{"id":28127,"date":"2024-10-24T08:00:53","date_gmt":"2024-10-24T06:00:53","guid":{"rendered":"https:\/\/lifelonghearing.com\/?p=28127"},"modified":"2025-04-21T05:51:07","modified_gmt":"2025-04-21T05:51:07","slug":"a-cochlearis-implantatumok-hangja-se-nem-miki-eger-se-nem-robothang","status":"publish","type":"post","link":"https:\/\/lifelonghearing.com\/hu\/a-cochlearis-implantatumok-hangja-se-nem-miki-eger-se-nem-robothang\/","title":{"rendered":"A cochle\u00e1ris implant\u00e1tumok hangja: se nem Miki eg\u00e9r, se nem robothang!"},"content":{"rendered":"

Milyen hangz\u00e1sa lesz a cochle\u00e1ris implant\u00e1tumoknak?<\/h1><\/div>

Az els\u0151 cochle\u00e1ris implant\u00e1tum 1977-es be\u00fcltet\u00e9se \u00f3ta a CI-technol\u00f3gia jelent\u0151s fejl\u0151d\u00e9sen esett \u00e1t \u2013 ezzel egy\u00fctt a besz\u00e9d\u00e9rt\u00e9s \u00e9s a CI-eszk\u00f6z\u00f6k hangmin\u0151s\u00e9ge is sokat fejl\u0151d\u00f6tt. Az aktu\u00e1lis kutat\u00e1sok a cochle\u00e1ris implant\u00e1tumok hangj\u00e1t imit\u00e1lj\u00e1k.<\/strong><\/p>\n<\/div>

<\/span><\/div><\/div><\/div><\/div><\/div>

Gyakorlati tapasztalataik alapj\u00e1n a szak\u00e9rt\u0151k tiszt\u00e1ban vannak azzal, hogy a CI-felhaszn\u00e1l\u00f3kat k\u00e9t f\u0151 k\u00e9rd\u00e9s foglalkoztatja. Az els\u0151: \"Mennyire j\u00f3l fogok hallani?\" \u00e9s a m\u00e1sodik: \"Milyen lesz a k\u00e9sz\u00fcl\u00e9k hangja?\" [1]<\/a> A besz\u00e9d \u00e9rthet\u0151s\u00e9g\u00e9re vonatkoz\u00f3 k\u00e9rd\u00e9s megv\u00e1laszol\u00e1sa nem egyszer\u0171, hiszen ebben t\u00fal sok befoly\u00e1sol\u00f3 t\u00e9nyez\u0151 j\u00e1tszik szerepet. Azonban, legal\u00e1bb a besz\u00e9d\u00e9rthet\u0151s\u00e9g m\u00e9r\u00e9se lehets\u00e9ges \u00e9s ezt sz\u00e1mokban is ki tudjuk fejezni. A hangz\u00e1st sallangos kifejez\u00e9sekkel t\u00f6bb\u00e9-kev\u00e9sb\u00e9 le tudjuk \u00edrni, esetleg \u00f6sszahasonl\u00edthatjuk az ismert hangk\u00e9pekkel.<\/p>\n

