{"id":74241,"date":"2026-06-25T06:01:07","date_gmt":"2026-06-25T06:01:07","guid":{"rendered":"https:\/\/lobosnews.com.ar\/index.php\/2026\/06\/25\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores\/"},"modified":"2026-06-25T13:05:39","modified_gmt":"2026-06-25T13:05:39","slug":"la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores","status":"publish","type":"post","link":"https:\/\/lobosnews.com.ar\/index.php\/2026\/06\/25\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores\/","title":{"rendered":"La risa visceral surge del cerebro primitivo, seg\u00fan los investigadores"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores.jpg\" alt=\"\" height=\"635\" width=\"1200\"\/><\/p>\n<p>MI\u00c9RCOLES, 24 de junio de 2026 (HealthDay News) &#8212; \u00bfAlguna vez te has echado a re\u00edr cuando algo gracioso te golpea de repente? \u00bfO te da una risita tan fuerte que no puedes parar, aunque te duelan los costados?<\/p>\n<p>Ese tipo de risa espont\u00e1nea podr\u00eda originarse en una parte m\u00e1s primitiva del cerebro humano, informaron los investigadores el 23 de junio en la revista Trends in Neurosciences.<\/p>\n<p>Adem\u00e1s, la zona cerebral asociada a esas risas es completamente diferente de la zona que provoca una risa en respuesta a un chiste de tu jefe o a una r\u00e9plica ingeniosa en una reuni\u00f3n social, encontraron los investigadores.<\/p>\n<p>Este modelo de doble sistema de la risa podr\u00eda arrojar nueva luz sobre condiciones psiqui\u00e1tricas que pueden causar risa incontrolable, incluyendo trastornos convulsivos, trastornos del estado de \u00e1nimo, enfermedad de Alzheimer y esquizofrenia, argumentan los investigadores.<\/p>\n<p>Tambi\u00e9n podr\u00eda ayudar a explicar por qu\u00e9 la risa se describe como la mejor medicina.<\/p>\n<p>Las regiones cerebrales vinculadas a la risa espont\u00e1nea tambi\u00e9n est\u00e1n implicadas en la regulaci\u00f3n emocional, se\u00f1alaron los investigadores. Estimularlos produce risas acompa\u00f1adas de un mejor estado de \u00e1nimo, euforia y diversi\u00f3n.<\/p>\n<p>Y una de esas regiones &#8212; el c\u00edngulo anterior &#8212; es un actor importante en el sistema de amortiguamiento del dolor cerebral.<\/p>\n<p>\u00abEl papel de estos circuitos en la modulaci\u00f3n del dolor tambi\u00e9n es intrigante\u00bb, dijo en un comunicado de prensa el investigador principal Fausto Caruana, cient\u00edfico s\u00e9nior del Consejo Nacional de Investigaci\u00f3n de Italia. \u00abNos interesa investigar m\u00e1s a fondo el papel analg\u00e9sico de la risa y los circuitos neuronales que la sostienen.\u00bb<\/p>\n<p>En el estudio, los investigadores analizaron las diferencias entre la risa espont\u00e1nea y la risa voluntaria, o la risa m\u00e1s controlada que ocurre durante la interacci\u00f3n con alguien.<\/p>\n<p>\u00abPiensa en la \u00faltima vez que te re\u00edas y no pod\u00edas parar\u00bb, dijo la investigadora principal Sophie Scott, investigadora principal en University College London en el Reino Unido, en un comunicado de prensa. \u00abAlgo te ha alterado y est\u00e1s impotente de alegr\u00eda.\u00bb<\/p>\n<p>Eso es risa espont\u00e1nea. El otro tipo, la risa voluntaria, est\u00e1 lejos de ser espont\u00e1nea, seg\u00fan los investigadores.<\/p>\n<p>\u00abEsa es la mayor parte de la risa que encuentras\u00bb, dijo Scott sobre la risa voluntaria. \u00abEst\u00e1 cronometrado con una precisi\u00f3n incre\u00edble. Si observas a la gente conversando, se r\u00eden juntos al final de una frase y luego respiran juntos.<\/p>\n<p>\u00abCuando la gente habla entre s\u00ed, la risa voluntaria empieza y se detiene muy r\u00e1pido\u00bb, a\u00f1adi\u00f3 Scott.<\/p>\n<p>Para comprender mejor estas diferencias, los investigadores recurrieron a los informes de estimulaci\u00f3n cerebral prequir\u00fargica en pacientes con epilepsia.<\/p>\n<p>Durante estos procedimientos, los cl\u00ednicos estimulan el\u00e9ctricamente diferentes partes del cerebro de una persona mientras est\u00e1 despierta para identificar qu\u00e9 regiones est\u00e1n causando las convulsiones. Esta estimulaci\u00f3n suele provocar sin querer risas en el paciente.<\/p>\n<p>Bas\u00e1ndose en esas observaciones, los investigadores argumentan la existencia de dos redes cerebrales distintas que subyacen a la risa:<\/p>\n<p>La red espont\u00e1nea consiste en regiones implicadas en el control motor y las emociones, incluyendo la corteza cingulada anterior pregenual, el n\u00facleo accumbens y el polo temporal.<br \/>\nLa red voluntaria consiste en \u00e1reas dedicadas exclusivamente al control motor de la risa y la sonrisa, como el op\u00e9rculo rol\u00e1nico, el globo p\u00e1lido y el \u00e1rea motora presuplementaria.<\/p>\n<p>La estimulaci\u00f3n de las regiones de la red voluntaria provocar\u00e1 risas en los pacientes, pero sin las emociones positivas que surgen de la estimulaci\u00f3n espont\u00e1nea de la red.