{"id":115355,"date":"2022-03-31T07:10:28","date_gmt":"2022-03-31T07:10:28","guid":{"rendered":"https:\/\/raed.academy\/?p=115355"},"modified":"2022-04-03T11:00:39","modified_gmt":"2022-04-03T11:00:39","slug":"el-poligraf-la-maquina-de-la-veritat-que-acaba-mentint","status":"publish","type":"post","link":"https:\/\/raed.academy\/ca\/el-poligraf-la-maquina-de-la-veritat-que-acaba-mentint\/","title":{"rendered":"El pol\u00edgraf, la m\u00e0quina de la veritat que acaba mentint"},"content":{"rendered":"<p><a href=\"https:\/\/raed.academy\/ca\/academics\/dr-francisco-lopez-munoz\/\" target=\"_blank\" rel=\"noopener\"><strong><em>Francisco L\u00f3pez Mu\u00f1oz<\/em><\/strong><\/a><br \/>\n<em>Professor de Farmacologia, vicerector de Recerca i Ci\u00e8ncia i director de l&#8217;Escola Internacional de Doctorat de la Universitat Camilo Jos\u00e9 Cela i acad\u00e8mic de n\u00famero de la Reial Acad\u00e8mia Europea de Doctors-Barcelona 1914 (RAED).<\/em><\/p>\n<p><em>Article publicat al portal especialitzat The Conversation el 22 de mar\u00e7 del 2022<\/em><\/p>\n<div id=\"attachment_115467\" style=\"width: 410px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-115467\" class=\"wp-image-115467 size-full\" src=\"https:\/\/raed.academy\/wp-content\/uploads\/2022\/03\/Leonarde_Keeler_y-el-poligrafo-1937-wikipedia.org-dmn-publico.webp\" alt=\"Leonard Keeler probando el pol\u00edgrafo con un testigo del caso Bruno Hauptmann\" width=\"400\" height=\"513\" aria-describedby=\"caption-attachment-115467\" \/><p id=\"caption-attachment-115467\" class=\"wp-caption-text\">Leonard Keeler provant el pol\u00edgraf amb un testimoni del cas Bruno Hauptmann<\/p><\/div>\n<p><a href=\"https:\/\/raed.academy\/ca\/academics\/dr-francisco-lopez-munoz\/\" target=\"_blank\" rel=\"noopener\"><strong><em>Francisco L\u00f3pez Mu\u00f1oz<\/em><\/strong><\/a>, professor de Farmacologia de la <strong>Universitat Camilo Jos\u00e9 Cela<\/strong> i acad\u00e8mic de n\u00famero de la <strong>Reial Acad\u00e8mia Europea de Doctors-Barcelona 1914<\/strong> (RAED), aborda a l&#8217;article <strong>&#8220;El pol\u00edgrafo: la historia de una m\u00e1quina que no\u00a0funciona&#8221;<\/strong>, publicat al portal especialitzat <strong>The Conversation<\/strong> el passat 22 de mar\u00e7 i a diversos mitjans espanyols i hispanoamericans, entre ells el diari <strong>&#8220;ABC&#8221;<\/strong>, l&#8217;origen i l&#8217;evoluci\u00f3 d&#8217;aquesta &#8220;m\u00e0quina de la veritat&#8221; a qu\u00e8 encara se segueix recorrent en an\u00e0lisis forenses policials i judicials malgrat el seu desprestigi per part de la comunitat cient\u00edfica. L&#8217;acad\u00e8mic signa l&#8217;article juntament amb <strong>Francisco P\u00e9rez Fern\u00e1ndez<\/strong>, professor de Psicologia Criminal, Psicologia de la Delinq\u00fc\u00e8ncia, Antropologia i Sociologia Criminal de la mateixa universitat.<\/p>\n<p>Tots dos estudiosos assenyalen l&#8217;origen d&#8217;aquest aparell als estudis del psic\u00f2leg nord-americ\u00e0 d&#8217;origen alemany <strong>Hugo M\u00fcnsterberg<\/strong>, que el va fer servir a finals del segle XIX i principis del XX per establir correlacions entre les mesures registrades i la veracitat dels testimonis emesos durant un proc\u00e9s judicial i va establir la idea que existia un rastre fisiol\u00f2gic directe i observable de la mentida. &#8220;Als seus vehements textos apolog\u00e8tics, <strong>M\u00fcnsterberg<\/strong> va defensar que la mesura fisiol\u00f2gica de la sinceritat del testimoni s&#8217;hauria d&#8217;aplicar al camp de la just\u00edcia. Avui \u00e9s obvi que s&#8217;equivocava. No hi ha un \u00fanic patr\u00f3 de resposta fisiol\u00f2gica associat a la mentida, de la mateixa manera que no es pot assegurar que una alteraci\u00f3 fisiol\u00f2gica es pugui vincular de manera fidedigna a la mentida o a qualsevol altra emoci\u00f3 paral\u00b7lela&#8221;, assenyalen.