{"id":93037,"date":"2026-09-08T19:52:48","date_gmt":"2026-09-09T00:52:48","guid":{"rendered":"https:\/\/thecitizenfortheworld.com\/?p=93037"},"modified":"2026-09-08T19:52:48","modified_gmt":"2026-09-09T00:52:48","slug":"un-estudio-revelo-como-el-sueno-profundo-puede-predecir-la-resiliencia-frente-al-estres","status":"publish","type":"post","link":"https:\/\/thecitizenfortheworld.com\/?p=93037","title":{"rendered":"Un estudio revel\u00f3 c\u00f3mo el sue\u00f1o profundo puede predecir la resiliencia frente al estr\u00e9s"},"content":{"rendered":"<p class=\"article-subheadline text-align-left\">Una investigaci\u00f3n en ratones hall\u00f3 se\u00f1ales neuronales previas a la exposici\u00f3n al conflicto que permiten anticipar qui\u00e9nes muestran mayor resiliencia frente a experiencias adversas<\/p>\n<p>Dormir no solo es \u00fatil para descansar el cuerpo: tambi\u00e9n moldea la forma en que el cerebro responde a las <b>situaciones dif\u00edciles<\/b>. La <b>resiliencia<\/b>, que es la capacidad de recuperarse frente a <b>experiencias adversas<\/b>, no es solo un rasgo de personalidad ni el resultado de <b>decisiones conscientes<\/b>.<\/p>\n<p>Seg\u00fan la ciencia, una parte de esa capacidad se decide durante las <b>horas de sue\u00f1o<\/b>, en patrones de <b>actividad neuronal<\/b> que ocurren sin que nadie los perciba.<\/p>\n<p>Un <a href=\"https:\/\/www.jneurosci.org\/content\/early\/2026\/08\/28\/JNEUROSCI.0509-26.2026\" rel=\"noopener\" data-mrf-link=\"https:\/\/www.jneurosci.org\/content\/early\/2026\/08\/28\/JNEUROSCI.0509-26.2026\">estudio <\/a>publicado en el <i>Journal of Neuroscience<\/i> investig\u00f3 esa relaci\u00f3n en ratones. El equipo del investigador <b>Christopher Ehlen<\/b> analiz\u00f3 qu\u00e9 sucede en una zona espec\u00edfica del cerebro durante el <b>sue\u00f1o profundo<\/b> y encontr\u00f3 <b>se\u00f1ales concretas<\/b> que anticipan qui\u00e9n resiste el <b>estr\u00e9s social<\/b>, y qui\u00e9n no, antes de que este aparezca.<\/p>\n<h2 id=\"el-sueno-profundo-en-una-zona-clave-del-cerebro-predice-como-se-responde-al-estres\" class=\"text-align-left vertical-align-top line-height-100 header headline-class-h2 headline\">El sue\u00f1o profundo en una zona clave del cerebro predice c\u00f3mo se responde al estr\u00e9s<\/h2>\n<p class=\"paragraph\" data-paragraph-number=\"4\" data-mrf-recirculation=\"Links inline\">El foco del estudio recae sobre la <b>corteza prel\u00edmbica<\/b>, una regi\u00f3n del cerebro de los ratones que interviene en la regulaci\u00f3n de las <b>respuestas emocionales<\/b> y su relaci\u00f3n con el entorno. Dicho de otra manera, esta zona act\u00faa como un <b>regulador<\/b> que eval\u00faa las situaciones y modera las reacciones emocionales ante ellas.<\/p>\n<div class=\"visual__image\"><picture><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/QRPXOHHFP5BIVHFRLMMDS7ZIUI.jpg?auth=1b45c04f8c897e86957bf5dc4ef5c9d22f5e8c165ae88f860622a1953a68441f&amp;smart=true&amp;width=992&amp;height=558&amp;quality=85\" media=\"(min-width: 1000px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/QRPXOHHFP5BIVHFRLMMDS7ZIUI.jpg?auth=1b45c04f8c897e86957bf5dc4ef5c9d22f5e8c165ae88f860622a1953a68441f&amp;smart=true&amp;width=768&amp;height=432&amp;quality=85\" media=\"(min-width: 768px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/QRPXOHHFP5BIVHFRLMMDS7ZIUI.jpg?auth=1b45c04f8c897e86957bf5dc4ef5c9d22f5e8c165ae88f860622a1953a68441f&amp;smart=true&amp;width=577&amp;height=325&amp;quality=85\" media=\"(min-width: 580px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/QRPXOHHFP5BIVHFRLMMDS7ZIUI.jpg?auth=1b45c04f8c897e86957bf5dc4ef5c9d22f5e8c165ae88f860622a1953a68441f&amp;smart=true&amp;width=420&amp;height=236&amp;quality=85\" media=\"(min-width: 