{"id":79331,"date":"2018-03-09T23:25:10","date_gmt":"2018-03-09T23:25:10","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-psicofisiologica-de-la-captura-automatica-de-la-atencion-visual\/"},"modified":"2018-03-09T23:25:10","modified_gmt":"2018-03-09T23:25:10","slug":"caracterizacion-psicofisiologica-de-la-captura-automatica-de-la-atencion-visual","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/santiago-de-compostela\/caracterizacion-psicofisiologica-de-la-captura-automatica-de-la-atencion-visual\/","title":{"rendered":"Caracterizaci\u00f3n psicofisiol\u00f3gica de la captura autom\u00e1tica de la atenci\u00f3n visual"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Sonia Doallo Pesado <\/strong><\/h2>\n<p>El objetivo principal es la caracterizaci\u00f3n psicofisiol\u00f3gica de los procesos de atenci\u00f3n visual, principalmente orientaci\u00f3n y captura de la atenci\u00f3n, as\u00ed como la identificaci\u00f3n de los procesos que los facilitan o interfieren.     la revisi\u00f3n de las investigaciones realizadas hasta la actualidad sobre potenciales evocados (pe) y atenci\u00f3n visual, puso de manifiesto que la gran mayor\u00eda de los estudios que se han ocupado de los \u00edndices psicofisiol\u00f3gicos de la orientaci\u00f3n de la atenci\u00f3n visual se han basado en el paradigma  de orientaci\u00f3n encubierta desarrollado por posner. Teniendo en cuenta estas consideraciones, se plante\u00f3 la realizaci\u00f3n de un primer experimento utilizando dicho paradigma con el fin de determinar, mediante la t\u00e9cnica de los pe, los efectos facilitadores y\/o inhibidores de la orientaci\u00f3n atencional voluntaria p1 y n1 de los pe ante est\u00edmulos objetivo precedidos por se\u00f1ales centrales (validez 75%), perif\u00e9ricas informativas (validez 75%) y perif\u00e9ricas no informativas (validez 50%) en varios intervalos temporales entre el comienzo de la se\u00f1al y el comienzo del est\u00edmulo objetivo (soas de 100, 300, 500 y 700 ms).     por otra parte, un importante cuerpo de investigaciones ha defendido la relevancia de la Valencia emocional en la direcci\u00f3n y captura autom\u00e1tica de ala atenci\u00f3n visual. De este modo, se llev\u00f3 a cabo un segundo experimento con la finalidad de clarificar, mediante la t\u00e9cnica de los pe, si los est\u00edmulos emocionales poseen un estatus privilegiado para capturar los recursos de atenci\u00f3n, y en qu\u00e9 medida esta captura involuntaria de la atenci\u00f3n se encuentra modulada por la carga atencional de una tarea relevante. Se evalu\u00f3 as\u00ed la respuesta electrofisiol\u00f3gica a l\u00e1minas afectivas negativas y neutras presentadas en la periferia del campo visual en condiciones en las que la carga atencional exigida por una tarea relevante en la fijaci\u00f3n central.     las conclusiones finales de esta tesis se resumen en las sigui<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizaci\u00f3n psicofisiol\u00f3gica de la captura autom\u00e1tica de la atenci\u00f3n visual<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizaci\u00f3n psicofisiol\u00f3gica de la captura autom\u00e1tica de la atenci\u00f3n visual <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Sonia Doallo Pesado <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 31\/03\/2006<\/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>Fernando Cadaveira Mah\u00eda<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Carreti\u00e9 arang\u00ed\u00bcena <\/li>\n<li>mercedes Atienza ruiz (vocal)<\/li>\n<li>Carlos G\u00f3mez gonz\u00e1lez (vocal)<\/li>\n<li> Rodr\u00e1iguez gonz\u00e1lez m. soledad (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Sonia Doallo Pesado El objetivo principal es la caracterizaci\u00f3n psicofisiol\u00f3gica de los procesos de atenci\u00f3n visual, principalmente [&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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