{"id":49292,"date":"2022-04-07T13:08:40","date_gmt":"2022-04-07T07:38:40","guid":{"rendered":"https:\/\/www.pranaair.com\/blog\/harmful-effects-of-carbon-dioxide-co2-on-human-cognitive-function\/"},"modified":"2022-05-23T17:46:07","modified_gmt":"2022-05-23T12:16:07","slug":"harmful-effects-of-carbon-dioxide-co2-on-human-cognitive-function","status":"publish","type":"post","link":"https:\/\/www.pranaair.com\/blog\/fr\/harmful-effects-of-carbon-dioxide-co2-on-human-cognitive-function\/","title":{"rendered":"Effets nocifs du dioxyde de carbone (CO2) sur la fonction cognitive humaine"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #161616;color:#161616\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #161616;color:#161616\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.pranaair.com\/blog\/fr\/harmful-effects-of-carbon-dioxide-co2-on-human-cognitive-function\/#Niveaux_eleves_de_CO2_dans_les_batiments_modernes\" >Niveaux \u00e9lev\u00e9s de CO2 dans les b\u00e2timents modernes<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.pranaair.com\/blog\/fr\/harmful-effects-of-carbon-dioxide-co2-on-human-cognitive-function\/#Impacts_des_niveaux_eleves_de_CO2_sur_la_fonction_cerebrale\" >Impacts des niveaux \u00e9lev\u00e9s de CO2 sur la fonction c\u00e9r\u00e9brale<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.pranaair.com\/blog\/fr\/harmful-effects-of-carbon-dioxide-co2-on-human-cognitive-function\/#Son_impact_sur_la_sante_des_enfants\" >Son impact sur la sant\u00e9 des enfants<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.pranaair.com\/blog\/fr\/harmful-effects-of-carbon-dioxide-co2-on-human-cognitive-function\/#La_solution_au_CO2_eleve_dans_lair_interieur\" >La solution au CO2 \u00e9lev\u00e9 dans l&rsquo;air int\u00e9rieur<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p>La recherche sur les effets du dioxyde de carbone (CO2) sur le cerveau humain a r\u00e9cemment \u00e9t\u00e9 largement rapport\u00e9e. Les effets du CO2 sur la cognition humaine et la prise de d\u00e9cision affectent non seulement les travailleurs des industries tr\u00e8s polluantes, mais \u00e9galement d&rsquo;autres cat\u00e9gories d&rsquo;individus. Il est prouv\u00e9 que le CO2 \u00e0 l&rsquo;int\u00e9rieur a un effet n\u00e9gatif sur les r\u00e9sultats des tests et les capacit\u00e9s d&rsquo;apprentissage dans les \u00e9coles et les universit\u00e9s. Il a un impact n\u00e9gatif sur la productivit\u00e9 des employ\u00e9s \u00e0 de faibles niveaux d&rsquo;exposition. De nombreux chercheurs soulignent que les effets du dioxyde de carbone sur les fonctions cognitives et la prise de d\u00e9cision sont proportionnels \u00e0 la concentration de CO2 dans l&rsquo;air.<\/p>\n\n\n\n<p>Bien que la recherche sur les effets du CO2 int\u00e9rieur sur la cognition humaine soit encore pr\u00e9liminaire, elle montre qu&rsquo;\u00e0 long terme, le comportement humain commencera \u00e0 d\u00e9cliner dans les environnements riches en CO2. Cela comprend une diminution de notre capacit\u00e9 \u00e0 planifier des strat\u00e9gies en plusieurs \u00e9tapes, \u00e0 r\u00e9agir aux changements et \u00e0 utiliser efficacement les nouvelles informations. C&rsquo;est une situation effrayante.<\/p>\n\n\n\n<p>Des \u00e9tudes ont montr\u00e9 que les niveaux de <a href=\"https:\/\/www.aqi.in\/blog\/role-of-co2-in-indoor-air\/\">CO2 \u00e0 l&rsquo;int\u00e9rieur<\/a> sont beaucoup plus \u00e9lev\u00e9s que ceux \u00e0 l&rsquo;ext\u00e9rieur. Nous passons pr\u00e8s de 90\u00a0% de notre temps dans des environnements int\u00e9rieurs, qu&rsquo;il s&rsquo;agisse de nos maisons, bureaux, \u00e9coles, centres commerciaux, h\u00f4pitaux, etc. Niveaux de CO2 en dehors de la plage comprise entre 350 et 400\u00a0ppm et dans les espaces int\u00e9rieurs. Elle peut aller jusqu&rsquo;\u00e0 1500-2000 ppm voire plus, selon le nombre de personnes pr\u00e9sentes et le degr\u00e9 de ventilation des locaux.