Az elismert fejl\u0151d\u00e9spszichol\u00f3gus, Michael F. Dorman, a nyelv\u00e9szet, a hall\u00e1s- \u00e9s besz\u00e9dtudom\u00e1nyok doktora, professzor emiratus, tudom\u00e1nyos megk\u00f6zel\u00edt\u00e9sb\u0151l n\u00e9zve t\u00f6bb \u00e9vtizede k\u00fczd ezekkel a kih\u00edv\u00e1sokkal. Els\u0151k\u00e9nt k\u00fcl\u00f6nb\u00f6z\u0151 csoportokon v\u00e9gzett kutat\u00e1sok sor\u00e1n a cochle\u00e1ris implant\u00e1tum haszn\u00e1l\u00f3inak besz\u00e9d\u00e9rt\u00e9s\u00e9t befoly\u00e1sol\u00f3 k\u00fcl\u00f6nf\u00e9le technikai t\u00e9nyez\u0151ket vizsg\u00e1lta. Az al\u00e1bbiak szerint magyar\u00e1zza azokat a lehet\u0151s\u00e9geket, melyeket a cochle\u00e1ris implant\u00e1tumok hangz\u00e1s\u00e1nak vizsg\u00e1lata sor\u00e1n sz\u00e1m\u00edt\u00e1sba vesz: \"A f\u00e9loldali sikets\u00e9ggel rendelkez\u0151 CI-felhaszn\u00e1l\u00f3k lehet\u0151s\u00e9get adtak a kutat\u00f3k sz\u00e1m\u00e1ra annak a k\u00e9rd\u00e9snek a megv\u00e1laszol\u00e1s\u00e1ra, amit szinte minden CI-p\u00e1ciens feltesz: Milyen hangja lesz a CI-k\u00e9sz\u00fcl\u00e9knek?\"\" [2]<\/a><\/p>\n

Legut\u00f3bbi kutat\u00e1s\u00e1nak eredm\u00e9nyei [3]<\/a> [4]<\/a>igaz\u00e1n \u00edg\u00e9retesek: a r\u00f6vid elektr\u00f3d\u00e1kkal ell\u00e1tott CI-k\u00e9sz\u00fcl\u00e9kek eset\u00e9ben a felhaszn\u00e1l\u00f3k a term\u00e9szetes hangz\u00e1sn\u00e1l magasabban hallj\u00e1k a hangokat. Azonban a hosszabb elektr\u00f3d\u00e1kkal ell\u00e1tott CI-k\u00e9sz\u00fcl\u00e9kek haszn\u00e1lata sor\u00e1n egyes felhaszn\u00e1l\u00f3k szinte vagy eg\u00e9szen term\u00e9szetes hangz\u00e1s\u00fanak hallj\u00e1k a hangokat, viszont m\u00e1sok a CI-k\u00e9sz\u00fcl\u00e9k hangj\u00e1t tomp\u00e1nak, esetenk\u00e9nt kev\u00e9sb\u00e9 tiszt\u00e1nak \u00e9rz\u00e9kelik a m\u00e1sik f\u00fcl term\u00e9szetes hall\u00e1s\u00e1hoz k\u00e9pest.[5]<\/a><\/p>\n

\"Miki eg\u00e9r hangot v\u00e1rtunk\" - hangok le\u00edr\u00e1sa \u00e9s \u00f6sszehasonl\u00edt\u00e1sa<\/h2>\n

Az \u00f6sszehasonl\u00edt\u00f3 tanulm\u00e1nyok ter\u00e9n v\u00e9gzett \u00fatt\u00f6r\u0151 munk\u00e1t az Egyes\u00fclt \u00c1llamokban Sandra Prentiss \u00e9s tudom\u00e1nyos munkat\u00e1rsai. Egy olyan, CI-k\u00e9sz\u00fcl\u00e9ket haszn\u00e1l\u00f3 p\u00e1cienssel dolgoztak k\u00f6z\u00f6sen, akin\u00e9l a CI-elektr\u00f3d\u00e1k a csiga majdnem k\u00e9t teljes fordulat\u00e1t lefedt\u00e9k, \u00edgy az eszk\u00f6z be\u00fcltet\u00e9s\u00e9t k\u00f6vet\u0151en megmaradt hall\u00e1sa szinte teljes m\u00e9rt\u00e9kben v\u00e1ltozatlan maradt minden hangmagass\u00e1gban. T\u00edz \u00e9vvel ezel\u0151tt egy esettanulm\u00e1ny keret\u00e9ben a tudom\u00e1nyos munk\u00e1t v\u00e9gz\u0151 csapat arra k\u00e9rte ezt a p\u00e1cienst, hasonl\u00edtsa \u00f6ssze a CI-k\u00e9sz\u00fcl\u00e9kkel \u00e9rz\u00e9kelt hangmagass\u00e1got az ugyanazzal a f\u00fcllel, term\u00e9szetes hall\u00e1s sor\u00e1n \u00e9rz\u00e9kelt hangmagass\u00e1ggal. Az eredm\u00e9nyek meger\u0151s\u00edtett\u00e9k az egyes hangmagass\u00e1goknak a csiga adott helyeihez rendel\u00e9s\u00e9nek \u00e9s a hossz\u00fa elektr\u00f3dasorok<\/a>. nak a fontoss\u00e1g\u00e1t. Emellett, az alacsony hangmagass\u00e1g\u00fa hangok kimutatta a hangmagass\u00e1g id\u0151beli \u00e9rz\u00e9kel\u00e9s\u00e9nek hat\u00e1s\u00e1t is, vagyis meger\u0151s\u00edtette az \u00fagynevezett finom szerkezeti k\u00f3dol\u00e1s<\/a>. hat\u00e9konys\u00e1g\u00e1t. Azonban ebb\u0151l az esettanulm\u00e1nyb\u00f3l semmit sem tudunk meg a hangk\u00e9pekr\u0151l.<\/p>\n

