{"id":387,"date":"2018-05-14T08:56:00","date_gmt":"2018-05-14T06:56:00","guid":{"rendered":"https:\/\/kids.esa.int\/being_weightless_affects_your_brain_in_surprising_ways\/"},"modified":"2026-10-08T00:27:35","modified_gmt":"2026-10-07T22:27:35","slug":"being_weightless_affects_your_brain_in_surprising_ways","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fi\/being_weightless_affects_your_brain_in_surprising_ways\/","title":{"rendered":"Painottomuus vaikuttaa aivoihin yll\u00e4tt\u00e4vill\u00e4 tavoilla!"},"content":{"rendered":"<div class=\"lede\">\n<p>Aivosi ovat uskomattomat! Ne k\u00e4sittelev\u00e4t jatkuvasti valtavaa m\u00e4\u00e4r\u00e4\u00e4 tietoa, jota kehon aistit v\u00e4litt\u00e4v\u00e4t niille. Terveet aivot ovat elint\u00e4rkeit\u00e4 my\u00f6s astronautille, etenkin kun heid\u00e4n on suoritettava monimutkaisia teht\u00e4vi\u00e4 avaruudessa. Oletko koskaan miettinyt, miten painottomuus avaruudessa vaikuttaa aivoihin?<\/p>\n<\/div>\n<p>Juuri t\u00e4h\u00e4n kysymykseen tutkijat ovat pyrkineet l\u00f6yt\u00e4m\u00e4\u00e4n vastauksen. He ovat k\u00e4ytt\u00e4neet \u201cZero-G\u201d-lentokonetta lent\u00e4\u00e4kseen korkealle ilmaan ja sy\u00f6ksy\u00e4kseen sitten alas, jolloin matkustajille tuntuu silt\u00e4, ett\u00e4 he ovat painottomia! Ryhm\u00e4 vapaaehtoisia tarjoutui antamaan aivojensa tutkittavaksi n\u00e4iden painottomuusjaksojen aikana, jotta voitaisiin selvitt\u00e4\u00e4, miten ne reagoivat tilanteeseen. Virtuaalitodellisuuslaseja k\u00e4ytt\u00e4en heid\u00e4n piti suorittaa teht\u00e4vi\u00e4, kuten oppimista, muistamista ja liikkumista uusissa ymp\u00e4rist\u00f6iss\u00e4. Tulokset olivat yll\u00e4tt\u00e4vi\u00e4!<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"5616\" data-credit=\"Novespace\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/05\/Brain_science_during_parabolic_flight2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/05\/brain_science_during_parabolic_flight2\/18245662-2-eng-GB\/Brain_science_during_parabolic_flight.jpg\" alt=\"Brain science during parabolic flight\"><figcaption>Aivotutkimus parabolilennolla<\/figcaption><\/figure>\n<p>Painon tunteen poistaminen lyhyeksi ajaksi auttoi vapaaehtoisia parantamaan kyky\u00e4\u00e4n suorittaa useita teht\u00e4vi\u00e4 samanaikaisesti ja ratkaista vaikeita matemaattisia yht\u00e4l\u00f6it\u00e4. T\u00e4h\u00e4n asti kaikki hyvin! He kuitenkin kokivat my\u00f6s, ett\u00e4 uusissa paikoissa oli vaikeampaa suunnistaa. Tutkijat ep\u00e4ilev\u00e4t, ett\u00e4 aivojen hippokampus, joka toimii ik\u00e4\u00e4n kuin sis\u00e4isen\u00e4 GPS:n\u00e4 ja auttaa suunnistamisessa, ei selviydy hyvin painottomuudesta. T\u00e4m\u00e4 voi olla ongelma, sill\u00e4 hippokampus auttaa meit\u00e4 my\u00f6s oppimaan ja muistamaan asioita. Astronautit k\u00e4ytt\u00e4v\u00e4t sit\u00e4, kun he telakoivat aluksia, laskeutuvat aluksilla ja tutkivat tuntemattomia alueita.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1181\" data-credit=\"Image source www.fotosearch.com, adaptation by HypoCampus team\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/05\/Hippocampus2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/05\/hippocampus2\/17897052-2-eng-GB\/Hippocampus.jpg\" alt=\"Hippocampus\"><figcaption>Hippokampus<\/figcaption><\/figure>\n<p>HypoCampus-niminen koe vied\u00e4\u00e4n kansainv\u00e4liselle avaruusasemalle vuonna 2019 t\u00e4m\u00e4n tutkimuksen jatkamiseksi. Onko pitk\u00e4aikaisella painottomuudella vaikutuksia astronauttien aivoihin?<\/p>\n<p>Haluaisitko l\u00e4hte\u00e4 matkalle Zero-G-koneella? Luuletko, ett\u00e4 painottomuus auttaisi sinua saamaan huippupisteit\u00e4 matematiikan kotiteht\u00e4vist\u00e4?<\/p>\n<p><b>Mielenkiintoinen fakta:<\/b> Kun Zero-G-kone sy\u00f6ksyy alas, matkustajat ovat painottomassa tilassa 20 sekuntia, ennen kuin lent\u00e4j\u00e4n on nostettava konetta yl\u00f6sp\u00e4in.<\/p>","protected":false},"excerpt":{"rendered":"<p>Your brain is amazing! It processes a huge amount of information given to it by your body&#8217;s senses, all of the time. Having a healthy brain is vital for astronauts [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/05\/zero-g_takeoff\/17872595-2-eng-GB\/Zero-G_takeoff.jpg","esa_banner_description":"Zero-G takeoff","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/05\/Zero-G_takeoff","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-387","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/387","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/comments?post=387"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/387\/revisions"}],"predecessor-version":[{"id":4434,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/387\/revisions\/4434"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/media?parent=387"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/categories?post=387"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/tags?post=387"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/panel?post=387"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/language?post=387"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/age?post=387"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/duration?post=387"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/resource_type?post=387"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/audience?post=387"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/wf_post_folders?post=387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}