350px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/QRPXOHHFP5BIVHFRLMMDS7ZIUI.jpg?auth=1b45c04f8c897e86957bf5dc4ef5c9d22f5e8c165ae88f860622a1953a68441f&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\/QRPXOHHFP5BIVHFRLMMDS7ZIUI.jpg?auth=1b45c04f8c897e86957bf5dc4ef5c9d22f5e8c165ae88f860622a1953a68441f&amp;smart=true&amp;width=350&amp;height=197&amp;quality=85\" alt=\"Modelo tridimensional de un cerebro humano en tono azul cian con conexiones brillantes de color rojo y naranja sobre fondo oscuro\" width=\"1920\" height=\"1080\" \/><\/picture><em>Los per\u00edodos OFF de las neuronas aparecen sobre todo en el sue\u00f1o no REM y se vinculan con el descanso reparador. (Imagen Ilustrativa Infobae)<\/em><\/div>\n<p class=\"paragraph\" data-paragraph-number=\"5\" data-mrf-recirculation=\"Links inline\">Durante el sue\u00f1o, las neuronas de esta regi\u00f3n atraviesan <b>per\u00edodos de silencio<\/b>, es decir, momentos en los que dejan de disparar <b>se\u00f1ales el\u00e9ctricas<\/b>. Estos silencios se conocen como \u201c<b>per\u00edodos OFF<\/b>\u201d y, seg\u00fan el estudio, ocurren principalmente durante el sue\u00f1o no REM (<b>NREM<\/b>), la fase del sue\u00f1o sin movimientos oculares r\u00e1pidos, que es la m\u00e1s larga y considerada la m\u00e1s reparadora.<\/p>\n<p data-paragraph-number=\"5\" data-mrf-recirculation=\"Links inline\">El trabajo precisa que estos per\u00edodos de silencio coinciden con las <b>ondas lentas<\/b>, que son pulsos de actividad el\u00e9ctrica que el cerebro produce de forma r\u00edtmica durante el sue\u00f1o profundo y que funcionan como la \u201cfirma\u201d caracter\u00edstica del <b>descanso<\/b> m\u00e1s reparador.<\/p>\n<p class=\"paragraph\" data-paragraph-number=\"7\" data-mrf-recirculation=\"Links inline\">El <b>hallazgo central<\/b> es que los ratones que luego demostraron ser resilientes ya ten\u00edan, antes de cualquier situaci\u00f3n estresante, una <b>sincronizaci\u00f3n<\/b> m\u00e1s estrecha entre la frecuencia de esos silencios neuronales y la cantidad de ondas lentas, en comparaci\u00f3n con los animales que luego resultaron susceptibles.<\/p>\n<p class=\"paragraph\" data-paragraph-number=\"8\" data-mrf-recirculation=\"Links inline\">Dicho de otro modo: en los ratones m\u00e1s resistentes al estr\u00e9s, el cerebro ya dorm\u00eda de una manera diferente y m\u00e1s organizada. En palabras de <b>Ehlen<\/b>: \u201cLa calidad del sue\u00f1o parece dictar c\u00f3mo la <b>corteza prel\u00edmbica<\/b> suprime las respuestas emocionales\u201d. Es decir, seg\u00fan el investigador, dormir bien o mal determina directamente qu\u00e9 tan capaz es esa regi\u00f3n del cerebro de moderar las reacciones ante situaciones dif\u00edciles.<\/p>\n<h2 id=\"que-observaron-los-cientificos-dentro-del-cerebro-de-los-ratones\" class=\"text-align-left vertical-align-top line-height-100 header headline-class-h2 headline\">Qu\u00e9 observaron los cient\u00edficos dentro del cerebro de los ratones<\/h2>\n<div class=\"visual__image\"><picture><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/MAO7G34B7BBTXBHVNLWAHYEU24.png?auth=1488d055696160bb14fc07c55d91b5a72995f19d1d7c51ac5be0a40b751a7a49&amp;smart=true&amp;width=992&amp;height=541&amp;quality=85\" media=\"(min-width: 1000px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/MAO7G34B7BBTXBHVNLWAHYEU24.png?auth=1488d055696160bb14fc07c55d91b5a72995f19d1d7c51ac5be0a40b751a7a49&amp;smart=true&amp;width=768&amp;height=419&amp;quality=85\" media=\"(min-width: 768px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/MAO7G34B7BBTXBHVNLWAHYEU24.png?auth=1488d055696160bb14fc07c55d91b5a72995f19d1d7c51ac5be0a40b751a7a49&amp;smart=true&amp;width=577&amp;height=315&amp;quality=85\" media=\"(min-width: 580px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/MAO7G34B7BBTXBHVNLWAHYEU24.png?auth=1488d055696160bb14fc07c55d91b5a72995f19d1d7c51ac5be0a40b751a7a49&amp;smart=true&amp;width=420&amp;height=229&amp;quality=85\" media=\"(min-width: 