{"id":91085,"date":"2025-09-19T20:24:08","date_gmt":"2025-09-20T01:24:08","guid":{"rendered":"https:\/\/thecitizenfortheworld.com\/?p=91085"},"modified":"2025-09-19T20:24:08","modified_gmt":"2025-09-20T01:24:08","slug":"cientificos-de-harvard-lograron-descifrar-el-dialogo-interno-del-cerebro-y-convertir-pensamientos-en-palabras","status":"publish","type":"post","link":"https:\/\/thecitizenfortheworld.com\/?p=91085","title":{"rendered":"Cient\u00edficos de Harvard lograron descifrar el di\u00e1logo interno del cerebro y convertir pensamientos en palabras"},"content":{"rendered":"<p>El avance combina implantes cerebrales y modelos de inteligencia artificial que permiten que personas con par\u00e1lisis expresen ideas mediante se\u00f1ales mentales. Cu\u00e1les son los retos de esta nueva tecnolog\u00eda, seg\u00fan los expertos<\/p>\n<p>El desarrollo de\u00a0<b>interfaces\u00a0<\/b><a title=\"https:\/\/www.infobae.com\/tag\/cerebro\/\" href=\"https:\/\/www.infobae.com\/tag\/cerebro\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-mrf-link=\"https:\/\/www.infobae.com\/tag\/cerebro\/\"><b>cerebro<\/b><\/a><b>-computadora (BCI)<\/b>\u00a0y modelos avanzados de\u00a0<a title=\"https:\/\/www.infobae.com\/tag\/inteligencia-artificial\/\" href=\"https:\/\/www.infobae.com\/tag\/inteligencia-artificial\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-mrf-link=\"https:\/\/www.infobae.com\/tag\/inteligencia-artificial\/\">inteligencia artificial<\/a>\u00a0abre un nuevo horizonte para quienes perdieron la capacidad de hablar. Un equipo de la\u00a0<b>Universidad de Harvard<\/b>\u00a0logr\u00f3 un avance significativo: descifrar el \u201chabla interna\u201d en personas con par\u00e1lisis. Los\u00a0<a title=\"https:\/\/www.cell.com\/cell\/fulltext\/S0092-8674%2825%2900681-6\" href=\"https:\/\/www.cell.com\/cell\/fulltext\/S0092-8674%2825%2900681-6\" target=\"_blank\" rel=\"noopener noreferrer\" data-mrf-link=\"https:\/\/www.cell.com\/cell\/fulltext\/S0092-8674%2825%2900681-6\">resultados<\/a>\u00a0se publicaron en la revista\u00a0<i>Cell<\/i>.<\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">El trabajo, conducido por\u00a0<b>Daniel Rubin<\/b>,\u00a0<b>Ziv Williams<\/b>\u00a0y\u00a0<b>Leigh Hochberg<\/b>\u00a0junto a BrainGate y el Hospital General de Massachusetts, marca un avance tras d\u00e9cadas de investigaci\u00f3n en neurociencia y tecnolog\u00eda m\u00e9dica. Hasta ahora, el uso de las\u00a0<b>BCI<\/b>\u00a0permit\u00eda a personas con par\u00e1lisis manejar dispositivos o escribir mediante se\u00f1ales cerebrales asociadas a movimientos imaginados. El nuevo estudio va m\u00e1s all\u00e1, enfoc\u00e1ndose en decodificar el di\u00e1logo silencioso que ocurre en la mente: ese\u00a0<b>habla interna que nunca se pronuncia en voz alta<\/b>.<\/p>\n<div class=\"headline-wrapper\">\n<h2 class=\"header headline-class-h2\">Tecnolog\u00eda detr\u00e1s de la decodificaci\u00f3n<\/h2>\n<p>La t\u00e9cnica se basa en implantar peque\u00f1as matrices de electrodos en la corteza motora del cerebro de los participantes. Estos sensores registran las se\u00f1ales vinculadas a los m\u00fasculos del habla, como la boca, la mand\u00edbula y la lengua, cuando los individuos intentan pronunciar frases concretas. Aunque los m\u00fasculos no se muevan, el cerebro sigue enviando las \u00f3rdenes correspondientes.