{"id":22608,"date":"2003-11-04T00:00:00","date_gmt":"2003-11-04T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/serotonina-y-aprendizaje-instrumental\/"},"modified":"2003-11-04T00:00:00","modified_gmt":"2003-11-04T00:00:00","slug":"serotonina-y-aprendizaje-instrumental","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/pablo-de-olavide\/serotonina-y-aprendizaje-instrumental\/","title":{"rendered":"Serotonina y aprendizaje instrumental"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Quevedo Guzm\u00e1n Gloria Del Valle <\/strong><\/h2>\n<p>Se ha empleado varios tipos de pruebas comportamentales para ampliar la comprensi\u00f3n de la participaci\u00f3n de la serotonina en proceos cognitivos, como la adquisici\u00f3n, la consolidaci\u00f3n y la retenci\u00f3n del aprendizaje (meneses y hong. 1997; meneses; 2001). El presente estudio experimental se dise\u00f1\u00f3 para caracterizar la influencia de niveles altos y bajos de serotonina plaquetaria sobre la actividad motora, los comportamientos de incorporarse sobre las patas traseras o rearing, acicalarse o grooming y congelarse o freezing. Tambi\u00e9n se estudi\u00f3 el efecto de dichos niveles altos y bajos de serotonina plaquetaria sobre el aprendizaje instrumental seg\u00fan los paradigmas de raz\u00f3n fija 1 (rf1) y 10 (rf10), de intervalo fijo 8 (if8), de raz\u00f3n variable 11 (rv11) y de intervalo variable 10 (iv10). Por \u00faltimo, se estudi\u00f3 la expresi\u00f3n de la prote\u00edna transportada de la serotonina en diversas estructuras cerebrales en ratas derivadas de la cepa zgr:wistar que expresan niveles bajos y altos de serotonina en sangre.  a partir de los resultados obtenidos se puede proponer que niveles de serotonina en sangre incrementa la actividad motora, mientras que niveles altos de serotonina la disminuyen. Adem\u00e1s, el proceso de selecci\u00f3n gen\u00e9tica de animales con niveles bajos y altos de serotonina en sangre induce cambios en la expresi\u00f3n de los comportamientos de incorporarse sobre las patas traseras o rearing, acicalarse o grooming y congelarse o freezing. De modo significativo se observ\u00f3 un alto porcentaje de los comportamientos de rearing y grooming y la ausencia de freezing en las ratas con niveles bajos de serotonina, mientras que se expres\u00f3 un alto porcentaje de freezing y ausencia de grooming en las ratas con niveles altos de serotonina.  tambi\u00e9n se ha observado que los procesos de aprendizaje instrumental est\u00e1n relacionados con la concentraci\u00f3n de serotonina plaquetaria, ya que los sujetos experimentales con niveles bajos de serotonina aprende<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Serotonina y aprendizaje instrumental<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Serotonina y aprendizaje instrumental <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Quevedo Guzm\u00e1n Gloria Del Valle <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pablo de olavide<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 11\/04\/2003<\/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> Delgado Garc\u00eda Jos\u00e9 M.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  vicente Sanchez andres <\/li>\n<li>agnes Gruart masso (vocal)<\/li>\n<li>Javier Mi\u00f1ano s\u00e1nchez (vocal)<\/li>\n<li>c\u00e9sar Venero nu\u00f1ez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Quevedo Guzm\u00e1n Gloria Del Valle Se ha empleado varios tipos de pruebas comportamentales para ampliar la comprensi\u00f3n [&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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