{"id":244091,"date":"2026-08-04T11:29:11","date_gmt":"2026-08-04T11:29:11","guid":{"rendered":"https:\/\/www.europesays.com\/ee\/244091\/"},"modified":"2026-08-04T11:29:11","modified_gmt":"2026-08-04T11:29:11","slug":"teadlased-selgitasid-mis-toimub-nende-inimeste-ajus-kes-aratuskella-ei-kuule","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ee\/244091\/","title":{"rendered":"Teadlased selgitasid, mis toimub nende inimeste ajus, kes \u00e4ratuskella ei kuule"},"content":{"rendered":"<p>Lausanne\u2019i ja Genfi \u00fclikooli teadlased uurisid, kuidas muutub aju t\u00e4helepanu \u00e4rkvelolekust REM-unne liikudes. Ajakirjas Current Biology avaldatud <a rel=\"noopener follow nofollow\" target=\"_blank\" href=\"https:\/\/www.cell.com\/current-biology\/fulltext\/S0960-9822%2826%2900889-4?\" data-rel-date-range=\"[]\">uuringus <\/a>osales 25 tervet t\u00e4iskasvanut, kelle ajutegevust m\u00f5\u00f5deti kahel \u00f6\u00f6l elektroentsefalograafia ehk EEG abil.<\/p>\n<p class=\"isSelectedEnd\">Katse ajal m\u00e4ngiti osalejatele lihtsaid helisid ning v\u00f5rreldi nende tekitatud ajureaktsioone s\u00fcdame l\u00f6\u00f6kidega seotud n\u00e4rvisignaalidega. Selgus, et REM-une s\u00fcvenedes n\u00f5rgenes aju reaktsioon v\u00e4listele helidele, kuid s\u00fcdame l\u00f6\u00f6kidest l\u00e4htuvate signaalide t\u00f6\u00f6tlemine s\u00e4ilis ja muutus \u00e4rkvelolekuga v\u00f5rreldes isegi tugevamaks.<\/p>\n<p class=\"isSelectedEnd\">Teadlaste s\u00f5nul ei l\u00fclita aju une ajal meeli t\u00e4ielikult v\u00e4lja, vaid muudab informatsiooni t\u00e4htsuse j\u00e4rjekorda. V\u00e4liskeskkonna j\u00e4lgimise asemel p\u00f6\u00f6rab aju rohkem t\u00e4helepanu keha sisemistele signaalidele.<\/p>\n<p class=\"isSelectedEnd\">K\u00f5ige n\u00f5rgem oli reageerimine helidele niinimetatud faasilise REM-une ajal. Seda REM-une osa iseloomustavad kiired silmaliigutused, v\u00e4ikesed lihast\u00f5mblused ning s\u00fcdame- ja hingamisr\u00fctmi suurem muutlikkus. Tooniline REM-<a rel=\"noopener nofollow\" target=\"_blank\" href=\"https:\/\/www.delfi.ee\/teema\/70288851\/uni\" tag-id=\"70288851\">uni<\/a> j\u00e4i v\u00e4listele helidele reageerimise poolest \u00e4rkveloleku ja faasilise REM-une vahele.<\/p>\n<p class=\"isSelectedEnd\">Uurimisr\u00fchm t\u00f6\u00f6tas tulemuste p\u00f5hjal v\u00e4lja audio-kardioindeksi, mis n\u00e4itab aju v\u00e4listele helidele ja sisemistele s\u00fcdamesignaalidele reageerimise vahekorda. Teadlaste hinnangul v\u00f5iks sellest tulevikus saada abivahend selliste patsientide teadvusseisundi hindamiseks, kes ei saa ise arstidele vastata, n\u00e4iteks koomas v\u00f5i minimaalse teadvuse seisundis inimesed. Selle v\u00f5imaliku meditsiinilise kasutuse kinnitamiseks on siiski vaja edasisi uuringuid.<\/p>\n<p>Tulemused v\u00f5ivad osaliselt selgitada, miks inimest on REM-une teatud etapis raske helidega \u00e4ratada. Uuringus ei katsetatud \u00e4ratuskellade m\u00f5ju ega v\u00f5rreldud inimesi selle j\u00e4rgi, kas nad tavaliselt \u00e4ratuskella kuulevad. <\/p>\n<p>Kuidas see lugu Sind end tundma pani?Saada<a href=\"https:\/\/forte.delfi.ee\/artikkel\/120601550\/teadlased-selgitasid-mis-toimub-nende-inimeste-ajus-kes-aratuskella-ei-kuule\/kommentaarid\" class=\"button button--primary button--size-auto article-body-bottom__comment article-body-bottom__comment--write\" style=\"\" rel=\"nofollow noopener\" target=\"_blank\">Kommenteeri<\/a><a href=\"https:\/\/forte.delfi.ee\/artikkel\/120601550\/teadlased-selgitasid-mis-toimub-nende-inimeste-ajus-kes-aratuskella-ei-kuule\/kommentaarid\" class=\"button button--size-auto article-body-bottom__comment article-body-bottom__comment--read\" style=\"\" rel=\"nofollow noopener\" target=\"_blank\">Loe kommentaare <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Lausanne\u2019i ja Genfi \u00fclikooli teadlased uurisid, kuidas muutub aju t\u00e4helepanu \u00e4rkvelolekust REM-unne liikudes. Ajakirjas Current Biology avaldatud uuringus&hellip;\n","protected":false},"author":2,"featured_media":244092,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[14],"tags":[131,130,37,33,35,34,36,3707],"class_list":["post-244091","post","type-post","status-publish","format-standard","has-post-thumbnail","category-ari","tag-ari","tag-business","tag-ee","tag-eesti","tag-eesti-keel","tag-estonia","tag-estonian","tag-uni"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@ee\/117037011042616726","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/posts\/244091","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/comments?post=244091"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/posts\/244091\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/media\/244092"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/media?parent=244091"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/categories?post=244091"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ee\/wp-json\/wp\/v2\/tags?post=244091"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}