{"id":5203909,"date":"2013-11-21T19:52:33","date_gmt":"2013-11-21T17:52:33","guid":{"rendered":"https:\/\/www.ozono21.com\/blog\/?p=5203909"},"modified":"2026-02-14T19:26:09","modified_gmt":"2026-02-14T17:26:09","slug":"mano-diestra-o-un-pie-agil","status":"publish","type":"post","link":"https:\/\/www.ozono21.com\/blog\/salud\/mano-diestra-o-un-pie-agil\/","title":{"rendered":"\u00bfQu\u00e9 surgi\u00f3 primero en la evoluci\u00f3n una mano diestra o un pie \u00e1gil?"},"content":{"rendered":"<p style=\"text-align: justify;\">\n<h2 style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" style=\"MARGIN: 30px 10px 30px 0px; border: 0px;\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/uploads\/2013\/11\/Manos-Pies-EVOLUCION-300x210.jpg\" alt=\" Mano y Mano EVOLUCION\" width=\"300\" height=\"232\" class=\"alignleft size-medium wp-image-5203910\"  border=\"0\"  \/><a title=\"Inesperada Diversidad Bacteriana en la Piel Humana\" href=\"https:\/\/www.ozono21.com\/actualidad-interna\/inesperada-diversidad-bacteriana-piel-humana\/134\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u00bfQu\u00e9 surgi\u00f3 primero en la evoluci\u00f3n una mano diestra o un pie \u00e1gil? <\/p>\n<p> Una nueva investigaci\u00f3n ha resuelto un misterio a\u00f1ejo acerca de la evoluci\u00f3n humana, revelando, en contra de lo que se cre\u00eda hasta ahora, que los primeros hom\u00ednidos desarrollaron la destreza en sus dedos y la capacidad de utilizar herramientas antes de desarrollar la locomoci\u00f3n b\u00edpeda.<\/a><\/h2>\n<\/p>\n<p><P>Fuente: Noticiasdelaciencia (7\/11\/13)<\/P> <\/p>\n<p style=\"text-align: justify;\">Combinando la observaci\u00f3n de conductas de monos y humanos, con escaneos del interior de cerebros, y evidencias f\u00f3siles, <strong>el equipo de investigaci\u00f3n del neurobi\u00f3logo Atsushi Iriki, del Instituto de Ciencias del Cerebro, adscrito al Instituto RIKEN de Jap\u00f3n, y el antrop\u00f3logo Gen Suwa del Museo de la Universidad de Tokio en Jap\u00f3n<\/strong>, ha obtenido resultados que contradicen la creencia com\u00fan de que la destreza manual evolucion\u00f3 despu\u00e9s de que el desarrollo de la locomoci\u00f3n b\u00edpeda liberase a las manos de los hom\u00ednidos y entonces pudiesen usar los dedos para manipular herramientas.<\/P><\/p>\n<p style=\"text-align: justify;\">Los investigadores emplearon resonancia magn\u00e9tica funcional por im\u00e1genes, as\u00ed como registros el\u00e9ctricos cerebrales de monos para localizar lo m\u00e1s detalladamente posible las \u00e1reas cerebrales responsables del sentido del tacto en dedos individuales de las manos y de los pies, y poder confeccionar as\u00ed mapas somatot\u00f3picos.<big><strong><a title=\"La vertiginosa velocidad cerebral del lenguaje\" href=\"https:\/\/www.ozono21.com\/blog\/salud\/la-vertiginosa-velocidad-cerebral-del-lenguaje\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Con estos mapas, los investigadores confirmaron una idea sugerida por estudios previos: La de que cada dedo de la mano y del pie tiene una localizaci\u00f3n neural modesta tanto en humanos como en monos.<\/a><\/strong><\/big><\/P><\/p>\n<p style=\"text-align: justify;\">Tanto en el mono macaco de la especie Macaca fuscata, a la izquierda, como en el Ser Humano de la variedad Homo sapiens, a la derecha, est\u00e1n presentes cinco dedos independientes en mano y pie. Pero, a diferencia del mono, en el Ser Humano no todos los dedos del pie est\u00e1n fusionados en un mismo mapa neural: El dedo gordo tiene su mapa propio, ausente en los monos.<\/P><\/p>\n<p style=\"text-align: justify;\">Los investigadores encontraron adem\u00e1s nuevas evidencias de que los dedos de los pies de los monos est\u00e1n combinados en un \u00fanico mapa neural, mientras que los dedos de los pies de los humanos tambi\u00e9n est\u00e1n fusionados en un mapa \u00fanico excepto el dedo gordo, que tiene su mapa propio, ausente en los monos. Estos hallazgos sugieren que los primeros hom\u00ednidos desarrollaron la destreza en los dedos de sus manos cuando todav\u00eda eran cuadr\u00fapedos.<big><strong><a title=\"Descubren una mol\u00e9cula cerebral clave para tratar el jet lag\" href=\"https:\/\/www.ozono21.com\/blog\/salud\/descubren-una-molecula-cerebral-clave-para-tratar-el-jet-lag\/\" target=\"_blank\" rel=\"noopener noreferrer\"> La destreza manual no se expandi\u00f3 m\u00e1s all\u00e1 en los monos, pero los humanos primitivos adquirieron la habilidad de controlar con gran precisi\u00f3n el movimiento de los dedos de las manos y desarrollaron en el pie un dedo gordo id\u00f3neo para ayudarlos a afrontar con \u00e9xito el reto de la locomoci\u00f3n b\u00edpeda.