{"id":7839,"date":"2026-11-11T13:16:09","date_gmt":"2026-11-11T18:16:09","guid":{"rendered":"https:\/\/canasanta.ca\/?p=7839"},"modified":"2026-11-11T13:16:50","modified_gmt":"2026-11-11T18:16:50","slug":"ia-tres-perfiles-cerebrales-tdah-ansiedad-ninos","status":"publish","type":"post","link":"https:\/\/canasanta.ca\/en\/salud\/ia-tres-perfiles-cerebrales-tdah-ansiedad-ninos\/","title":{"rendered":"LA IA REVELA TRES PERFILES CEREBRALES EN NI\u00d1OS"},"content":{"rendered":"

Una investigaci\u00f3n encabezada por cient\u00edficos de Stanford Medicine<\/strong> propone una manera diferente de comprender el trastorno por d\u00e9ficit de atenci\u00f3n e hiperactividad (TDAH) y los trastornos de ansiedad en ni\u00f1os. En lugar de separar a los participantes \u00fanicamente por el diagn\u00f3stico cl\u00ednico, los investigadores identificaron tres patrones de funcionamiento cerebral asociados con distintas combinaciones de dificultades emocionales y de conducta.<\/p>\n

El trabajo fue publicado originalmente el 16 de octubre de 2026<\/strong> en Nature Mental Health<\/em> y explicado por Stanford Medicine el 10 de noviembre. No se trata de una prueba cl\u00ednica disponible para familias, sino de un resultado de investigaci\u00f3n que podr\u00eda orientar futuros estudios sobre diagn\u00f3stico temprano y tratamientos personalizados.<\/p>\n

El TDAH y la ansiedad pueden presentarse juntos. Algunos ni\u00f1os experimentan problemas de atenci\u00f3n e impulsividad, mientras otros muestran preocupaci\u00f3n intensa, tensi\u00f3n o dificultades para regular sus emociones. La coincidencia de s\u00edntomas complica la interpretaci\u00f3n de las causas biol\u00f3gicas y hace que dos pacientes con el mismo diagn\u00f3stico puedan tener necesidades distintas.<\/p>\n

Para explorar esa heterogeneidad, el equipo estudi\u00f3 resonancias magn\u00e9ticas funcionales, pruebas cognitivas y evaluaciones conductuales de una gran cohorte estadounidense. La pregunta central no era si las etiquetas diagn\u00f3sticas estaban equivocadas, sino si el funcionamiento de las redes cerebrales revelaba diferencias que esas etiquetas no alcanzan a describir.<\/p>\n

Los datos principales proced\u00edan del proyecto longitudinal Adolescent Brain Cognitive Development<\/em>, que sigue el desarrollo de miles de menores en Estados Unidos. Los cient\u00edficos analizaron 3.508 participantes con TDAH, ansiedad o ambas condiciones al incorporarse al estudio; otros 693 que recibieron alguno de esos diagn\u00f3sticos posteriormente; y 1.947 ni\u00f1os sin esos diagn\u00f3sticos. Un conjunto adicional de 224 participantes permiti\u00f3 contrastar los resultados.<\/p>\n

Mediante un modelo de inteligencia artificial, el equipo examin\u00f3 la conectividad funcional: la manera en que diferentes regiones del cerebro coordinan su actividad. El an\u00e1lisis combin\u00f3 esas se\u00f1ales con informaci\u00f3n conductual para identificar dimensiones relacionadas con el control cognitivo, la atenci\u00f3n y la regulaci\u00f3n emocional.<\/p>\n

TRES PERFILES, NO TRES ENFERMEDADES<\/h2>\n

De esa combinaci\u00f3n surgieron tres perfiles. Uno, denominado externalizante-desinhibido<\/em>, se vincul\u00f3 m\u00e1s frecuentemente con impulsividad, oposici\u00f3n y dificultades para seguir reglas. Otro, internalizante-angustiado<\/em>, apareci\u00f3 asociado con tensi\u00f3n, culpa, perfeccionismo y s\u00edntomas ansiosos o depresivos. El tercero reuni\u00f3 caracter\u00edsticas mixtas, entre ellas problemas de atenci\u00f3n e irritabilidad.<\/p>\n

\"Profesionales
Imagen contextual de investigaci\u00f3n m\u00e9dica. Fotograf\u00eda: Accuray \/ Unsplash.<\/figcaption><\/figure>\n

