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[{"key": "dc.contributor.author", "value": "M\u00e4kel\u00e4, Hanna", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2011-08-26T06:56:31Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2011-08-26T06:56:31Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2011", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1182109", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/36584", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Uhkaavat tai vihaiset \u00e4rsykkeet havaitaan neutraaleja ja muita emotionaalisia \u00e4rsykkeit\u00e4 tehokkaammin, mik\u00e4 johtunee tietoisuutta edelt\u00e4vist\u00e4 esitietoisista havaintoprosesseista. Usein ymp\u00e4rist\u00f6n viestit toisaalta havaitaan eri aisti-informaatioita yhdistellen aistipiirien v\u00e4lisen (engl. cross-modal) tiedonk\u00e4sittelyn my\u00f6t\u00e4, jolloin n\u00e4hdyn (emotionaaliseen) k\u00e4sittelyyn voisi vaikuttaa esimerkiksi samalla kuultu taustamusiikki. T\u00e4m\u00e4n tutkimuksen tarkoituksena oli selvitt\u00e4\u00e4 uhkan esitietoisen prosessoinnin mahdollisuutta sek\u00e4 emotionaalisen taustamusiikin roolia visuaalisten uhka\u00e4rsykkeiden tiedonk\u00e4sittelyss\u00e4. T\u00e4t\u00e4 tutkittiin muutossokeusparadigmalla, jossa esitettiin nopeita neutraalista vihaiseksi tai iloiseksi muuttuvia piirrettyj\u00e4 kasvoilmeit\u00e4. T\u00e4ss\u00e4 tarkasteltiin sek\u00e4 ilmemuutosten behavioraalista havaitsemista ett\u00e4 etsittiin neurofysiologisia viitteit\u00e4 esitietoisesta prosessoinnista aivojen her\u00e4te- eli ERP-vasteista (Event-Related Potentials) ennen ilmemuutoksen tietoista havaitsemista. Taustamusiikin roolia tarkasteltiin manipuloimalla ilmemuutosteht\u00e4v\u00e4n aikana soivan musiikin emotionaalisuutta (vihainen tai ei-vihainen). Tutkittavat havaitsivat hypoteesin mukaisesti vihaisia ilmemuutoksia iloisia tehokkaammin, mutta taustamusiikin emotionaalisuuden vaihtelu ei vaikuttanut suoriutumiseen. Esitietoisesta uhkan prosessoinnista ennen muutoksen tietoista raportointia saatiin my\u00f6s viitteit\u00e4, kun neutraalin ja vihaiseksi muuttuneen kasvon aikaisissa ERP-vasteissa havaittiin amplitudiero (210\u2013260 ms kasvon esitt\u00e4misest\u00e4). Vasteet olivat lis\u00e4ksi herkki\u00e4 taustamusiikin emotionaalisuudelle. Vihaisen musiikin aikana neutraalin ja vihaisen ilmeen aikaiset vasteet olivat samanlaisia, kun taas ei-vihaisen taustamusiikin yhteydess\u00e4 n\u00e4iden v\u00e4lille syntyi amplitudiero (210\u2013260 ms kasvon esitt\u00e4misest\u00e4). Tarkastellut ERP-vasteet mitattiin oikeanpuoleiselta ohimo- ja takaraivolohkon alueelta ja tulkittiin vastaavan kirjallisuudessa esiintyv\u00e4\u00e4 emotionaaliselle\nsis\u00e4ll\u00f6lle herkk\u00e4\u00e4 EPN-vastetta (Early Posterior Negativity), varhaista aivojen takaosissa havaittavaa negatiivisuutta. Tulokset viittaavat yleisesti havaintoprosessiemme suurempaan uhkaherkkyyteen. Uhkaavat \u00e4rsykkeet havaitaan iloisia tehokkaammin ja niiden tiedonk\u00e4sittelyn taustalla n\u00e4ytt\u00e4isi olevan\nesitietoista prosessointia. Visuaalisen uhkan esitietoiseen prosessointiin kuitenkin vaikuttanee lis\u00e4ksi tietoisesti kuullun taustamusiikin synnytt\u00e4m\u00e4 emotionaalinen havaintokonteksti. Vihainen kasvo oli ilmeisesti erityisen merkityksellinen esitietoisella tasolla emotionaalisesti inkongruentissa, ei-vihaisessa kontekstissa. Tulosten perusteella uhkaavien \u00e4rsykkeiden varhainen esitietoinen prosessointi ei siis tapahtuisi irrallaan muun aisti-informaation v\u00e4litt\u00e4m\u00e4st\u00e4 emotionaalisesta havaintoymp\u00e4rist\u00f6st\u00e4. T\u00e4m\u00e4 my\u00f6s vihjaa esitietoisen ja tietoisen tiedonk\u00e4sittelyn yhteisty\u00f6st\u00e4.", "language": null, "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Hanna M\u00e4kel\u00e4 (hamakrma) on 2011-08-26 06:56:28.565932. Form: Pro gradu -lomake (1 tekij\u00e4) (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake-1-tekijae). JyX data:", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija@noreply.fi) on 2011-08-26T06:56:31Z\nNo. of bitstreams: 2\nURN:NBN:fi:jyu-2011082611300.pdf: 455138 bytes, checksum: 5ff99e5fdf1a8287e735281a22f1fdd1 (MD5)\nlicense.html: 5067 bytes, checksum: 08a2e3e721cd21bbda6e4090c9c0d786 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2011-08-26T06:56:31Z (GMT). No. of bitstreams: 2\nURN:NBN:fi:jyu-2011082611300.pdf: 455138 bytes, checksum: 5ff99e5fdf1a8287e735281a22f1fdd1 (MD5)\nlicense.html: 5067 bytes, checksum: 08a2e3e721cd21bbda6e4090c9c0d786 (MD5)\n Previous issue date: 2011", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "54 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": "uhkaava", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "vihainen", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "kasvoilme", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "emotionaalinen", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "taustamusiikki", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "esitietoinen", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "esitarkkaavainen", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "aistipiirien v\u00e4linen tiedonk\u00e4sittely", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "cross-modal", "language": "", "element": "subject", "qualifier": 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