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Weller \u00e9s munkat\u00e1rsai kimutatt\u00e1k: Azon CI-k\u00e9sz\u00fcl\u00e9ket haszn\u00e1l\u00f3 p\u00e1ciensek eset\u00e9ben a legjobb a besz\u00e9d\u00e9rt\u00e9s, akikn\u00e9l a k\u00e9sz\u00fcl\u00e9kben 630 fokn\u00e1l t\u00f6bbet lefed az elektr\u00f3dasor, m\u00edg a 360 fokn\u00e1l r\u00f6videbb elektr\u00f3dasor eset\u00e9n jelent\u0151sen rosszabb a besz\u00e9d\u00e9rt\u00e9s. \u00a9adaptiert von Weller et al. 2023<\/p><\/div>\n

K\u00e9s\u0151bb sz\u00e1mos tanulm\u00e1nyban ugyanezt a k\u00e9rd\u00e9st tette fel az amerikai tud\u00f3s, Michael F. Dorman, valamint tud\u00f3s munkat\u00e1rsai, mely kutat\u00e1sok sor\u00e1n a f\u00e9loldali CI-eszk\u00f6zt haszn\u00e1l\u00f3 \u00e9s f\u00e9l f\u00fcllel term\u00e9szetesen hall\u00f3 p\u00e1cienseket vizsg\u00e1ltak. A F\u00e9loldali sikets\u00e9ggel rendelkez\u0151 betegek cochle\u00e1ris implant\u00e1ci\u00f3ja<\/a> elnevez\u00e9s\u0171 kutat\u00e1st el\u0151sz\u00f6r 2003-ban, egy eur\u00f3pai tanulm\u00e1ny keret\u00e9ben v\u00e9gezt\u00e9k el \u00e9s ma m\u00e1s sok orsz\u00e1gban, k\u00f6zt\u00fck Ausztri\u00e1ban is rutinelj\u00e1r\u00e1snak sz\u00e1m\u00edt [6]<\/a>. Kezdetben, egyes szak\u00e9rt\u0151k k\u00e9telkedtek abban, hogy a CI-k\u00e9sz\u00fcl\u00e9k mesters\u00e9gesen l\u00e9trehozott hangz\u00e1sa vetekedni tud a m\u00e1sik oldalon \u00e9rz\u00e9kelt term\u00e9szetes hangz\u00e1ssal. Azonban Dorman \u00e9s munkat\u00e1rsai kifejezetten arra k\u00e9rt\u00e9k a kett\u0151s tapasztalattal rendelkez\u0151 CI-felhaszn\u00e1l\u00f3kat, hogy hasonl\u00edts\u00e1k \u00f6ssze a CI hangz\u00e1s\u00e1t a m\u00e1sik oldal term\u00e9szetes hangz\u00e1s\u00e1val. Hangjelk\u00e9nt n\u00e9h\u00e1ny nagyon r\u00f6vid mondatot haszn\u00e1ltak. Ezeket azt\u00e1n technikai elj\u00e1r\u00e1sokkal feldolgozt\u00e1k a term\u00e9szetes hall\u00e1s\u00fa f\u00fcl sz\u00e1m\u00e1ra, eg\u00e9szen addig, m\u00edg a tanulm\u00e1ny r\u00e9sztvev\u0151i \u00fagy nem tal\u00e1lt\u00e1k, hogy pontosan \u00fagy hangzanak, mint a CI-k\u00e9sz\u00fcl\u00e9kkel \u00e9szlelt hangok.<\/p>\n

