{"id":62768,"date":"2008-05-02T00:00:00","date_gmt":"2008-05-02T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/neuroanatomy-of-attention-deficit-hyperactivity-disorder-voxel-based-morphometry-and-region-of-interest-approaches\/"},"modified":"2008-05-02T00:00:00","modified_gmt":"2008-05-02T00:00:00","slug":"neuroanatomy-of-attention-deficit-hyperactivity-disorder-voxel-based-morphometry-and-region-of-interest-approaches","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/pediatria\/neuroanatomy-of-attention-deficit-hyperactivity-disorder-voxel-based-morphometry-and-region-of-interest-approaches\/","title":{"rendered":"Neuroanatomy of attention deficit hyperactivity disorder: voxel-based morphometry and region of interest approaches"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Susana Carmona Ca\u00f1abate <\/strong><\/h2>\n<p>El trastorno por d\u00e9ficit de atenci\u00f3n con hiperactividad (adhd) es un trastorno  del desarrollo caracterizado por s\u00edntomas de inatenci\u00f3n, hiperactividad e impulsividad. Los estudios de neuroimagen apuntan a alteraciones en los circuitos fronto-estriato-cerebelares en el tdah.  La mayor\u00eda de estos estudios se basan en an\u00e1lisis confirmatorios, es decir analizan exclusivamente el volumen de regiones cerebrales seleccionadas a priori en funci\u00f3n de la literatura (procedimiento conocido como region of interest o roi). Investigaciones recientes utilizando m\u00e9todos exploratorios que permiten el an\u00e1lisis del cerebro en su totalidad, parecen indicar que el cerebro de los ni\u00f1os con tdah est\u00e1 alterado de manera difusa.  el objetivo de la presente tesis es el de implementar dos m\u00e9todos de an\u00e1lsis complementarios (an\u00e1lisis de voxel-based morphometry\/exploratorio y an\u00e1lisi de roi\/confirmatorio) para profundizar en el conocimiento de las bases neuroanat\u00f3micas subyacentes al tdah, relacionando dichas bases con los diferentes subtipos y perfiles neuropsicol\u00f3gicos. Para ello se presentan y discuten dos estudios novedosos en el campo de la neuroanat\u00f3mia del tdah. En el estudio 1 se aplica, por primera vez, el m\u00e9todo de la voxel-based morphometry para comparar el cerebro de ni\u00f1os hiperactivos con el cerebro de ni\u00f1os control, no relacionados familiarmente y emparejados para edad, g\u00e9nero y lateralidad. En el estudio 2 se utiliza una metodolog\u00eda roi. En concreto, se dise\u00f1a e implementa un nuevo m\u00e9todo de segmentaci\u00f3n que permite un an\u00e1lisis m\u00e1s preciso del n\u00facleo caudado.  los resultados confirman hallazgos previos acerca de alteraciones en circuitos fronto-estriato-cerebelares as\u00ed como en regiones parietales, cinguladas y temporales. En concreto observamos reducciones en la corteza prefrontal dorsolateral, en el n\u00facleo caudado, en la corteza parietal inferior y en el cingulado posterior. Estas alteriones podr\u00edan ser la base de los problemas cognitivos t\u00edpi<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Neuroanatomy of attention deficit hyperactivity disorder: voxel-based morphometry and region of interest approaches<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Neuroanatomy of attention deficit hyperactivity disorder: voxel-based morphometry and region of interest approaches <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Susana Carmona Ca\u00f1abate <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 05\/02\/2008<\/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>\u00f3scar Vilarroya Oliver<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: miquel Casas burgu\u00e9 <\/li>\n<li>cesar Carlos Avila rivera (vocal)<\/li>\n<li>carmen Junque plaja (vocal)<\/li>\n<li>carles Falcon falcon (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Susana Carmona Ca\u00f1abate El trastorno por d\u00e9ficit de atenci\u00f3n con hiperactividad (adhd) es un trastorno del desarrollo [&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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