{"id":16156,"date":"2019-01-22T17:57:50","date_gmt":"2019-01-22T16:57:50","guid":{"rendered":"http:\/\/www.imelasavoie.fr\/?p=16156"},"modified":"2019-01-22T18:03:59","modified_gmt":"2019-01-22T17:03:59","slug":"pse-le-systeme-auditif","status":"publish","type":"post","link":"https:\/\/www.imelasavoie.fr\/?p=16156","title":{"rendered":"[ PSE ] Le syst\u00e8me auditif"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/74d97f4030789764dcd77fa4ae2f1373_w1398_h523_cp-1024x383.jpg\" alt=\"\" class=\"wp-image-16187\" width=\"395\" height=\"148\" srcset=\"https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/74d97f4030789764dcd77fa4ae2f1373_w1398_h523_cp-1024x383.jpg 1024w, https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/74d97f4030789764dcd77fa4ae2f1373_w1398_h523_cp-300x112.jpg 300w, https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/74d97f4030789764dcd77fa4ae2f1373_w1398_h523_cp-768x287.jpg 768w, https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/74d97f4030789764dcd77fa4ae2f1373_w1398_h523_cp.jpg 1398w\" sizes=\"auto, (max-width: 395px) 100vw, 395px\" \/><\/figure><\/div>\n\n\n\n<p>Au dessus de 90 d\u00e9cibels , les sons sont dangereux : il faut mettre des&nbsp;EPI ( \u00e9quipements de protection individuels) comme un casque. Au travail, c&rsquo;est une obligation. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/niveaux-sonores1.jpg\" alt=\"\" class=\"wp-image-16188\" width=\"365\" height=\"300\" srcset=\"https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/niveaux-sonores1.jpg 470w, https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/niveaux-sonores1-300x246.jpg 300w\" sizes=\"auto, (max-width: 365px) 100vw, 365px\" \/><\/figure><\/div>\n\n\n\n<p style=\"text-align:center\"><strong>Mais comment fonctionne le syst\u00e8me auditif ?<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/conduit-auditif_w564.jpg\" alt=\"\" class=\"wp-image-16185\" width=\"461\" height=\"294\" srcset=\"https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/conduit-auditif_w564.jpg 564w, https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/conduit-auditif_w564-300x191.jpg 300w\" sizes=\"auto, (max-width: 461px) 100vw, 461px\" \/><\/figure><\/div>\n\n\n\n<p>Quand un son arrive \u00e0 mes oreilles, il passe par <strong>le pavillon<\/strong> et <strong>le conduit auditif<\/strong>. Une fois arriv\u00e9 au <strong>tympan<\/strong>, il le fait vibrer doucement. Puis c&rsquo;est au tour du <strong>marteau<\/strong>, de l&rsquo; <strong>enclume<\/strong> et de <strong>l&rsquo;\u00e9trier<\/strong> de vibrer plus intens\u00e9ment.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/schema-anatomie02-700x394-e1548175617177.jpg\" alt=\"\" class=\"wp-image-16189\" width=\"506\" height=\"284\" srcset=\"https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/schema-anatomie02-700x394-e1548175617177.jpg 686w, https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/schema-anatomie02-700x394-e1548175617177-300x168.jpg 300w\" sizes=\"auto, (max-width: 506px) 100vw, 506px\" \/><\/figure><\/div>\n\n\n\n<p>Ces vibrations arrivent ensuite \u00e0 la <strong>colch\u00e9e<\/strong> qui contient <strong>les cellules cili\u00e9es<\/strong> qui transforment les vibrations en faible&nbsp;\u00e9lectricit\u00e9.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignleft\"><img loading=\"lazy\" decoding=\"async\" width=\"290\" height=\"174\" src=\"https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/cellule-cili\u00e9es.jpg\" alt=\"\" class=\"wp-image-16184\"\/><figcaption>Sch\u00e9ma de cellules cili\u00e9es<\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/cellule-cili\u00e9es-2.jpg\" alt=\"\" class=\"wp-image-16183\" width=\"317\" height=\"97\" srcset=\"https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/cellule-cili\u00e9es-2.jpg 405w, https:\/\/www.imelasavoie.fr\/wp-content\/uploads\/2019\/01\/cellule-cili\u00e9es-2-300x92.jpg 300w\" sizes=\"auto, (max-width: 317px) 100vw, 317px\" \/><figcaption>Cellules cili\u00e9es<\/figcaption><\/figure><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Enfin,&nbsp; gr\u00e2ce aux nerfs auditifs, le message arrive dans le cerveau, pr\u00e9cisement dans la zone sensorielle sp\u00e9cialis\u00e9e : la zone auditive. Le message y sera traduit et une r\u00e9ponse sera donn\u00e9e par le corps.<\/p>\n\n\n\n<p>Au-dessus de 120 d\u00e9cibels, les cellules cili\u00e9es peuvent \u00eatre d\u00e9truites et on entend moins bien. C&rsquo;est pour cela que les EPI sont obligatoires.<\/p>\n\n\n\n<p>R\u00e9my, Nicolas, Alexandra, Ludivine, Lucie, Oc\u00e9ane<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Au dessus de 90 d\u00e9cibels , les sons sont dangereux : il faut mettre des&nbsp;EPI ( \u00e9quipements de protection individuels) comme un casque. Au travail, c&rsquo;est une obligation. Mais comment fonctionne le syst\u00e8me auditif ? Quand un son arrive \u00e0 &hellip; <a href=\"https:\/\/www.imelasavoie.fr\/?p=16156\">Continuer la lecture <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48,59],"tags":[],"class_list":["post-16156","post","type-post","status-publish","format-standard","hentry","category-actualites","category-dinamo1"],"_links":{"self":[{"href":"https:\/\/www.imelasavoie.fr\/index.php?rest_route=\/wp\/v2\/posts\/16156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.imelasavoie.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.imelasavoie.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.imelasavoie.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.imelasavoie.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16156"}],"version-history":[{"count":0,"href":"https:\/\/www.imelasavoie.fr\/index.php?rest_route=\/wp\/v2\/posts\/16156\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.imelasavoie.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.imelasavoie.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.imelasavoie.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}