{"id":85758,"date":"2000-07-07T00:00:00","date_gmt":"2000-07-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/a-follow-up-study-of-an-adolescent-population-sample-at-high-neurocognitive-risk-for-schizophrenia-spectrum-disorders\/"},"modified":"2000-07-07T00:00:00","modified_gmt":"2000-07-07T00:00:00","slug":"a-follow-up-study-of-an-adolescent-population-sample-at-high-neurocognitive-risk-for-schizophrenia-spectrum-disorders","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/a-follow-up-study-of-an-adolescent-population-sample-at-high-neurocognitive-risk-for-schizophrenia-spectrum-disorders\/","title":{"rendered":"A follow-up study of an adolescent population sample at high neurocognitive risk for schizophrenia spectrum disorders"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Neus Barrantes Vidal <\/strong><\/h2>\n<p>Introduccion: los estudios de alto riesgo genetico para los trastornos del espectro esquizofrenico han demostrado la existencia de alteraciones sutiles en aquellos sujetos destinados a desarrollar la enfermedad desde la infancia, las cuales podrian utilizarse como marcadores bioconductuales de estos trastornos. Entre ellas destaca el deficit de atencion sostenida, que ha demostrado tener una validez predictiva razonable en un estudio de seguimiento de 25 a\u00f1os. Sin embargo, casi no hay trabajos que analicen estos posibles marcadores en poblacion general. Objetivos: describir el desarrollo y asociacion entre diversos marcadores en una poblacion adolescente representativa de la poblacion general. Se pretende replicar el patron de asociaciion hallado en muestras de alto riesgo genetico y valorar la estabilidad a 4 a\u00f1os de algunos de estos marcadores. Metodo: en 1994 se realiz\u00f3 un cribaje de 1498 sujetos de la poblacion de 8\u00c2\u00ba de egb seleccionada por conglomerados mediante la prueba atencional continuous performance test (pares identicos). Se seleccion\u00f3 un grupo indice (n=162) y un grupo control (n=162), a los que se administro una amplia gama de pruebas: neurocognitivas, personalidad esquizotipica, problemas conductuales evaluados por los maestros. se valoraron tambien algunos indices de alteraciones en el neurodesarrollo. en esta primera fase los sujetos tenian 13.4 a\u00f1os (de=0.76). Cuatro a\u00f1os despues, en 1998, se pudo re-evaluar a 138 sujetos de la muestra original, 69 indices y 69 controles. Se re-clasifico el estatus indice\/control en base a la evolucion de la funcion atencional, creandose 3 grupos: indices estables (n=27),controles estables (n=62), cambio (n=49). El grupo \u00abcambio\u00bb se compone de sujetos que han normalizado su funcion atencional en estos 4 a\u00f1os. En est segunda fase (edad media 17.6) se volvio a administrar una amplia bateria de pruebas de las areas mencionadas. Resultados. La funcion atencional ha demostrado un grado<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>A follow-up study of an adolescent population sample at high neurocognitive risk for schizophrenia spectrum disorders<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 A follow-up study of an adolescent population sample at high neurocognitive risk for schizophrenia spectrum disorders <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Neus Barrantes Vidal <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 07\/07\/2000<\/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>Jordi Obiols Llandrich<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: gordon Claridge <\/li>\n<li>amparo Belloch fuster (vocal)<\/li>\n<li>eduard Vieta pascual (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Neus Barrantes Vidal Introduccion: los estudios de alto riesgo genetico para los trastornos del espectro esquizofrenico han [&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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