{"id":39,"date":"2024-02-23T17:28:17","date_gmt":"2024-02-23T17:28:17","guid":{"rendered":"https:\/\/lydro.dk\/?page_id=39"},"modified":"2024-07-12T10:31:18","modified_gmt":"2024-07-12T10:31:18","slug":"tinnitus-i-dybden","status":"publish","type":"page","link":"https:\/\/lydro.dk\/?page_id=39","title":{"rendered":"Tinnitus i dybden"},"content":{"rendered":"\n<p>Det er vigtigt at v\u00e6re opm\u00e6rksom p\u00e5, at ogs\u00e5 folk med normal h\u00f8relse  kan opleve tinnitus.<br>Der er ingen 100% sikker forklaring p\u00e5, hvordan tinnitus opst\u00e5r, men forskere har givet flere forklaringer, der alle relaterer til det neurofysiologiske system. Eftersom \u00e5rsagen til tinnitus er usikker, og p\u00e5virkningen er meget individuel, er det n\u00f8dvendigt at inkludere den enkeltes reaktioner p\u00e5 tinnitus i enhver model, der fors\u00f8ger at give en udredning af tinnitus. Det er disse individuelle reaktioner, som vi sammen kan fors\u00f8ge at afd\u00e6kke via terapi, s\u00e5 vi kan afhj\u00e6lpe tinnitus bedst muligt. <br>Tinnitus er nok forbundet med en slags hjerneaktivitet, som hjernen tolker som lyd. Der foreg\u00e5r alts\u00e5 noget i vort neurofysiologiske system. Det vil egentlig sige, at hjernen &#8220;tror&#8221; at den hj\u00e6lper os ved at give en lyd, som den mener vi har brug for. Herunder kan du se et eksempel p\u00e5 en neurofysiologisk model, hvor tinnitussen udspringer ved trommehinden, mellem\u00f8resknoglerne , \u00f8resneglen eller hjernestammen.<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-650790e1 wp-block-group-is-layout-constrained\">\n<div style=\"height:1.25rem\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center\">EKSEMPEL P\u00c5 EN NEUROFYSIOLOGISK MODEL, SOM INKLUDERER DEN CENTRALE DEL AF DET AUDITIVE SYSTEM<\/p>\n\n\n\n<div style=\"height:1.25rem\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\"><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"376\" src=\"https:\/\/lydro.dk\/wp-content\/uploads\/2024\/02\/mcFerran-1024x376.jpg\" alt=\"\" class=\"wp-image-44\" srcset=\"https:\/\/lydro.dk\/wp-content\/uploads\/2024\/02\/mcFerran-1024x376.jpg 1024w, https:\/\/lydro.dk\/wp-content\/uploads\/2024\/02\/mcFerran-300x110.jpg 300w, https:\/\/lydro.dk\/wp-content\/uploads\/2024\/02\/mcFerran-768x282.jpg 768w, https:\/\/lydro.dk\/wp-content\/uploads\/2024\/02\/mcFerran.jpg 1305w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-group alignfull has-base-2-background-color has-background has-global-padding is-layout-constrained wp-container-core-group-is-layout-669513ed wp-block-group-is-layout-constrained\" style=\"margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--50);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50)\">\n<div class=\"wp-block-group is-vertical is-content-justification-center is-layout-flex wp-container-core-group-is-layout-52b864f0 wp-block-group-is-layout-flex\">\n<p><\/p>\n\n\n\n<p><\/p>\n<\/div>\n\n\n\n<p><strong>TROMMEHINDE OG MELLEM\u00d8REKNOGLER<\/strong><br>Den f\u00f8rste del af kroppen som modtager lyd er vores ydre \u00f8re, der modtager alt, hvad vi h\u00f8rer. Lydene vi registrerer, g\u00e5r igennem \u00f8regangen, rammer trommehinden som bev\u00e6ger sig. I mellem\u00f8ret har vi kroppens mindste knogler (malelus, incus og stapes) som er fastgjort p\u00e5 trommehinden.  N\u00e5r du h\u00f8rer  s\u00e6ttes en bev\u00e6gelse i gang og pga. \u00f8reknoglerne sker der en v\u00e6gtstangsenergi da de 3 sm\u00e5 knogler s\u00e6ttes i bev\u00e6gelse, hvilket giver os en energi p\u00e5 ca. 25 dB SPL.