Az eredm\u00e9nyeket bemutat\u00f3 egyik publik\u00e1ci\u00f3 bevezet\u0151j\u00e9ben a tud\u00f3sok arr\u00f3l \u00edrnak, azt v\u00e1rt\u00e1k, hogy az \u00edgy kialak\u00edtott leut\u00e1nzott hangok legink\u00e1bb Miki eg\u00e9r vagy egy robot hangj\u00e1ra fognak hasonl\u00edtani. Ez az a k\u00e9t hang, amire egyesek a mai napig utalnak, ha a CI-k\u00e9sz\u00fcl\u00e9kre v\u00e1r\u00f3k vagy a k\u00e9sz\u00fcl\u00e9k ir\u00e1nt \u00e9rdekl\u0151d\u0151k a cochle\u00e1ris implant\u00e1tum hangj\u00e1r\u00f3l k\u00e9rdeznek. Azonban \u00fagy t\u0171nik, a modern CI-k\u00e9sz\u00fcl\u00e9kek hangz\u00e1sa sokkal term\u00e9szetesebb, mint ahogy azt v\u00e1rt\u00e1k! Dorman tanulm\u00e1nya szerint a szimul\u00e1lt hangok besz\u00e9djele els\u0151sorban kiss\u00e9 tompa[7]<\/a> [8]<\/a>. A tanulm\u00e1ny egyes r\u00e9sztvev\u0151i a CI-k\u00e9sz\u00fcl\u00e9k hangj\u00e1t a m\u00e1sik f\u00fcl term\u00e9szetes hall\u00e1s\u00fa hangajaval azonosk\u00e9nt jellemezt\u00e9k - ez a hossz\u00fa elektr\u00f3dasoros MED-EL k\u00e9sz\u00fcl\u00e9kek eset\u00e9ben fordult el\u0151.<\/p>\n

Szimul\u00e1ci\u00f3s eredm\u00e9nyek: A modern CI-k\u00e9sz\u00fcl\u00e9kek hangz\u00e1sa term\u00e9szetes!<\/h2>\n

A m\u0171szaki param\u00e9terek hat\u00e1sainak nagyobb meg\u00e9rt\u00e9se \u00e9rdek\u00e9ben a tud\u00f3sok k\u00fcl\u00f6nf\u00e9le szimul\u00e1ci\u00f3kat fejlesztettek ki. Azonban az eredm\u00e9nyeket jelent\u0151sen befoly\u00e1solj\u00e1k az \u00f6sszehasonl\u00edt\u00e1sok: hossz\u00fa vagy r\u00f6vid elektr\u00f3dasor, nagyobb vagy kisebb frekvenciatartom\u00e1ny, finom szerkezeti hangol\u00e1ssal vagy an\u00e9lk\u00fcl. Ezek fontos inform\u00e1ci\u00f3k \u00e9s nem csak a fejleszt\u00e9ssel foglalkoz\u00f3 csapatok sz\u00e1m\u00e1ra: a CI-k\u00e9sz\u00fcl\u00e9kre v\u00e1r\u00f3 p\u00e1ciensek ezen szimul\u00e1ci\u00f3k alapj\u00e1n eld\u00f6nthetik, melyik CI-funkci\u00f3ra szeretn\u00e9nek nagyobb figyelmet ford\u00edtani. Ezek a szimul\u00e1ci\u00f3k azonban nem tudj\u00e1k visszaadni a CI-k\u00e9sz\u00fcl\u00e9kek val\u00f3di hangz\u00e1s\u00e1t!<\/p>\n

