{"id":1384,"date":"2012-10-12T09:20:23","date_gmt":"2012-10-12T12:20:23","guid":{"rendered":"http:\/\/medicina.udd.cl\/fonoaudiologia-santiago\/?p=1384"},"modified":"2012-10-12T09:25:29","modified_gmt":"2012-10-12T12:25:29","slug":"identifican-los-5-sonidos-mas-desagradables-para-el-humano","status":"publish","type":"post","link":"https:\/\/medicina.udd.cl\/fonoaudiologia-santiago\/noticias\/2012\/10\/12\/identifican-los-5-sonidos-mas-desagradables-para-el-humano\/","title":{"rendered":"Identifican los 5 sonidos m\u00e1s desagradables para el humano"},"content":{"rendered":"

La revista cient\u00edfica londinense Journal of Neuroscience public\u00f3 los resultados de una investigaci\u00f3n de un equipo de expertos de la Universidad de Newcastle, quienes identificaron los 5 sonidos m\u00e1s desagradables para el o\u00eddo humano.<\/p>\n

Al mismo tiempo los autores del reporte, que fue respaldado por el organismo brit\u00e1nico de beneficencia Wellcome Trust, concluyeron que estos sonidos cuentan con una funci\u00f3n muy real: alertar a los humanos sobre peligros potenciales.<\/p>\n

\"\"<\/a><\/p>\n

Sukhbinder Kumar y Tim Griffiths, dos investigadores de la Universidad de Newcastle, pidieron a los voluntarios escuchar 74 sonidos distintos, considerados como desagradables. Durante el experimento todos los voluntarios ten\u00edan sus funciones cerebrales monitoreadas por escaners de tomograf\u00eda por resonancia magn\u00e9tica.<\/p>\n

Los cient\u00edficos brit\u00e1nicos observaron que los sonidos m\u00e1s molestos provocaron alta actividad en el \u00e1rea de la am\u00edgdala cerebral cuyo papel principal es el procesamiento y almacenamiento de reacciones emocionales negativas.<\/p>\n

Para la mayor\u00eda de los voluntarios, estos fueron los 5 sonidos m\u00e1s repugnantes: un cuchillo sobre una botella; un tenedor sobre un vaso; tiza sobre una pizarra; una regla sobre una botella y las u\u00f1as sobre una pizarra.<\/p>\n

Lo que une a estos 5 sonidos m\u00e1s desagradables es que todos se encuentran en una frecuencia de entre 2,000 y 5,000 hz, que es un espectro m\u00e1s sensitivo para el o\u00eddo humano.<\/p>\n

\u00abTodav\u00eda hay muchos debates del por qu\u00e9 estas frecuencias son tan repugnantes. Pero vale la pena observar que los sonidos de advertencias y gritos del mundo de animales y p\u00e1jaros, que son intr\u00ednsecamente desagradables para nosotros, tienen la misma banda\u00bb a\u00f1adi\u00f3 el cient\u00edfico brit\u00e1nico.<\/p>\n

(Fuente: www.bbcmundo.com)<\/p>\n","protected":false},"excerpt":{"rendered":"

Cient\u00edficos ingleses registraron la actividad cerebral mediante resonancia magn\u00e9tica.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-1384","post","type-post","status-publish","format-standard","hentry","category-noticias"],"yoast_head":"\nIdentifican los 5 sonidos m\u00e1s desagradables para el humano - Fonoaudiolog\u00eda<\/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:\/\/medicina.udd.cl\/fonoaudiologia-santiago\/noticias\/2012\/10\/12\/identifican-los-5-sonidos-mas-desagradables-para-el-humano\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Identifican los 5 sonidos m\u00e1s desagradables para el humano - 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