<\/a><\/strong><\/big><\/P><\/p>\n<p style=\"text-align: justify;\">Los resultados de los<big><strong><a title=\"Descubren una mol\u00e9cula cerebral clave para tratar el jet lag\" href=\"https:\/\/www.ozono21.com\/blog\/salud\/descubren-una-molecula-cerebral-clave-para-tratar-el-jet-lag\/\" target=\"_blank\" rel=\"noopener noreferrer\"> an\u00e1lisis de cerebros realizados en este estudio est\u00e1n respaldados por los de an\u00e1lisis de huesos bien conservados de manos y pies de un esqueleto de 4,4 millones de a\u00f1os de antig\u00fcedad,<\/a><\/strong><\/big> perteneciente al hom\u00ednido b\u00edpedo Ardipithecus ramidus, una especie con una anatom\u00eda en fase de transici\u00f3n evolutiva y con destreza manual.<\/P><\/p>\n<table border=\"3\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td bgcolor=\"#3b7cff\" height=\"25\" width=\"600\" align=\"center\"><strong><a title=\"Actualidad ACCION del OZONO\" href=\"https:\/\/www.ozono21.com\/actualidad-interna\/accion-del-ozono\/423\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/uploads\/2014\/06\/Noticias-Relacionadas.png\" alt=\"Noticias Relacionadas\" width=\"600\" height=\"25\" border=\"0\" \/><\/a><\/strong>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><big><\/p>\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td width=\"150\" height=\"150\"><a title=\"Los grandes simios toman decisiones sofisticadas\" href=\"https:\/\/www.ozono21.com\/blog\/animales\/los-grandes-simios-toman-decisiones-sofisticadas\/\"><img loading=\"lazy\" decoding=\"async\"  src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/uploads\/2013\/01\/Macaco_01-150x129.gif\" alt=\"mano\" width=\"150\" height=\"129\" style=\"margin: 10px 10px 0px 30px; border: 0px;\"   \/><\/a><\/td>\n<td width=\"300\" height=\"150\" style=\"text-align: left; vertical-align: middle;\"><strong><a title=\"Los grandes simios toman decisiones sofisticadas\" href=\"https:\/\/www.ozono21.com\/blog\/animales\/los-grandes-simios-toman-decisiones-sofisticadas\/\" target=\"_blank\" rel=\"noopener noreferrer\">Los grandes simios toman decisiones sofisticadas<\/a><\/strong><\/li>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"150\" height=\"150\"><a title=\"Monos y Simios\" href=\"https:\/\/www.ozono21.com\/blog\/?s=monos+simios\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/uploads\/2013\/01\/Macaco_01-150x129.gif\" alt=\"mano\" width=\"150\" height=\"129\" style=\"margin: 10px 10px 0px 30px; border: 0px;\"   \/><\/a><\/td>\n<td width=\"300\" height=\"150\" style=\"text-align: left; vertical-align: middle;\"><strong><a title=\"Monos y Simios\" href=\"https:\/\/www.ozono21.com\/blog\/?s=monos+simios\" target=\"_blank\" rel=\"noopener noreferrer\"> Monos y Simios<\/a><\/strong><\/li>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><\/big><\/p>\n<table border=\"3\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td align=\"center\" bgcolor=\"#3b7cff\" width=\"600\" height=\"25\"><strong><a title=\"Videos YouTube\" href=\"http:\/\/www.youtube.com\/user\/ozono21\/videos?sort=p&amp;view=0&amp;flow=grid\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/uploads\/2014\/06\/Videos-Youtube.png\" alt=\"Videos Youtube\" width=\"600\" height=\"25\" border=\"0\" \/><\/a><\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/P><\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" width=\"592\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/VrrOuxGMhb0\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_5203909\" class=\"pvc_stats total_only  \" data-element-id=\"5203909\" style=\"\"><i class=\"pvc-stats-icon small\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u00bfQu\u00e9 surgi\u00f3 primero en la evoluci\u00f3n una mano diestra o un pie \u00e1gil? Una nueva investigaci\u00f3n ha resuelto un misterio a\u00f1ejo acerca de la evoluci\u00f3n humana, revelando, en contra de lo que se cre\u00eda hasta ahora, que los primeros hom\u00ednidos &hellip; <a href=\"https:\/\/www.ozono21.com\/blog\/salud\/mano-diestra-o-un-pie-agil\/\">Sigue leyendo <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_5203909\" class=\"pvc_stats total_only  \" data-element-id=\"5203909\" style=\"\"><i class=\"pvc-stats-icon small\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":1,"featured_media":5203910,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[7],"tags":[21,32],"class_list":["post-5203909","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-salud","tag-salud-2","tag-videos-salud-2"],"a3_pvc":{"activated":true,"total_views":3087,"today_views":0},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mano diestra o un pie \u00e1gil<\/title>\n<meta name=\"description\" content=\"\u00bfQu\u00e9 surgi\u00f3 primero en la evoluci\u00f3n una mano diestra o un pie \u00e1gil?. Primeros hom\u00ednidos destreza en dedos y capacidad utilizar herramientas\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ozono21.com\/blog\/salud\/mano-diestra-o-un-pie-agil\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mano diestra o un pie \u00e1gil\" \/>\n<meta property=\"og:description\" content=\"\u00bfQu\u00e9 surgi\u00f3 primero en la evoluci\u00f3n una mano diestra o un pie \u00e1gil?. 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