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[{"key": "dc.contributor.advisor", "value": "Nokia, Miriam", "language": null, "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Lonka, Niina", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2016-02-29T10:44:34Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2016-02-29T10:44:34Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2014", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1523412", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/48967", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Aerobisen liikunnan on useassa tutkimuksessa todettu parantavan suoriutumista hippokampusv\u00e4litteisiss\u00e4 oppimis- ja muistiteht\u00e4viss\u00e4. Viime aikoina on kiinnostuttu voimaharjoittelun mahdollisista vaikutuksista aivojen terveyteen ja kognitiiviseen toimintaan. Vaikka positiivisia yhteyksi\u00e4 liikunnan ja oppimisen sek\u00e4 muistin v\u00e4lill\u00e4 on havaittu, ovat monimutkaiset mekanismit niiden taustalla edelleen ep\u00e4selv\u00e4t.\nUseassa tutkimuksessa on aerobisen liikunnan my\u00f6t\u00e4vaikutuksesta parantuneilla oppimis- ja muistisuorituksilla havaittu olevan yhteyksi\u00e4 pyk\u00e4l\u00e4poimun neurogeneesin sek\u00e4 neurogeenisen alueen angiogeneesin kanssa. T\u00e4ss\u00e4 tutkimuksessa haluttiin selvitt\u00e4\u00e4 onko voimaharjoittelulla vaikutusta hippokampuksen pyk\u00e4l\u00e4poimun neurogeenisen alueen verisuonitukseen. Lis\u00e4ksi haluttiin selvitt\u00e4\u00e4 onko pyk\u00e4l\u00e4poimun verisuonituksella yhteytt\u00e4 aikaviive-ehdollistumiseen, joka on hippokampusv\u00e4litteinen oppimisteht\u00e4v\u00e4. Tihentynyt verisuonitus olisi merkki kiihtyneest\u00e4 angiogeneesist\u00e4, joka voisi olla yksi mahdollinen v\u00e4litt\u00e4v\u00e4 tekij\u00e4 voimaharjoittelun ja kognitiivisten toimintojen v\u00e4lill\u00e4. Tutkimuksessa selvitettiin my\u00f6s, onko verisuonituksella yhteytt\u00e4 voimaharjoittelevien ryhm\u00e4ss\u00e4 ruumiin painoon, voiman muutokseen ja absoluuttiseen voimaan harjoittelujakson lopussa. Lis\u00e4ksi tutkittiin onko hippokampuksen pyk\u00e4l\u00e4poimun neurogeenisen alueen verisuonituksella yhteytt\u00e4 neurogeneesiin.\nTutkimuksessa oli 20 Sprague-dawley urosrottaa, jotka jaettiin satunnaisella valinnalla voimaharjoitteluryhm\u00e4\u00e4n (n = 10) ja kontrolliryhm\u00e4\u00e4n (n = 10). Voimaharjoitteluryhm\u00e4lle tehtiin kahdeksan viikon progressiivinen voimaharjoitteluinterventio. Intervention j\u00e4lkeen kaikki rotat saivat opetusta aikaviive-ehdollistumiseen yhten\u00e4 p\u00e4iv\u00e4n\u00e4. Rottien ehdollistuminen testattiin kontekstiin ja vihjeeseen. T\u00e4m\u00e4n j\u00e4lkeen rotat lopetettiin ja niiden aivot ker\u00e4ttiin ja n\u00e4ytteistettiin hippokampuksen alueelta. Pyk\u00e4l\u00e4poimun verisuonitus analysoitiin aivoleikkeist\u00e4 Reca-1\u2013 v\u00e4rj\u00e4ysmenetelm\u00e4n avulla.\nTulosten mukaan voimaharjoittelulla ei ole vaikutusta hippokampuksen pyk\u00e4l\u00e4poimun verisuonitukseen eik\u00e4 hippokampuksen pyk\u00e4l\u00e4poimun verisuonituksella ole yhteytt\u00e4 aikaviive-ehdollistumiseen. Yhteytt\u00e4 ei my\u00f6sk\u00e4\u00e4n l\u00f6ytynyt verisuonituksen ja ruumiin painon, voiman muutoksen sek\u00e4 absoluuttisen voiman v\u00e4lille. Tulokset olivat hypoteesien vastaiset. Hippokampuksen pyk\u00e4l\u00e4poimun verisuonituksella ja neurogeneesill\u00e4 havaittiin tilastollisesti merkitsev\u00e4 positiivinen yhteys, kun poikkeavat havainnot poistettiin analyysist\u00e4. T\u00e4m\u00e4 tulos tuki aiempia tutkimuksia, joiden mukaan neurogeneesi ja angiogeneesi ovat yhteydess\u00e4 toisiinsa. Tutkimuksen tulosten perusteella n\u00e4ytt\u00e4isi silt\u00e4, ett\u00e4 voimaharjoittelulla ei ole samanlaisia positiivisia vaikutuksia aivojen terveyteen kuin aerobisella harjoittelulla, jonka on aiemmissa tutkimuksissa todettu tehostavan pyk\u00e4l\u00e4poimun angiogeneesi\u00e4.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Miia Hakanen (mihakane) on 2016-02-29 10:44:34.511633. Form: Admin-lomake opinn\u00e4ytteiden julkaisuun (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/admin-lomake-opinnaytteet). JyX data: [jyx_publishing-allowed (fi) =False]", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija.group@korppi.jyu.fi) on 2016-02-29T10:44:34Z\nNo. of bitstreams: 2\nURN:NBN:fi:jyu-201602291722.pdf: 499044 bytes, checksum: 1f41a7e6528ff9d73695cd864a9edb5d (MD5)\nlicense.html: 107 bytes, checksum: a7d86e598caa500b1b433bbb9dc8ef1c (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2016-02-29T10:44:34Z (GMT). No. of bitstreams: 2\nURN:NBN:fi:jyu-201602291722.pdf: 499044 bytes, checksum: 1f41a7e6528ff9d73695cd864a9edb5d (MD5)\nlicense.html: 107 bytes, checksum: a7d86e598caa500b1b433bbb9dc8ef1c (MD5)\n Previous issue date: 2014", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto (56 sivua)", "language": null, "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "voimaharjoittelu", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "verisuonitus", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "neurogeneesi", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "angiogeneesi", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "aikaviive-ehdollistuminen", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "hippokampus", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "pyk\u00e4l\u00e4poimu", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Voimaharjoittelun vaikutus hippokampuksen neurogeenisen alueen verisuonitukseen rotilla", "language": null, "element": "title", "qualifier": null, "schema": "dc"}, 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