Az \u00faj szimul\u00e1ci\u00f3kkal a CI-szak\u00e9rt\u0151 Michael F. Dorman \u00e9s munkat\u00e1rsai c\u00e9lja pontosan ennek a megteremt\u00e9se. Magyar\u00e1zataikban arra is felh\u00edvj\u00e1k a figyelmet, hogy<\/p>\n

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M\u00edg az elektromos-akusztikus szimul\u00e1ci\u00f3s (EAS) rendszerekben MED-EL FLEX24 elektr\u00f3dasorokat haszn\u00e1lnak azok sz\u00e1m\u00e1ra, akik term\u00e9szetes hall\u00e1ssal k\u00e9pesek meghallani az alacsony hangmagass\u00e1g\u00fa hangokat, egyes szolg\u00e1ltat\u00f3k leghosszabb elektr\u00f3dasorai r\u00f6videbbek, mint a s\u00falyos hall\u00e1sk\u00e1rosod\u00e1ssal rendelkez\u0151 jel\u00f6ltekn\u00e9l alkalmazott elektr\u00f3dasorok. [11]<\/a><\/p><\/div>a term\u00e9szetes hangz\u00e1s nem egyenl\u0151 csup\u00e1n az optim\u00e1lis besz\u00e9d\u00e9rt\u00e9ssel. M\u00e9g a jelenlegi CI-technol\u00f3gi\u00e1k mellett is sz\u00fcks\u00e9g van arra, hogy a felhaszn\u00e1l\u00f3 megtanulja a CI-k\u00e9sz\u00fcl\u00e9k haszn\u00e1lat\u00e1t. A hall\u00e1srehabilit\u00e1ci\u00f3 biztos\u00edtja a cochle\u00e1ris implant\u00e1tumok optim\u00e1lis haszn\u00e1lat\u00e1t. Az agyban zajl\u00f3 hall\u00e1si folyamat megszokhatja a CI-k\u00e9sz\u00f3l\u00e9k kev\u00e9sb\u00e9 optim\u00e1lis hangz\u00e1s\u00e1t, de ez gyakran t\u00f6bb \u00e9vet ig\u00e9nyel[9]<\/a>, \u00e9s ez Dorman kutat\u00e1s\u00e1nak egy m\u00e1sik k\u00f6vetkeztet\u00e9se. Mindazon\u00e1ltal a kutat\u00e1s eredm\u00e9nyei leny\u0171g\u00f6z\u0151ek: manaps\u00e1g a CI-k\u00e9sz\u00fcl\u00e9kre v\u00e1r\u00f3 p\u00e1ciensek k\u00f6zel a term\u00e9szetes hangz\u00e1ssal egyen\u00e9rt\u00e9k\u0171 hangmin\u0151s\u00e9gre sz\u00e1m\u00edthatnak az egyedi ig\u00e9nyekhez be\u00e1ll\u00edtott CI-elektr\u00f3dasor r\u00e9v\u00e9n!<\/p>\n<\/div>

Az elektr\u00f3dasor hossza: hogyan befoly\u00e1solj\u00e1k a hangz\u00e1st a m\u0171szaki jellemz\u0151k<\/strong><\/p>\n