<\/p>\n<div class=\"visual__image\"><picture><img decoding=\"async\" loading=\"lazy\" class=\"global-image\" src=\"https:\/\/www.infobae.com\/resizer\/v2\/CI6XZSHJZ5E35J2BAG33KMGEWQ.png?auth=a4aa421c4ba3a1eaed52fd57513742e62cdfb89aed45f9589b87f15de65656a0&amp;smart=true&amp;width=350&amp;height=233&amp;quality=85\" alt=\"El estudio, publicado en Cell,\" width=\"1536\" height=\"1024\" \/><\/picture><em>El estudio, publicado en Cell, utiliza electrodos implantados y modelos de aprendizaje autom\u00e1tico para interpretar se\u00f1ales cerebrales (Imagen Ilustrativa Infobae)<\/em><\/div>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">Luego, modelos de aprendizaje autom\u00e1tico procesan estas se\u00f1ales para reconstruir las palabras o frases m\u00e1s probables, empleando una base de treinta y nueve fonemas del ingl\u00e9s. Como explic\u00f3\u00a0<b>Ziv Williams:<\/b>\u00a0\u201cPor ejemplo, si se detectan patrones cerebrales que corresponden al sonido \u2018D\u2019 y al sonido \u2018G\u2019, hay mucha probabilidad de que la palabra que buscan sea \u2018dog\u2019 (perro en ingl\u00e9s)\u201d.<\/p>\n<p data-mrf-recirculation=\"Links inline\">As\u00ed, incluso cuando la persona no emite sonidos, el intento mental de pronunciar queda registrado y parcialmente traducido a palabras.<\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">Tras demostrar la decodificaci\u00f3n de palabras pensadas y con intenci\u00f3n de pronunciar, el equipo avanz\u00f3 hacia un reto mayor: identificar palabras que solo existen en el pensamiento, sin siquiera intenci\u00f3n de decirlas. En uno de los experimentos, los participantes contaban figuras utilizando solo su habla interna.\u00a0<b>Los algoritmos identificaron los n\u00fameros pensados<\/b>, un hito para la decodificaci\u00f3n de pensamientos.<\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">Por ejemplo, si alguien cuenta mentalmente del uno al cinco, el sistema puede detectar esas palabras num\u00e9ricas y reconstruirlas. Aunque el sistema a\u00fan no logra leer cualquier pensamiento, los investigadores consideran este avance un paso decisivo hacia la interpretaci\u00f3n directa de ideas.<\/p>\n<div class=\"headline-wrapper\">\n<h2 class=\"header headline-class-h2\">Limitaciones y desaf\u00edos pendientes<\/h2>\n<\/div>\n<div class=\"visual__image\"><picture><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/4QLC53UGDJE5BFR6LKPLU7TGSQ.png?auth=b0bd94bc2d6efbf45243280d61dcf388cb322cdcce14e7777d7b464982ed82c0&amp;smart=true&amp;width=992&amp;height=661&amp;quality=85\" media=\"(min-width: 1000px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/4QLC53UGDJE5BFR6LKPLU7TGSQ.png?auth=b0bd94bc2d6efbf45243280d61dcf388cb322cdcce14e7777d7b464982ed82c0&amp;smart=true&amp;width=768&amp;height=512&amp;quality=85\" media=\"(min-width: 768px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/4QLC53UGDJE5BFR6LKPLU7TGSQ.png?auth=b0bd94bc2d6efbf45243280d61dcf388cb322cdcce14e7777d7b464982ed82c0&amp;smart=true&amp;width=577&amp;height=385&amp;quality=85\" media=\"(min-width: 580px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/4QLC53UGDJE5BFR6LKPLU7TGSQ.png?auth=b0bd94bc2d6efbf45243280d61dcf388cb322cdcce14e7777d7b464982ed82c0&amp;smart=true&amp;width=420&amp;height=280&amp;quality=85\" media=\"(min-width: 350px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/4QLC53UGDJE5BFR6LKPLU7TGSQ.png?auth=b0bd94bc2d6efbf45243280d61dcf388cb322cdcce14e7777d7b464982ed82c0&amp;smart=true&amp;width=350&amp;height=233&amp;quality=85\" media=\"(min-width: 80px)\" \/><img decoding=\"async\" loading=\"lazy\" class=\"global-image\" src=\"https:\/\/www.infobae.com\/resizer\/v2\/4QLC53UGDJE5BFR6LKPLU7TGSQ.png?auth=b0bd94bc2d6efbf45243280d61dcf388cb322cdcce14e7777d7b464982ed82c0&amp;smart=true&amp;width=350&amp;height=233&amp;quality=85\" alt=\"El