<\/p>\n\n\n\n<p><strong>\u00d8RESNEGL (COCHLEA)<\/strong><\/p>\n\n\n\n<p>I \u00f8resneglen sidder frekvenserne bas, mellem og diskant. N\u00e5r vi er nyf\u00f8dte h\u00f8rer vi fra 125 Hz til 20.000 Hz. Den normale h\u00f8relse foreg\u00e5r p\u00e5 den m\u00e5de, ved at mellem\u00f8rets mekaniske energi, hvor stigb\u00f8jlen trykker p\u00e5 det ovale vindue ind til cochlea, udbreder en trykb\u00f8lge i det v\u00e6skefyldte hulrum , hvor vi har ydre h\u00e5rceller og indre h\u00e5rceller. <\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>FILTRERING OG M\u00d8NSTERGENKENDELSE<\/strong><\/p>\n\n\n\n<p>N\u00e5r Lyden registreres gennem \u00b4filtering og m\u00f8nstergenkendelse\u00b4. og ikke anses for at v\u00e6re farlig vil den ignoreres uden effekt. \u2013 hvis lyden derimod opfattes farlig, sendes der beskeder til det limbiske system. (Derfor er der nogle, der faktisk har tinnitus uden at blive generet &#8211; lyden registreres som ikke farlig).<br><br><strong>DET LIMBISKE SYSTEM<\/strong><br>Det er den f\u00f8lelsem\u00e6ssige del af hjernen og den bevidste del af hjernen. Der sender besked til det autonome nervesystem.<\/p>\n\n\n\n<p><strong>DET<\/strong> <strong>AUTONOME NERVESYSTEM<\/strong><br>Det er det autonome nervesystem, som styrer ubevidste og ufrivillige funktioner som kamp- og flugtreaktioner. Beskeden vil herefter blive sendt tilbage til det limbiske system (alts\u00e5 den bevidste del af hjernen). Den bevidste hjerne vil s\u00e5 gradvist blive mere og mere opm\u00e6rksom p\u00e5 den generende lyd. jo mere den bliver opm\u00e6rksom p\u00e5 lyden, jo mere f\u00f8lsom bliver oplevelsen af tinnitus som beskrives  via filtrering og m\u00f8nstergenkendelse.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><br><br><\/p>\n\n\n\n<p><strong>EN ANDEN FORKLARING<\/strong><\/p>\n\n\n\n<p>En anden forklaring p\u00e5 tinnitus, som oftest opleves af folk med h\u00f8reneds\u00e6ttelse kan v\u00e6re, at tinnitus skyldes en automatisk forst\u00e6rkningskontrol i centralnervesystemet, som for\u00e5rsager \u00f8get f\u00f8lsomhed ved frav\u00e6r af lyd (HAZELL, 1987)(frav\u00e6r af lyd er h\u00f8reneds\u00e6ttelse). Derfor oplever mange med h\u00f8reneds\u00e6ttelse, at tinnituslyden g\u00e5r i baggrunden eller forsvinder, n\u00e5r de f\u00e5r h\u00f8reapparat. Kroppens alarmsystem pr\u00f8ver alts\u00e5 ved hj\u00e6lp af tinnitus at fort\u00e6lle os, at vi ikke h\u00f8rer godt.<\/p>\n\n\n\n<div style=\"margin-top:0;margin-bottom:0;height:var(--wp--preset--spacing--40)\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-d0bbbce0 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-container-core-column-is-layout-e3d1c41b wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-container-core-column-is-layout-e3d1c41b wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left\"><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-container-core-column-is-layout-e3d1c41b wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left\"><\/p>\n<\/div>\n<\/div>\n\n\n\n<div 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href=\"https:\/\/wordpress.org\">WordPress<\/a> <\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Det er vigtigt at v\u00e6re opm\u00e6rksom p\u00e5, at ogs\u00e5 folk med normal h\u00f8relse kan opleve tinnitus.Der er ingen 100% sikker forklaring p\u00e5, hvordan tinnitus opst\u00e5r, men forskere har givet flere forklaringer, der alle relaterer til det neurofysiologiske system. Eftersom \u00e5rsagen til tinnitus er usikker, og p\u00e5virkningen er meget individuel, er det n\u00f8dvendigt at inkludere den [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-39","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/lydro.dk\/index.php?rest_route=\/wp\/v2\/pages\/39","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lydro.dk\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/lydro.dk\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/lydro.dk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lydro.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=39"}],"version-history":[{"count":43,"href":"https:\/\/lydro.dk\/index.php?rest_route=\/wp\/v2\/pages\/39\/revisions"}],"predecessor-version":[{"id":106,"href":"https:\/\/lydro.dk\/index.php?rest_route=\/wp\/v2\/pages\/39\/revisions\/106"}],"wp:attachment":[{"href":"https:\/\/lydro.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=39"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}