Es importante subrayar que estos perfiles no equivalen a tres enfermedades nuevas. Los tres aparecieron en ni\u00f1os con TDAH, ansiedad o ambas condiciones. Aunque ciertas asociaciones fueron m\u00e1s frecuentes, ninguna categor\u00eda cl\u00ednica correspondi\u00f3 de forma exclusiva a un \u00fanico perfil cerebral.<\/p>\n

UNA SE\u00d1AL ANTERIOR AL DIAGN\u00d3STICO<\/h2>\n

Una observaci\u00f3n especialmente interesante fue que algunos patrones ya pod\u00edan identificarse en im\u00e1genes obtenidas antes de que determinados participantes recibieran un diagn\u00f3stico. Esto sugiere una posible utilidad futura como indicador de riesgo, pero no demuestra que una resonancia pueda anticipar con certeza qui\u00e9n desarrollar\u00e1 un trastorno.<\/p>\n

El investigador Yu Zhang<\/strong>, uno de los autores principales, considera que el enfoque podr\u00eda complementar las evaluaciones habituales. La posibilidad de reconocer diferencias biol\u00f3gicas entre pacientes abre preguntas sobre la respuesta a medicamentos, intervenciones psicol\u00f3gicas y apoyos escolares. Sin embargo, esas aplicaciones todav\u00eda requieren ensayos y validaciones independientes.<\/p>\n

Actualmente, el diagn\u00f3stico de TDAH y ansiedad depende de entrevistas cl\u00ednicas, antecedentes y observaci\u00f3n de s\u00edntomas en distintos entornos. El estudio no recomienda sustituir estos procedimientos por im\u00e1genes cerebrales ni utilizar inteligencia artificial para emitir diagn\u00f3sticos autom\u00e1ticos.<\/p>\n

LO QUE LA INVESTIGACI\u00d3N TODAV\u00cdA NO DEMUESTRA<\/h2>\n

Tambi\u00e9n existen limitaciones: las relaciones estad\u00edsticas entre actividad cerebral y conducta no establecen por s\u00ed solas causalidad; los resultados dependen de las poblaciones examinadas y deben comprobarse en otros grupos. Las im\u00e1genes funcionales ofrecen informaci\u00f3n valiosa para investigar redes neuronales, pero su interpretaci\u00f3n individual sigue siendo compleja.<\/p>\n

El hallazgo plantea una idea relevante para la medicina: dos ni\u00f1os que comparten una etiqueta diagn\u00f3stica pueden presentar mecanismos cerebrales diferentes. Comprender esa diversidad podr\u00eda permitir que futuras investigaciones abandonen la b\u00fasqueda de una \u00fanica explicaci\u00f3n biol\u00f3gica para problemas que se manifiestan de muchas maneras.<\/p>\n

Por ahora, el avance pertenece al terreno cient\u00edfico, no al de las herramientas de diagn\u00f3stico cotidiano. Su importancia est\u00e1 en ofrecer un mapa m\u00e1s detallado de las relaciones entre cerebro, emociones y conducta, y en se\u00f1alar preguntas concretas que los investigadores podr\u00e1n someter a prueba.<\/p>","protected":false},"excerpt":{"rendered":"

Una investigaci\u00f3n encabezada por cient\u00edficos de Stanford Medicine propone una manera diferente de comprender el trastorno por d\u00e9ficit de atenci\u00f3n e hiperactividad (TDAH) y los trastornos de ansiedad en ni\u00f1os. En lugar de separar a los participantes \u00fanicamente por el diagn\u00f3stico cl\u00ednico, los investigadores identificaron tres patrones de funcionamiento cerebral asociados con distintas combinaciones de […]<\/p>\n","protected":false},"author":284226809,"featured_media":7837,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[33205457,33205425,2127],"tags":[33208795,33208699,33208794],"class_list":["post-7839","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-al-dia","category-inteligencia-artificial","category-salud","tag-ansiedad-infantil","tag-neurodesarrollo","tag-tdah"],"acf":[],"yoast_head":"\nLA IA REVELA TRES PERFILES CEREBRALES EN NI\u00d1OS - Ca\u00f1asanta<\/title>\n<meta name=\"description\" content=\"Stanford identifica tres perfiles cerebrales asociados con TDAH y ansiedad infantil mediante IA. 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