sistema identifica palabras y\" width=\"1536\" height=\"1024\" \/><\/picture><em>El sistema identifica palabras y n\u00fameros pensados, aunque enfrenta desaf\u00edos con pensamientos desestructurados o no verbales (Imagen Ilustrativa Infobae)<\/em><\/div>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">A pesar del progreso, persisten desaf\u00edos. Al intentar decodificar pensamientos desestructurados, como recuerdos personales o evocaciones, el sistema result\u00f3 impreciso y solo obtuvo informaci\u00f3n neural inespec\u00edfica.<\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\"><b>Daniel Rubin<\/b>\u00a0subray\u00f3 la complejidad de la tarea: \u201cLa experiencia del pensamiento interno es diferente en cada individuo. Cuando pienso, oigo mi propia voz; siempre tengo un mon\u00f3logo interno. Pero esa no es necesariamente una experiencia universal\u201d. Algunas personas, sobre todo quienes utilizan lenguaje de se\u00f1as, pueden experimentar el pensamiento como movimientos o im\u00e1genes, lo que a\u00f1ade un obst\u00e1culo extra, ya que\u00a0<b>las concepciones del pensamiento var\u00edan<\/b>\u00a0entre individuos.<\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">Decodificar el habla interna es viable si sigue la estructura del lenguaje. Si predominan im\u00e1genes o sensaciones, las herramientas actuales todav\u00eda no pueden realizar esa traducci\u00f3n.<\/p>\n<div class=\"headline-wrapper\">\n<h2 class=\"header headline-class-h2\">Impacto real y futuro de la tecnolog\u00eda<\/h2>\n<\/div>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">Pese a las limitaciones t\u00e9cnicas, el impacto ya es tangible en la vida de los participantes. Dos de las cuatro personas estudiadas emplean la BCI como su principal v\u00eda de expresi\u00f3n. Rubin destac\u00f3: \u201cLa comunicaci\u00f3n es fundamental para nosotros como personas\u201d, y cada avance aporta una mejora genuina en la calidad de vida de quienes enfrentan barreras para comunicarse.<\/p>\n<div class=\"visual__image\"><picture><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/TJV2OFGYOJBABJPBFFOIENXR6I.jpg?auth=38859c5f056628ca0e374423faa8b983df3392b0c3ac1c4e4a3b3eca26608edc&amp;smart=true&amp;width=992&amp;height=558&amp;quality=85\" media=\"(min-width: 1000px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/TJV2OFGYOJBABJPBFFOIENXR6I.jpg?auth=38859c5f056628ca0e374423faa8b983df3392b0c3ac1c4e4a3b3eca26608edc&amp;smart=true&amp;width=768&amp;height=432&amp;quality=85\" media=\"(min-width: 768px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/TJV2OFGYOJBABJPBFFOIENXR6I.jpg?auth=38859c5f056628ca0e374423faa8b983df3392b0c3ac1c4e4a3b3eca26608edc&amp;smart=true&amp;width=577&amp;height=325&amp;quality=85\" media=\"(min-width: 580px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/TJV2OFGYOJBABJPBFFOIENXR6I.jpg?auth=38859c5f056628ca0e374423faa8b983df3392b0c3ac1c4e4a3b3eca26608edc&amp;smart=true&amp;width=420&amp;height=236&amp;quality=85\" media=\"(min-width: 350px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/TJV2OFGYOJBABJPBFFOIENXR6I.jpg?auth=38859c5f056628ca0e374423faa8b983df3392b0c3ac1c4e4a3b3eca26608edc&amp;smart=true&amp;width=350&amp;height=197&amp;quality=85\" media=\"(min-width: 80px)\" \/><img decoding=\"async\" loading=\"lazy\" class=\"global-image\" src=\"https:\/\/www.infobae.com\/resizer\/v2\/TJV2OFGYOJBABJPBFFOIENXR6I.jpg?auth=38859c5f056628ca0e374423faa8b983df3392b0c3ac1c4e4a3b3eca26608edc&amp;smart=true&amp;width=350&amp;height=197&amp;quality=85\" alt=\"Nuevos