A tud\u00f3sok r\u00f6vid id\u0151n bel\u00fcl kifejlesztettek olyan hangmint\u00e1kat, melyekkel a norm\u00e1l hall\u00e1ssal rendelkez\u0151k sz\u00e1m\u00e1ra be tudj\u00e1k mutatni a cochle\u00e1ris implant\u00e1tumok egyedi m\u0171szaki jellemz\u0151inek hat\u00e1sait, k\u00fcl\u00f6n\u00f6s tekintettel az elektr\u00f3dasor hossz\u00e1ra. Az emberi bels\u0151 f\u00fcl \"helyi k\u00f3dol\u00e1st\" alkalmaz: a k\u00fcl\u00f6nb\u00f6z\u0151 hangmagass\u00e1gok a csig\u00e1ban adott helyhez k\u00f6t\u00f6ttek. Cochle\u00e1ris implant\u00e1tummal pontosan azok a hangtartom\u00e1nyok hallhat\u00f3k, melyek hangjai a csig\u00e1ban el\u00e9rik a CI elektr\u00f3d\u00e1t. \u00c9ppen ez\u00e9rt k\u00fcl\u00f6n\u00f6sen fontos, hogy az elektr\u00f3dasor hossza a lehet\u0151 legjobban megfeleljen a csiga hossz\u00e1nak. A 32 mm hossz\u00fa elektr\u00f3dasor\u00e1val egyed\u00fcl a CI-k\u00e9sz\u00fcl\u00e9keket gy\u00e1rt\u00f3 osztr\u00e1k MED-EL v\u00e1llalat k\u00edn\u00e1l a CI-eszk\u00f6z\u00f6ket haszn\u00e1l\u00f3 \u00e9s haszn\u00e1lni v\u00e1gy\u00f3 p\u00e1ciensek sz\u00e1m\u00e1ra megfelel\u0151 hossz\u00fas\u00e1g\u00fa, a magas \u00e9s a m\u00e9ly hangokat egyar\u00e1tn lefed\u0151 elektr\u00f3dasorokat.<\/p>\n

P\u00e9ld\u00e1ul, egy 24 mm hossz\u00fa elektr\u00f3dasor egy \u00e1tlagos csiga eset\u00e9ben h\u00e1rom okt\u00e1vnyi frekvenciatartom\u00e1nyt nem \u00e9r el! Ahhoz, hogy ennek ellen\u00e9re minden hangmagass\u00e1got hallhassunk, a gy\u00e1rt\u00f3k k\u00fcl\u00f6nf\u00e9le, frekvenciaeltol\u00e1si \u00e9s frekvenciat\u00f6m\u00f6r\u00edt\u00e9si tr\u00fckk\u00f6ket alkalmaznak. A frekvenciaeltol\u00e1s sor\u00e1n ott, ahol eredetileg 590 hertzen halljuk a hangot, 70 hertz hangfrekvenci\u00e1t stimul\u00e1lnak. Ennek eredm\u00e9nyek\u00e9nt minden sokkal magasabb hangon hallatszik, ez az \u00fan. Miki eg\u00e9r hanghat\u00e1s. A kieg\u00e9sz\u00edt\u0151 frekvenciat\u00f6m\u00f6r\u00edt\u00e9s sor\u00e1n a h\u00e9t okt\u00e1vnyi hallhat\u00f3 hangot n\u00e9gy okt\u00e1vba s\u0171r\u00edtik. Ha ezt egy zongor\u00e1n pr\u00f3b\u00e1ln\u00e1nk szeml\u00e9ltetni, a zongora kellemetlen\u00fcl magas hangokat adna, r\u00e1ad\u00e1sul m\u00e9g hamisan is - teh\u00e1t, jogosan felt\u00e9telezz\u00fck, hogy a CI-k\u00e9sz\u00fcl\u00e9kek eset\u00e9ben ugyanez a hat\u00e1s \u00e9rz\u00e9kelhet\u0151.<\/p>\n

R\u00e1ad\u00e1sul a r\u00f6vid elektr\u00f3dasor nem csup\u00e1n a hangz\u00e1st befoly\u00e1solja, de a besz\u00e9d\u00e9rt\u00e9st is rontja. Ezt m\u00e1r sz\u00e1mos tud\u00f3s igazolta - legut\u00f3bb a Hannoveri Egyetemi K\u00f3rh\u00e1zban Tobias Wellner \u00e9s munkat\u00e1rsai. V\u00e9lem\u00e9ny\u00fck szerint \u201c540\u00b0 - 630\u00b0 beilleszt\u00e9si sz\u00f6g eset\u00e9n [of a cochlear implant] jelent\u0151sen t\u00f6bb el\u0151nnyel rendelkezik, mint 360\u00b0-n\u00e1l kisebb [of the electrode] beilleszt\u00e9si sz\u00f6ggel, viszont 630\u00b0 felett jelent\u0151s v\u00e1ltoz\u00e1s nem figyelhet\u0151 meg .\u201d [10]<\/a><\/p>\n<\/div><\/div><\/div><\/div>