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Niveaux_eleves_de_CO2_dans_les_batiments_modernes\"><\/span>Niveaux \u00e9lev\u00e9s de CO2 dans les b\u00e2timents modernes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"511\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2022\/04\/effects-of-carbon-dioxide-on-employees-1024x511.jpg\" alt=\"effects of carbon dioxide on employees\" class=\"wp-image-45559\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/effects-of-carbon-dioxide-on-employees-1024x511.jpg 1024w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/effects-of-carbon-dioxide-on-employees-300x150.jpg 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/effects-of-carbon-dioxide-on-employees-768x383.jpg 768w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/effects-of-carbon-dioxide-on-employees-1536x766.jpg 1536w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/effects-of-carbon-dioxide-on-employees-2048x1022.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>La plupart de nos b\u00e2timents modernes sont con\u00e7us pour r\u00e9duire la consommation d&rsquo;\u00e9nergie et fournir la climatisation pour que nous nous sentions \u00e0 l&rsquo;aise en termes de temp\u00e9rature. Cependant, cela n\u00e9glige notre sant\u00e9 et nous respirons un air int\u00e9rieur de mauvaise qualit\u00e9. La consommation d&rsquo;\u00e9nergie dans les b\u00e2timents est principalement attribu\u00e9e aux syst\u00e8mes de climatisation. Les b\u00e2timents arr\u00eatent g\u00e9n\u00e9ralement la ventilation par l&rsquo;air ext\u00e9rieur et font recirculer le m\u00eame air refroidi que la ventilation par l&rsquo;air ext\u00e9rieur qui am\u00e8ne de l&rsquo;air \u00e0 temp\u00e9rature plus \u00e9lev\u00e9e ou plus basse. Pour refroidir\/chauffer le m\u00eame air afin de l&rsquo;amener \u00e0 une temp\u00e9rature de confort humain, plus d&rsquo;\u00e9nergie est utilis\u00e9e qu&rsquo;une simple recirculation du m\u00eame air. Nous travaillons dans des bureaux modernes, faisons nos courses dans des centres commerciaux chics et envoyons nos enfants dans des \u00e9coles\/universit\u00e9s climatis\u00e9es. Mais nous ne r\u00e9alisons jamais \u00e0 quel point la qualit\u00e9 de l&rsquo;air int\u00e9rieur de ces lieux est mauvaise car, sans ventilation, nous respirons le niveau croissant de CO2 au fur et \u00e0 mesure que notre temps \u00e0 l&rsquo;int\u00e9rieur progresse.<\/p>\n\n\n\n<p>La sensation de fatigue, de somnolence ou encore d&rsquo;incapacit\u00e9 \u00e0 se concentrer apr\u00e8s avoir travaill\u00e9 quelques heures dans un espace mal a\u00e9r\u00e9 sont des signes de CO2 impactant notre fonction c\u00e9r\u00e9brale et notre productivit\u00e9 \u00e0 court terme. Les effets \u00e0 long terme peuvent \u00eatre vraiment nocifs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Impacts_des_niveaux_eleves_de_CO2_sur_la_fonction_cerebrale\"><\/span><strong>Impacts des niveaux \u00e9lev\u00e9s de CO2 sur la fonction c\u00e9r\u00e9brale<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2022\/04\/human-cognitive-function-1024x819.jpg\" alt=\"human cognitive function affected by co2\" class=\"wp-image-45476\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/human-cognitive-function-1024x819.jpg 1024w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/human-cognitive-function-300x240.jpg 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/human-cognitive-function-768x614.jpg 768w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/human-cognitive-function-1536x1229.jpg 1536w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/human-cognitive-function-2048x1638.