350px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/MAO7G34B7BBTXBHVNLWAHYEU24.png?auth=1488d055696160bb14fc07c55d91b5a72995f19d1d7c51ac5be0a40b751a7a49&amp;smart=true&amp;width=350&amp;height=191&amp;quality=85\" media=\"(min-width: 80px)\" \/><img decoding=\"async\" loading=\"lazy\" class=\"global-image\" src=\"https:\/\/www.infobae.com\/resizer\/v2\/MAO7G34B7BBTXBHVNLWAHYEU24.png?auth=1488d055696160bb14fc07c55d91b5a72995f19d1d7c51ac5be0a40b751a7a49&amp;smart=true&amp;width=350&amp;height=191&amp;quality=85\" alt=\"Primer plano de un rat\u00f3n de laboratorio gris-marr\u00f3n sobre una superficie blanca, con chispas de luz y patrones de ondas el\u00e9ctricas vibrantes sobre su cabeza.\" width=\"1408\" height=\"768\" \/><\/picture><em>Un estudio en ratones publicado en el Journal of Neuroscience hall\u00f3 se\u00f1ales neuronales que anticipan qui\u00e9n resiste el estr\u00e9s social. (Imagen Ilustrativa Infobae)<\/em><\/div>\n<p class=\"paragraph\" data-paragraph-number=\"9\" data-mrf-recirculation=\"Links inline\">Para llegar a estas conclusiones, el equipo realiz\u00f3 mediciones de la actividad el\u00e9ctrica en la corteza prel\u00edmbica de ratones macho repetidas a lo largo del tiempo. Usaron dos t\u00e9cnicas: el registro de <b>unidades individuales<\/b>, que capta la actividad de neuronas aisladas, y el registro de <b>potenciales de campo local<\/b>, que mide la actividad el\u00e9ctrica de grupos de c\u00e9lulas en una zona determinada del cerebro.<\/p>\n<p class=\"paragraph\" data-paragraph-number=\"10\" data-mrf-recirculation=\"Links inline\">Los animales atravesaron un protocolo de cinco d\u00edas llamado <b>paradigma de derrota social<\/b>, en el que fueron expuestos de forma repetida a situaciones de confrontaci\u00f3n con otros ratones dominantes. Los registros se tomaron antes y despu\u00e9s de esa experiencia, lo que permiti\u00f3 comparar el estado del cerebro previo al estr\u00e9s con el posterior.<\/p>\n<p class=\"paragraph\" data-paragraph-number=\"11\" data-mrf-recirculation=\"Links inline\">Tras la exposici\u00f3n al estr\u00e9s, los ratones resilientes mostraron cambios en la forma en que su cerebro se organizaba durante el sue\u00f1o profundo. Los silencios neuronales se volvieron m\u00e1s breves y se repartieron de manera m\u00e1s uniforme a lo largo de la noche, en lugar de concentrarse en momentos puntuales.<\/p>\n<p class=\"paragraph\" data-paragraph-number=\"12\" data-mrf-recirculation=\"Links inline\">Al mismo tiempo, la velocidad con que las neuronas se activan y env\u00edan se\u00f1ales tambi\u00e9n se redistribuy\u00f3 de forma generalizada en toda la corteza, y ese cambio fue m\u00e1s marcado en los ratones que resistieron el estr\u00e9s que en los que no lo hicieron.<\/p>\n<h2 id=\"el-estudio-deja-una-pregunta-clave-para-la-salud-mental\" class=\"text-align-left vertical-align-top line-height-100 header headline-class-h2 headline\">El estudio deja una pregunta clave para la salud mental<\/h2>\n<div class=\"visual__image\"><picture><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/7NKJDHYCBBHD3E45UPH6CEHKPQ.png?auth=9204aa30932abcefb8e3bad4e4a4a9984554533a0bbb6518a77c2d7509d9a4e2&amp;smart=true&amp;width=992&amp;height=661&amp;quality=85\" media=\"(min-width: 1000px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/7NKJDHYCBBHD3E45UPH6CEHKPQ.png?auth=9204aa30932abcefb8e3bad4e4a4a9984554533a0bbb6518a77c2d7509d9a4e2&amp;smart=true&amp;width=768&amp;height=512&amp;quality=85\" media=\"(min-width: 768px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/7NKJDHYCBBHD3E45UPH6CEHKPQ.png?auth=9204aa30932abcefb8e3bad4e4a4a9984554533a0bbb6518a77c2d7509d9a4e2&amp;smart=true&amp;width=577&amp;height=385&amp;quality=85\" media=\"(min-width: 580px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/7NKJDHYCBBHD3E45UPH6CEHKPQ.png?auth=9204aa30932abcefb8e3bad4e4a4a9984554533a0bbb6518a77c2d7509d9a4e2&amp;smart=true&amp;width=420&amp;height=280&amp;quality=85\" media=\"(min-width: 