implantes con mayor densidad\" width=\"1920\" height=\"1080\" \/><\/picture><em>Nuevos implantes con mayor densidad de electrodos prometen una decodificaci\u00f3n m\u00e1s precisa y natural del habla interna (Imagen ilustrativa Infobae)<\/em><\/div>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">El proceso todav\u00eda es lento, pero\u00a0<b>abre la puerta a la recuperaci\u00f3n de la autonom\u00eda<\/b>\u00a0y refuerza la integraci\u00f3n social.<\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">Implantes de nueva generaci\u00f3n, con mayor densidad de electrodos, permitir\u00e1n captar se\u00f1ales neuronales m\u00e1s detalladas y complejas, por lo que la decodificaci\u00f3n del habla interna ser\u00e1 m\u00e1s precisa. Esto podr\u00eda derivar en sistemas capaces de convertir pensamientos internos en frases completas, facilitando una comunicaci\u00f3n mucho m\u00e1s natural.<\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">El compromiso de los participantes resulta esencial para estos avances. Muchos colaboran con la intenci\u00f3n de que su experiencia beneficie a futuras generaciones, sentando las bases para una comunicaci\u00f3n m\u00e1s plena y aut\u00f3noma en personas con par\u00e1lisis.<\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">La posibilidad de\u00a0<b>convertir pensamientos en palabras se acerca, dejando de ser una fantas\u00eda tecnol\u00f3gica para afianzarse como realidad creciente<\/b>. El objetivo ahora es ampliar los l\u00edmites de la comprensi\u00f3n cerebral, para que quienes no pueden hablar logren expresarse simplemente pensando en lo que desean comunicar.<\/p>\n<p data-mrf-recirculation=\"Links inline\">(Con informaci\u00f3n de Infobae)<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>El avance combina implantes cerebrales y modelos de inteligencia artificial que permiten que personas con par\u00e1lisis expresen ideas mediante se\u00f1ales mentales. Cu\u00e1les son los retos de esta nueva tecnolog\u00eda, seg\u00fan los expertos El desarrollo de\u00a0interfaces\u00a0cerebro-computadora (BCI)\u00a0y modelos avanzados de\u00a0inteligencia artificial\u00a0abre un nuevo horizonte para quienes perdieron la capacidad de hablar. Un equipo de la\u00a0Universidad de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":91086,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false},"categories":[7],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cient\u00edficos de Harvard lograron descifrar el di\u00e1logo interno del cerebro y convertir pensamientos en palabras - The citizen for the world<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thecitizenfortheworld.com\/?p=91085\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cient\u00edficos de Harvard lograron descifrar el di\u00e1logo interno del cerebro y convertir pensamientos en palabras - The citizen for the world\" \/>\n<meta property=\"og:description\" content=\"El avance combina implantes cerebrales y modelos de inteligencia artificial que permiten que personas con par\u00e1lisis expresen ideas mediante se\u00f1ales mentales. Cu\u00e1les son los retos de esta nueva tecnolog\u00eda, seg\u00fan los expertos El desarrollo de\u00a0interfaces\u00a0cerebro-computadora (BCI)\u00a0y modelos avanzados de\u00a0inteligencia artificial\u00a0abre un nuevo horizonte para quienes perdieron la capacidad de hablar. 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