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Les chercheurs de l&rsquo;Universit\u00e9 de Berkeley ont men\u00e9 un test d&rsquo;aide \u00e0 la d\u00e9cision simulant la gestion d&rsquo;une organisation en temps de crise. Les participants ont particip\u00e9 \u00e0 trois parties, d&rsquo;une dur\u00e9e de 2h30 chacune, et dans des conditions identiques. Cependant, les concentrations de CO2 \u00e9taient vari\u00e9es. Par exemple, les personnes qui avaient des concentrations \u00e9lev\u00e9es de CO2 \u00e9taient incapables d&rsquo;\u00e9laborer une strat\u00e9gie efficace. Ainsi, si le CO2 augmente les niveaux de capacit\u00e9 cognitive chez les personnes, cela peut avoir un effet b\u00e9n\u00e9fique sur la prise de d\u00e9cision dans les entreprises. Les effets du dioxyde de carbone sont importants. Des concentrations \u00e9lev\u00e9es de CO2 r\u00e9duisent le QI de 25\u00a0%. Et une augmentation de 400 ppm des concentrations de CO2 peut entra\u00eener une diminution de 50 % de la r\u00e9flexion strat\u00e9gique complexe. Cette \u00e9tude montre qu&rsquo;il est crucial de commencer \u00e0 s&rsquo;attaquer aux effets du CO2 sur la pens\u00e9e humaine.<\/p>\n\n\n\n<p>\u00c0 l&rsquo;aide d&rsquo;un environnement de bureau contr\u00f4l\u00e9 en laboratoire, les chercheurs ont \u00e9tudi\u00e9 les r\u00e9ponses de 24 participants \u00e0 un sc\u00e9nario complexe. Les capacit\u00e9s cognitives des participants ont \u00e9t\u00e9 suivies \u00e0 l&rsquo;aide du logiciel. Les participants ont eu des difficult\u00e9s \u00e0 d\u00e9finir une strat\u00e9gie, \u00e0 utiliser des informations et \u00e0 r\u00e9pondre \u00e0 une crise. Des niveaux \u00e9lev\u00e9s de dioxyde de carbone r\u00e9duisent la capacit\u00e9 des humains \u00e0 penser de mani\u00e8re complexe, ce qui affecte leur capacit\u00e9 \u00e0 r\u00e9agir aux situations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Son_impact_sur_la_sante_des_enfants\"><\/span>Son impact sur la sant\u00e9 des enfants<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Des chercheurs de l&rsquo;Universit\u00e9 du Colorado affirment que l&rsquo;augmentation du CO2 peut affecter la capacit\u00e9 des gens \u00e0 penser de mani\u00e8re critique. Les chercheurs ont remarqu\u00e9 une baisse de la concentration, de la vigilance et de la m\u00e9moire chez les enfants expos\u00e9s \u00e0 des niveaux \u00e9lev\u00e9s de CO2 dans les \u00e9coles. Ils ont not\u00e9 que des niveaux accrus de CO2 r\u00e9duisaient la capacit\u00e9 de leurs \u00e9l\u00e8ves \u00e0 penser de mani\u00e8re strat\u00e9gique et \u00e0 r\u00e9soudre des probl\u00e8mes. Cela pourrait avoir des cons\u00e9quences d\u00e9sastreuses pour la survie humaine.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"681\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2022\/04\/low-concentration-iq-child-due-to-co2-1024x681.jpg\" alt=\"low concentration iq child due to effects of co2\" class=\"wp-image-45485\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/low-concentration-iq-child-due-to-co2-1024x681.jpg 1024w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/low-concentration-iq-child-due-to-co2-300x200.jpg 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/low-concentration-iq-child-due-to-co2-768x511.jpg 768w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/low-concentration-iq-child-due-to-co2-1536x1022.jpg 1536w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/low-concentration-iq-child-due-to-co2-2048x1363.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Une \u00e9tude tr\u00e8s c\u00e9l\u00e8bre du professeur Joseph Allen de la Harvard School of Public Health a mesur\u00e9 un score de capacit\u00e9 cognitive faible de 15% \u00e0 950 ppm et une baisse suppl\u00e9mentaire de 50% \u00e0 1400 ppm. Gr\u00e2ce \u00e0 ces d\u00e9couvertes, nous pouvons quantifier l&rsquo;impact n\u00e9gatif que des niveaux \u00e9lev\u00e9s de CO2 peuvent avoir sur notre niveau de concentration.