{"id":69527,"date":"2018-03-09T23:13:58","date_gmt":"2018-03-09T23:13:58","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/la-categorizacion-fonetica-en-ratas-el-efecto-magnet-perceptivo\/"},"modified":"2018-03-09T23:13:58","modified_gmt":"2018-03-09T23:13:58","slug":"la-categorizacion-fonetica-en-ratas-el-efecto-magnet-perceptivo","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/barcelona\/la-categorizacion-fonetica-en-ratas-el-efecto-magnet-perceptivo\/","title":{"rendered":"La categorizaci\u00f3n fonetica en ratas: el efecto magnet perceptivo."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ferran Pons Gimeno <\/strong><\/h2>\n<p>Durante la segunda mitad del primer a\u00f1o de vida, el sistema fon\u00e9tico de los beb\u00e9s va especializ\u00e1ndose y se forma en funci\u00f3n del entorno ling\u00ed\u00bc\u00edstico de \u00e9ste. Una de las teor\u00edas m\u00e1s influyentes sobre los mecanismos que subyacen a esta reorganizaci\u00f3n perceptiva durante el primer a\u00f1o de vida es la teor\u00eda del margnet del lenguaje nativo (kuhl, 1991, 1995, 2000). Se sugiere que los prototipos de las categor\u00edas fon\u00e9ticas de la lengua nativa ejercen de imanes y atraen a los miembros de la categor\u00eda hasta ellos, modificando as\u00ed el espacio perceptivo del sujeto (efecto magnet perceptivo). De especial relevancia para el presente trabajo es que se postula que este efecto es espec\u00edfico del ser humano.  en un conjunto de 6 experimentos se explor\u00f3 el fen\u00f3meno de la categorizaci\u00f3n fon\u00e9tica en ratas, y m\u00e1s concretamente el efecto magnet perceptivo. En los experimentos 1 a 4  se observ\u00f3 que el efecto magnet perceptivo es un fen\u00f3meno asociativo dependiente de la experiencia previa, y que no es espec\u00edfico del ser humano. Dando a los animales la oportunidad de escuchar previamente los est\u00edmulos sonoros, estos mostraron en la fase de prueba un patr\u00f3n igual al obtenido sise presentase el efecto magnet perceptivo, es decir, menos discriminante entre el prototipo y los ejemplares que le rodean. Los experimentos 5 y 6 mostraron que las ratas son capaces de extraer la informaci\u00f3n voc\u00e1lica de palabras del habla natural producidas por diferentes locutores. El grado de precisi\u00f3n en la formaci\u00f3n de estas categor\u00edas fon\u00e9ticas parece ser bastante alto ya que los animales discriminaron perfectamente entre contrastes voc\u00e1licos cercanos en el especio voc\u00e1lico.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>La categorizaci\u00f3n fonetica en ratas: el efecto magnet perceptivo.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 La categorizaci\u00f3n fonetica en ratas: el efecto magnet perceptivo. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ferran Pons Gimeno <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/07\/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>Josep Batista Trobalon<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: gustavo Deco <\/li>\n<li>elisabeth Tubau (vocal)<\/li>\n<li>gorka Elordieta (vocal)<\/li>\n<li>felisa Gozalez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ferran Pons Gimeno Durante la segunda mitad del primer a\u00f1o de vida, el sistema fon\u00e9tico de los [&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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