{"id":9803,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1996\/01\/01\/efecto-de-la-dopamina-sobre-las-respuestas-electrofisiologicas-de-las-neuronas-de-la-corteza-prefrontal-de-la-rata\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"efecto-de-la-dopamina-sobre-las-respuestas-electrofisiologicas-de-las-neuronas-de-la-corteza-prefrontal-de-la-rata","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/efecto-de-la-dopamina-sobre-las-respuestas-electrofisiologicas-de-las-neuronas-de-la-corteza-prefrontal-de-la-rata\/","title":{"rendered":"Efecto de la dopamina sobre las respuestas electrofisiologicas de las neuronas de la corteza prefrontal de la rata."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Carlos Pastore Olmedo <\/strong><\/h2>\n<p>Se estudia el posible efecto \u00abin vitro\u00bb de la dopamina sobre una corriente de na+ persistente, que hemos probado esta presente en las neuronas piramidales de la corteza prefrontal de la rata. Esta corriente es en gran medida responsable de la rectificacion lenta subumbral que se observa en estas celulas. Los experimentos se realizaron sobre rodajas de cerebro de ratas adultas jovenes en neuronas piramidales de la corteza prefrontal mediante registros intracelulares de voltaje y registros de fijacion de voltaje con un solo electrodo. Se determino un efecto inhibidor de la dopamina sobre la rectificacion despolarizante lenta subumbral y sobre la corriente de na+ de inactivacion lenta que la genera, describiendose una respuesta dosis-dependiente. Se probo que la dopamina no modifica una corriente de calcio que esta presente en algunas de las neuronas estudiadas y que tiene un rango de activacion similar a la corriente de na+ persistente y tambien contribuye a la modulacion de la actividad ritmica neuronal. Se probo que la dopamina provoca una disminucion de la frecuencia de disparo de potenciales de accion y una inhibicion de la actividad ritmica oscilatoria subumbral que observamos en algunas celulas.  se realizo un estudio farmacologico utilizando agonistas dopaminergicos especificos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Efecto de la dopamina sobre las respuestas electrofisiologicas de las neuronas de la corteza prefrontal de la rata.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Efecto de la dopamina sobre las respuestas electrofisiologicas de las neuronas de la corteza prefrontal de la rata. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Carlos Pastore Olmedo <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Alicante<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1996<\/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>Emilio Geijo Barrientos<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Roberto Gallego Fernandez <\/li>\n<li>Pere Berbel Navarro (vocal)<\/li>\n<li>Washington Bu\u00f1o (vocal)<\/li>\n<li>Valentin Ce\u00f1a Calleja (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Carlos Pastore Olmedo Se estudia el posible efecto \u00abin vitro\u00bb de la dopamina sobre una corriente de [&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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