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"La_solution_au_CO2_eleve_dans_lair_interieur\"><\/span><strong>La solution au CO2 \u00e9lev\u00e9 dans l&rsquo;air int\u00e9rieur<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Alors que nous passons 90 % de notre vie \u00e0 l&rsquo;int\u00e9rieur, les niveaux de CO2 peuvent rapidement augmenter. Pour cette raison, les environnements int\u00e9rieurs deviennent de plus en plus d\u00e9pourvus d&rsquo;air frais, provoquant une accumulation de dioxyde de carbone. Et par cons\u00e9quent, impactant notre esprit et notre corps \u00e0 court comme \u00e0 long terme.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2022\/04\/prana-air-pocket-co2-air-quality-monitor-1024x768.jpg\" alt=\"prana air pocket co2 air quality monitor\" class=\"wp-image-45534\" width=\"840\" height=\"630\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/prana-air-pocket-co2-air-quality-monitor-1024x768.jpg 1024w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/prana-air-pocket-co2-air-quality-monitor-300x225.jpg 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/prana-air-pocket-co2-air-quality-monitor-768x576.jpg 768w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/prana-air-pocket-co2-air-quality-monitor-1536x1152.jpg 1536w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/prana-air-pocket-co2-air-quality-monitor-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><\/figure><\/div>\n\n\n\n<p>Par cons\u00e9quent, mesurer correctement le CO2 dans nos lieux de vie et de travail est extr\u00eamement crucial en utilisant les bons moniteurs. Une fois que nous connaissons le probl\u00e8me, nous pouvons mettre en \u0153uvre la solution. La ventilation joue un r\u00f4le cl\u00e9 dans la r\u00e9duction du CO2 dans l&rsquo;air int\u00e9rieur. Cependant, la ventilation apporte une vari\u00e9t\u00e9 d&rsquo;autres polluants ext\u00e9rieurs qui sont \u00e9galement nocifs. Trouver le bon \u00e9quilibre ici est important. Ainsi de l&rsquo;air frais avec une filtration m\u00e9ticuleuse assurera un environnement int\u00e9rieur sain et vivable et un bien-\u00eatre g\u00e9n\u00e9ral.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2022\/04\/good-ventilation-for-fresh-air-1024x683.jpg\" alt=\"good ventilation for fresh air to avoid from the effects of co2\" class=\"wp-image-45495\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/good-ventilation-for-fresh-air-1024x683.jpg 1024w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/good-ventilation-for-fresh-air-300x200.jpg 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/good-ventilation-for-fresh-air-768x512.jpg 768w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/good-ventilation-for-fresh-air-1536x1024.jpg 1536w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2022\/04\/good-ventilation-for-fresh-air-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>La recherche sur les effets du dioxyde de carbone (CO2) sur le cerveau humain a r\u00e9cemment \u00e9t\u00e9 largement rapport\u00e9e. Les&hellip;<\/p>\n","protected":false},"author":4064,"featured_media":45525,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[303],"tags":[],"class_list":["post-49292","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pollution-de-lair-interieure"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Effets nocifs du dioxyde de carbone (CO2) sur la fonction cognitive humaine<\/title>\n<meta name=\"description\" content=\"Les effets du dioxyde de carbone (co2) sur la cognition humaine et la prise de d\u00e9cision ne se limitent pas aux travailleurs des industries tr\u00e8s polluantes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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