<\/p>\n<div id=\"attachment_27909\" style=\"width: 220px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-27909\" class=\"wp-image-27909\" src=\"https:\/\/raed.academy\/wp-content\/uploads\/2017\/05\/Francisco-Lopez-Mu\u00f1oz.jpg\" sizes=\"(max-width: 210px) 100vw, 210px\" srcset=\"https:\/\/raed.academy\/wp-content\/uploads\/2017\/05\/Francisco-Lopez-Mu\u00f1oz.jpg 350w, https:\/\/raed.academy\/wp-content\/uploads\/2017\/05\/Francisco-Lopez-Mu\u00f1oz-248x300.jpg 248w\" alt=\"Francisco L\u00f3pez Mu\u00f1oz\" width=\"210\" height=\"254\" aria-describedby=\"caption-attachment-27909\" \/><p id=\"caption-attachment-27909\" class=\"wp-caption-text\">Dr. Francisco L\u00f3pez Mu\u00f1oz<\/p><\/div>\n<p>Per a <strong>L\u00f3pez Mu\u00f1oz<\/strong> i <strong>P\u00e9rez Fern\u00e1ndez<\/strong>, va ser un dels alumnes de M\u00fcnsterberg, <strong>William Moulton Marston<\/strong>, qui va pensar que seria possible mesurar aquests par\u00e0metres fisiol\u00f2gics espec\u00edfics i dissenyar una t\u00e8cnica d&#8217;interrogatori que els objectiv\u00e9s encara que el 1921, despr\u00e9s de culminar la seva tesi doctoral, amb la que va establir les bases te\u00f2riques del pol\u00edgraf, no havia aconseguit cap dels seus objectius dins de par\u00e0metres cient\u00edfics verificables. Tot i aix\u00f2, la m\u00e0quina va anar cobrant popularitat i dos estudiosos nord-americans m\u00e9s, <strong>Leonard Keeler<\/strong> i <strong>John Larson<\/strong>, van intentar millorar-la, tot i que tamb\u00e9 amb resultats dubtosos i contradictoris.<\/p>\n<p>&#8220;La controv\u00e8rsia ha estat una constant a l&#8217;hora de validar l&#8217;efic\u00e0cia d&#8217;aquest tipus d&#8217;aparellologies, la penetraci\u00f3 de la qual en la cultura popular ha estat enorme, per\u00f2 el rigor cient\u00edfic de la qual sempre ha estat en dubte. El mateix <strong>Larson<\/strong> va recon\u00e8ixer que la seva t\u00e8cnica tenia serioses limitacions i mai no va estar d&#8217;acord amb l&#8217;enorme import\u00e0ncia que altres van arribar a concedir-li, ni amb el seu \u00fas indiscriminat i pol\u00edticament discutible, al punt que el 1961 va arribar a lamentar haver format part en el seu desenvolupament. Els partidaris m\u00e9s enverinats del pol\u00edgraf defensen amb gran optimisme que la seva taxa d&#8217;encert supera el 90%. Altres investigadors, m\u00e9s objectius, estimarien la seva fiabilitat, sempre assumint la tesi indemostrada que la mentida t\u00e9 un registre fisiol\u00f2gic propi, entre el 64% i el 85% de casos&#8221;, conclouen els experts.<\/p>\n<h3><a href=\"https:\/\/theconversation.com\/el-poligrafo-la-historia-de-una-maquina-que-no-funciona-179783\" target=\"_blank\" rel=\"noopener\">Llegiu l&#8217;article<\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;origen i l&#8217;evoluci\u00f3 de la &#8220;m\u00e0quina de la veritat&#8221;, a la qual encara es recorre en an\u00e0lisis forenses policials i judicials, a l&#8217;article &#8220;El pol\u00edgrafo: la historia de una m\u00e1quina que no funciona&#8221;<\/p>\n","protected":false},"author":12,"featured_media":115471,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[213],"tags":[],"class_list":["post-115355","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-medicina-i-cirurgia","et-has-post-format-content","et_post_format-et-post-format-standard"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>El pol\u00edgraf, la m\u00e0quina de la veritat que acaba mentint - Reial Acad\u00e8mia Europea de Doctors<\/title>\n<meta name=\"description\" content=\"L&#039;origen i l&#039;evoluci\u00f3 de la &quot;m\u00e0quina de la veritat&quot;, a l&#039;article &quot;El pol\u00edgrafo: la historia de una m\u00e1quina que no funciona&quot;\" 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