{"id":381889,"date":"2018-11-29T09:18:37","date_gmt":"2018-11-29T08:18:37","guid":{"rendered":"http:\/\/hudo.com\/si\/?p=381889"},"modified":"2018-11-29T09:18:37","modified_gmt":"2018-11-29T08:18:37","slug":"znanstveniki-ugotovili-zakaj-gledanje-v-zaslone-povzroca-tezave-s-spanjem","status":"publish","type":"post","link":"https:\/\/hudo.com\/si\/aktualno\/znanstveniki-ugotovili-zakaj-gledanje-v-zaslone-povzroca-tezave-s-spanjem\/","title":{"rendered":"Znanstveniki ugotovili, zakaj gledanje v zaslone povzro\u010da te\u017eave s spanjem"},"content":{"rendered":"<div class=\"text\">\n<p>V notranjosti o\u010desne mre\u017enice, ki je v zadnjem delu o\u010desa, so na svetlobo ob\u010dutljive celice. Ko so te celice izpostavljene svetlobi, se v njih stalno obnavlja protein melanopsin. To mo\u017eganom neposredno sporo\u010da nivo svetlobe v okolici, na podlagi \u010desar regulirajo zavestnost, spanje in pozornost. Melanopsin sicer igra klju\u010dno vlogo pri sinhronizaciji \u010dlovekove notranje ure po desetih minutah osvetljenosti in zavira izlo\u010danje melatonina, ki uravnava spanec.<\/p>\n<p>&#8220;V primerjavi z drugimi na svetlobo ob\u010dutljivimi celicami v o\u010desu, se celice za melanopsin odzivajo, dokler je svetloba ali \u0161e celo nekaj sekund dlje,&#8221; je povedal Ludovic Mure, vodilni avtor \u0161tudije, objavljene v znanstveni reviji Cell Reports.<\/p>\n<p>S poskusom na mi\u0161ih so znanstveniki z In\u0161tituta za biolo\u0161ke \u0161tudije Salk ugotovili, da proteini arestini, ki v skladu splo\u0161nim prepri\u010danjem zadr\u017eujejo fotosenzitivni odziv nekaj sekund po prihodu svetlobe, prispevajo tudi k proizvodnji melanopsina.<\/p>\n<p>&#8220;\u0160tudija ka\u017ee, da dva arestina omogo\u010data stalno obnavljanje melanopsina,&#8221; je povedal soavtor \u0161tudije Satchin Panda. &#8220;Eden opravlja svoje obi\u010dajno delo in onemogo\u010da ob\u010dutljivost na svetlobo, drugi pa melanopsinu pomaga, da obnovi kofaktor za zaznavanje svetlobe na mre\u017enici. Ker se ta dva koraka zgodita tako hitro eden za drugim, se zdi, da se celica stalno odziva na svetlobo,&#8221; je povedal, kot \u0161e pi\u0161e na spletni strani in\u0161tituta.<\/p>\n<p>Ugotovitve bi lahko vodile do novih na\u010dinov zdravljenja migrene, nespe\u010dnosti in motenj cirkadijskega ritma. Znanstveniki pa se bodo zdaj posvetili ugotavljanju, kako vplivati na melanopsin, da bi resetirali biolo\u0161ko uro in s tem pomagali pri nespe\u010dnosti.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ameri\u0161ki znanstveniki so ugotovili, zakaj ve\u010durno gledanje v zaslone elektronskih naprav povzro\u010da te\u017eave s spanjem. V o\u010desni mre\u017enici so namre\u010d posebne celice, ki zaradi svetlobe zmedejo \u010dlovekovo biolo\u0161ko uro.<\/p>\n","protected":false},"author":5,"featured_media":381890,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1179],"tags":[3076,2866],"source":[4511],"supertag":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Znanstveniki ugotovili, zakaj gledanje v zaslone povzro\u010da te\u017eave s spanjem - Hudo Slovenija<\/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:\/\/hudo.com\/si\/aktualno\/znanstveniki-ugotovili-zakaj-gledanje-v-zaslone-povzroca-tezave-s-spanjem\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Znanstveniki ugotovili, zakaj gledanje v zaslone povzro\u010da te\u017eave s spanjem - Hudo Slovenija\" \/>\n<meta property=\"og:description\" content=\"Ameri\u0161ki znanstveniki so ugotovili, zakaj ve\u010durno gledanje v zaslone elektronskih naprav povzro\u010da te\u017eave s spanjem. V o\u010desni mre\u017enici so namre\u010d posebne celice, ki zaradi svetlobe zmedejo \u010dlovekovo biolo\u0161ko uro.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hudo.com\/si\/aktualno\/znanstveniki-ugotovili-zakaj-gledanje-v-zaslone-povzroca-tezave-s-spanjem\/\" \/>\n<meta property=\"og:site_name\" content=\"Hudo Slovenija\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hudo.si\" \/>\n<meta property=\"article:published_time\" content=\"2018-11-29T08:18:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hudo.com\/si\/wp-content\/uploads\/sites\/2\/2018\/11\/profimedia-0279957562.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1250\" \/>\n\t<meta property=\"og:image:height\" content=\"833\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"A. 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