\n

[1]<\/a> Dorman MF, Natale SC, Baxter L, et al. Approximations to the Voice of a Cochlear Implant: Explorations With Single-Sided Deaf Listeners. Trends in Hearing. 2020;24. doi:10.1177\/2331216520920079
\n[2]<\/a> Zeitler DM, Dorman MF, Cochlear Implantation for Single-Sided Deafness: A New Treatment Paradigm. J Neurol Surg B Skull Base 2019; 80(02): 178-186. doi: 10.1055\/s-0038-1677482
\n[3]<\/a> Dorman MF, Natale SC, Butts AM, Zeitler DM, Carlson ML. The sound quality of cochlear implants: Studies with singlesided deaf patients. Otol Neurotol. 2017 Sep;38(8):e268-e273. doi: 10.1097\/MAO.0000000000001449.
\n[4]<\/a> Dorman MF, Natale SC, Zeitler DM, Baxter L, Noble JH. Looking for Mickey Mouse\u2122 But Finding a Munchkin: The Perceptual Effects of Frequency Upshifts for Single-Sided Deaf, Cochlear Implant Patients. J Speech Lang Hear Res. 2019 Sep 20;62(9):3493-3499. doi: 10.1044\/2019_JSLHR-H-18-0389. Epub 2019 Aug 15.
\n[5]<\/a> Dorman MF, 2020
\n[6]<\/a> Prentiss S, Staecker H, Wolford B. Ipsilateral acoustic electric pitch matching: a case study of cochlear implantation in an up-sloping hearing loss with preserved hearing across multiple frequencies. Cochlear Implants Int. 2014;15(3):161-165. doi:10.1179\/1754762814Y.0000000066
\n[7]<\/a> Dorman MF 2020
\n[8]<\/a> Dorman MF 2019
\n[9]<\/a> Dorman MF, Natale SC, Noble JH and Zeitler DM (2022) Upward Shifts in the Internal Representation of Frequency Can Persist Over a 3-Year Period for Cochlear Implant Patients Fit With a Relatively Short Electrode Array. Front. Hum. Neurosci. 16:863891. doi: 10.3389\/fnhum.2022.863891
\n[10]<\/a> \u201e9 Gr\u00fcnde f\u00fcr die Relevanz der CI-Elektrode\u201c, https:\/\/blog.medel.pro\/de\/chirurgie\/relevanz-der-ci-elektrode\/
\n[11]<\/a> Quellen: Elektroden-Einf\u00fchrwinkel laut Studien siehe blog.medel.pro; Flex34 approximiert.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"

Milyen hangz\u00e1sa lesz a cochle\u00e1ris implant\u00e1tumoknak? Az els\u0151 cochle\u00e1ris implant\u00e1tum 1977-es be\u00fcltet\u00e9se \u00f3ta<\/p>\n","protected":false},"author":4,"featured_media":31618,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[418],"tags":[],"class_list":["post-28127","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tudomany"],"yoast_head":"\nHungary<\/title>\n<meta name=\"description\" content=\"Az els\u0151 cochle\u00e1ris implant\u00e1tum 1977-es be\u00fcltet\u00e9se \u00f3ta a CI-technol\u00f3gia jelent\u0151s fejl\u0151d\u00e9sen esett \u00e1t - ezzel egy\u00fctt a besz\u00e9d\u00e9rt\u00e9s \u00e9s a CI-eszk\u00f6z\u00f6k hangmin\u0151s\u00e9ge is sokat fejl\u0151d\u00f6tt. 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