<\/p>\n<p>Los investigadores piensan que la red espont\u00e1nea es una v\u00eda evolutivamente m\u00e1s antigua que surgi\u00f3 en el juego brusco y violento entre animales, que produc\u00eda vocalizaciones parecidas a risas destinadas a prevenir la agresi\u00f3n y promover el v\u00ednculo social.<\/p>\n<p>Por otro lado, la red voluntaria se solapa con las regiones cerebrales que producen el habla. Los investigadores afirmaron que eso apoya la idea de que controla la risa conversacional y motivada por un prop\u00f3sito.<\/p>\n<p>Caruana espera que estos hallazgos puedan servir \u00abcomo una especie de piedra de Rosetta para descifrar m\u00faltiples aspectos de la comunicaci\u00f3n y el uso social de las vocalizaciones.\u00bb<\/p>\n<p>M\u00e1s informaci\u00f3n<\/p>\n<p>La Universidad Case Western Reserve tiene m\u00e1s informaci\u00f3n sobre los beneficios de la risa.<\/p>\n<p>FUENTE: Cell Press, nota de prensa, 23 de junio de 2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MI\u00c9RCOLES, 24 de junio de 2026 (HealthDay News) &#8212; \u00bfAlguna vez te has echado a re\u00edr cuando algo gracioso te golpea de repente? \u00bfO te da una risita tan fuerte que no puedes parar, aunque te duelan los costados? Ese tipo de risa espont\u00e1nea podr\u00eda originarse en una parte m\u00e1s primitiva del cerebro humano, informaron&#8230;<\/p>\n","protected":false},"author":1,"featured_media":74247,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[81],"tags":[],"class_list":["post-74241","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-salud"],"magazineBlocksPostFeaturedMedia":{"thumbnail":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores-150x150.jpg","medium":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores-300x159.jpg","medium_large":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores-768x406.jpg","large":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores-1024x542.jpg","1536x1536":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores.jpg","2048x2048":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores.jpg","newsmatic-featured":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores-820x545.jpg","newsmatic-list":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores-600x400.jpg","newsmatic-thumb":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores-300x200.jpg","newsmatic-small":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores-150x95.jpg","newsmatic-grid":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores-400x250.jpg"},"magazineBlocksPostAuthor":{"name":"admin","avatar":"https:\/\/secure.gravatar.com\/avatar\/76e419471a2083bc3ceab22a763dbbf9b0c1bd15a6214cf3280e2c2dde4580f9?s=96&d=mm&r=g"},"magazineBlocksPostCommentsNumber":"0","magazineBlocksPostExcerpt":"MI\u00c9RCOLES, 24 de junio de 2026 (HealthDay News) &#8212; \u00bfAlguna vez te has echado a re\u00edr cuando algo gracioso te golpea de repente? \u00bfO te da una risita tan fuerte que no puedes parar, aunque te duelan los costados? Ese tipo de risa espont\u00e1nea podr\u00eda originarse en una parte m\u00e1s primitiva del cerebro humano, informaron...","magazineBlocksPostCategories":["Salud"],"magazineBlocksPostViewCount":2,"magazineBlocksPostReadTime":4,"magazine_blocks_featured_image_url":{"full":["https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores.jpg",1200,635,false],"medium":["https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores-300x159.jpg",300,159,true],"thumbnail":["https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/06\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores-150x150.jpg",150,150,true]},"magazine_blocks_author":{"display_name":"admin","author_link":"https:\/\/lobosnews.com.ar\/index.php\/author\/lobos-news\/"},"magazine_blocks_comment":0,"magazine_blocks_author_image":"https:\/\/secure.gravatar.com\/avatar\/76e419471a2083bc3ceab22a763dbbf9b0c1bd15a6214cf3280e2c2dde4580f9?s=96&d=mm&r=g","magazine_blocks_category":"<a href=\"#\" class=\"category-link category-link-81\">Salud<\/a>","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La risa visceral surge del cerebro primitivo, seg\u00fan los investigadores - Lobos News<\/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:\/\/lobosnews.com.ar\/index.php\/2026\/06\/25\/la-risa-visceral-surge-del-cerebro-primitivo-segun-los-investigadores\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La risa visceral surge del cerebro primitivo, seg\u00fan los investigadores - Lobos News\" \/>\n<meta property=\"og:description\" content=\"MI\u00c9RCOLES, 24 de junio de 2026 (HealthDay News) &#8212; \u00bfAlguna vez te has echado a re\u00edr cuando algo gracioso te golpea de repente? \u00bfO te da una risita tan fuerte que no puedes parar, aunque te duelan los costados? 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