tshuam tus neeg mob hais lus lub suab, thiab nws yog qhov nyuaj rau qhov txawv ntawm kev hais lus tshaj li nyob hauv thaj chaw tuag tsis muaj tuag, tsis hais hauv qhov chaw ntsiag to lossis tsis muaj suab nrov.

Yog tias cov khoom siv sib hais yog siv rau hauv tus neeg mob nrog cochlear tuag thaj tsam, yog tias qhov nce ntxiv hauv thaj chaw tuag, nws yuav tsis txhim kho qhov pom tseeb ntawm kev hais lus kev hnov ​​ntawm lub pob ntseg tsis hnov, tab sis yuav txo qhov kev hais lus daws lub peev xwm.

Yog li no, kev tshawb pom ntawm thaj chaw tuag ntawm cochlea yog qhov tseem ceeb heev, uas yuav pab tau cov kws kho pob ntseg ua kom zoo dua ntawm lub pob ntseg pab rau cov neeg mob tsis hnov ​​lus.

Cochlear tuag tsam

5Yuav ua li cas los xyuas txog qhov tuag ntawm thaj chaw cochlea?

Tus xibfwb ntawm Kev Ntsuam Xyuas Kev Nkag Siab, Chav Haujlwm ntawm Kev Puas Siab Puas Ntsws, University of Cambridge, UK Brian CJ MooreTos rau2000Lub suab sib luag suab sib luagmuajKuaj), hom no yooj yim haum thiab yooj yim rau cov kws kho mob siv tshuaj ntsuam thiab ntsuas seb qhov chaw tuag cochlear puas nyob.

muajxeem:

Ua ntej, lub suab ntshiab hnov ​​lub luag haujlwm pib ntsuas (ntsuas ntshiab lub suab hnov ​​suab zoo pib), channel1Muab suab nrov, channel2Muab cov suab npog ntsej muag;

Kev sib xyaw ob-channel tso rau hauv lub pob ntseg sim kom ua tib lub ntsej muag (lub suab npog ntsej muag yog nyob rau tib sab ntshiab lub suab sib luag rau txoj kev xav)10dBLub suab nrov masking siv lub sijhawm no yogmuajlub zog);

txoj kev tsheb ciav hlau1Tswj lub suab ntshiab thiab tom qab ntawv ntsuas lub suab sib hais hauv qab daim npog;

Lub suab ntshiab pib ntsuas uas lub pob ntseg ntsuas hnov ​​tau yogmuajThreshold tus nqi

Xeem ib qho zaus thiab tom qab ntawv sim lwm zaus hauv tib qho kom txog thaum kawg ntawm kev ntsuas tom qab txhua qhov ntsuas txhua qhov ntsuas tau;

Kuaj zaus:

250,750,1000,1500,2000,3000,4000Hz.

1 Thaum hnov ​​hais tias lub quag ntawm ib qho zaus tsawg dua los sis sib luag ntawm ≤60dB, , ,muajLub zog yog teem rau70dBCov. Rau feem ntau cov neeg mob txoj kev siv no ua rau ntseeg tau yam tsis ua rau tsis xis nyob;

2 Thaum qee zaus ntawm qhov tsis hnov ​​lus ≥60dB, , ,muajQhov siv yog teem rau lub suab ntshiab pib ntawm qhov zaus+ 10dB;

3 yogmuajLub zog tsis yooj yim dhau los lossis tau mus txog qhov siab tshaj plaws90dBHL.muajQhov kev siv yuav muab teeb tsa sib npaug nrog cov ntshiab suab hnov ​​sib luag;

muajBroadband nrov nrov

muajKauj ruam me ntawm kev kuaj mob:2dB.muajThreshold kuaj thiabmuajLub nce qib ntawm lub zog yog2dB.

zoomuajLub zog: uamuajThreshold nce rau cov laus ntshiab kev pib kho10dBSaum toj nomuajLub zog muaj raws li qhov ntsuas.

Kev txiav txim ntawm cochlear tuag tsam:muajThreshold pivmuajsiab lub zog10dBThiab saum toj no.

Cochlear tuag tsam

6Yuav ua li cas rau cov neeg mob tuag ntawm thaj chaw hauv cochlea?

Rau cov neeg mob tsawg zaus cochlear tuag thaj tsam, txo qhov nce qis, kom nws tuaj yeem ua qhov siv tag nrho ntawm qhov nruab nrab-siab hais tawm cov lus qhia, tsis tas yuav ua rau lub ntsej muag tsawg tsawg nce rov qab;

Rau cov neeg mob uas muaj ntau qhov cochlear tuag thaj tsam, nce qhov nce tsawg thaum txo cov kev nce siab. Nws raug nquahu kom siv cov khoom sib hais nrog lub zog hloov pauv kom muaj nuj nqi, thiab qhov xwm txheej tso cai rau qhov cog hniav cochlear cog.

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