350px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/7NKJDHYCBBHD3E45UPH6CEHKPQ.png?auth=9204aa30932abcefb8e3bad4e4a4a9984554533a0bbb6518a77c2d7509d9a4e2&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\/7NKJDHYCBBHD3E45UPH6CEHKPQ.png?auth=9204aa30932abcefb8e3bad4e4a4a9984554533a0bbb6518a77c2d7509d9a4e2&amp;smart=true&amp;width=350&amp;height=233&amp;quality=85\" alt=\"Los investigadores buscan marcadores neurobiol\u00f3gicos en humanos para identificar la propensi\u00f3n a la resiliencia o a la susceptibilidad al estr\u00e9s. (Imagen Ilustrativa Infobae)\" width=\"1536\" height=\"1024\" \/><\/picture><em>Los investigadores buscan marcadores neurobiol\u00f3gicos en humanos para identificar la propensi\u00f3n a la resiliencia o a la susceptibilidad al estr\u00e9s. (Imagen Ilustrativa Infobae)<\/em><\/div>\n<p class=\"paragraph\" data-paragraph-number=\"13\" data-mrf-recirculation=\"Links inline\">Ehlen y su equipo planean explorar si privar de sue\u00f1o a los ratones resilientes altera la <b>actividad neuronal<\/b> en la corteza prel\u00edmbica. La pregunta que gu\u00eda esa pr\u00f3xima etapa es si el sue\u00f1o profundo es, en efecto, la causa directa de la resiliencia o simplemente un <b>indicador asociado<\/b>.<\/p>\n<p class=\"paragraph\" data-paragraph-number=\"14\" data-mrf-recirculation=\"Links inline\">\u201cNuestra suposici\u00f3n es que los animales susceptibles al estr\u00e9s no duermen tan profundamente y que existe una respuesta activa al estr\u00e9s que est\u00e1 intacta en los animales resilientes gracias a su sue\u00f1o profundo\u201d, expres\u00f3.<\/p>\n<p data-paragraph-number=\"14\" data-mrf-recirculation=\"Links inline\">M\u00e1s all\u00e1 de los modelos animales, el estudio apunta a un <b>horizonte cl\u00ednico<\/b> concreto. Los investigadores tambi\u00e9n buscan que este trabajo informe estudios en humanos orientados a encontrar <b>marcadores neurobiol\u00f3gicos<\/b> (se\u00f1ales medibles en el cerebro) que permitan identificar, antes de que ocurra una crisis, qu\u00e9 personas tienen mayor o menor propensi\u00f3n a la resiliencia o a la susceptibilidad al estr\u00e9s. El estudio indica que los hallazgos \u201cproveen un marco para entender c\u00f3mo la <b>plasticidad<\/b> de los circuitos dependiente del sue\u00f1o protege contra el estr\u00e9s\u201d.<\/p>\n<p data-paragraph-number=\"14\" data-mrf-recirculation=\"Links inline\">(<em>Con informaci\u00f3n de Infobae)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Una investigaci\u00f3n en ratones hall\u00f3 se\u00f1ales neuronales previas a la exposici\u00f3n al conflicto que permiten anticipar qui\u00e9nes muestran mayor resiliencia frente a experiencias adversas Dormir no solo es \u00fatil para descansar el cuerpo: tambi\u00e9n moldea la forma en que el cerebro responde a las situaciones dif\u00edciles. La resiliencia, que es la capacidad de recuperarse frente [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":93038,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false},"categories":[6],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Un estudio revel\u00f3 c\u00f3mo el sue\u00f1o profundo puede predecir la resiliencia frente al estr\u00e9s - 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=93037\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un estudio revel\u00f3 c\u00f3mo el sue\u00f1o profundo puede predecir la resiliencia frente al estr\u00e9s - The citizen for the world\" \/>\n<meta property=\"og:description\" content=\"Una investigaci\u00f3n en ratones hall\u00f3 se\u00f1ales neuronales previas a la exposici\u00f3n al conflicto que permiten anticipar qui\u00e9nes muestran mayor resiliencia frente a experiencias adversas Dormir no solo es \u00fatil para descansar el cuerpo: tambi\u00e9n moldea la forma en que el cerebro responde a las situaciones dif\u00edciles. 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