{"id":29827,"date":"2018-03-09T09:23:08","date_gmt":"2018-03-09T09:23:08","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/presbiacusia-experimental-efectos-del-envejecimiento-sobre-el-receptor-y-la-via-auditiva\/"},"modified":"2018-03-09T09:23:08","modified_gmt":"2018-03-09T09:23:08","slug":"presbiacusia-experimental-efectos-del-envejecimiento-sobre-el-receptor-y-la-via-auditiva","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/presbiacusia-experimental-efectos-del-envejecimiento-sobre-el-receptor-y-la-via-auditiva\/","title":{"rendered":"Presbiacusia experimental. efectos del envejecimiento sobre el receptor y la via auditiva"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Eduardo Castillo Serrano <\/strong><\/h2>\n<p>La presbiacusia, es una p\u00e9rdida auditiva progresiva asociada a la edad, que se manifiesta como una sordera para sonidos agudos, unida a una degeneraci\u00f3n estructural coclear. Seg\u00fan estudios previos, la presbiacusia se clasifican en 4 tipos diferentes: sensorial, neural, metab\u00f3lica y mec\u00e1nica, pero es de se\u00f1alar que estos 4 tipos de presbiacusia no suelen aparecer aislados.  en el presente estudio se utilizan 66 ratones c57bl\/6 de 1,3,6,9,12,15,18,21 y 24 meses de edad. La cepa de rat\u00f3n c57bl\/6 , exhibe una p\u00e9rdida auditiva neurosensorial progresiva de inicio precoz. Los efectos de la edad sobre el sistema auditivo se analizan mediante el registro electrofisiol\u00f3gico de los potenciales auditivos del tronco cerebral (peatc) y del potencial de acci\u00f3n compuesto o electrocoleograf\u00eda (ecog). Despu\u00e9s se estudia cada c\u00f3clea y ganglio auditivo mediante t\u00e9cnicas de microscop\u00eda optica.  los resultados electrofisiol\u00f3gicos muestran un incremento de las latencias, intervalos y umbrales, as\u00ed como un descenso de la amplitud progresivos y umbrales, as\u00ed como un descenso de la amplitud progresivos con la edad, cuyo inicio se fina a los 9-12 meses; adem\u00e1s aparece el fen\u00f3meno de reclutamiento. hasta la edad de 3 meses, la audici\u00f3n presenta signos de inmadurez, y va adquiriendo selectividad frecuencial. La degeneraci\u00f3n del organo de corti comienza por la espira basal coclear a la edad de 9-12 meses y progresa hacia la espira media. A la misma edad, se observa una importante p\u00e9rdida de neuronas del ganglio espiral.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Presbiacusia experimental. efectos del envejecimiento sobre el receptor y la via auditiva<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Presbiacusia experimental. efectos del envejecimiento sobre el receptor y la via auditiva <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Eduardo Castillo Serrano <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/04\/2004<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Pablo Gil Loyzaga<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: tom\u00e1s Ortiz alonso <\/li>\n<li> Sanchez fern\u00e1ndez Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<li> Traserra paradera Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<li>Mar\u00eda  monica De la fuente del rey (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Eduardo Castillo Serrano La presbiacusia, es una p\u00e9rdida auditiva progresiva asociada a la edad, que se manifiesta [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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