{"id":13599,"date":"2021-03-29T08:52:59","date_gmt":"2021-03-29T05:52:59","guid":{"rendered":"https:\/\/umram.bilkent.edu.tr\/index.php\/2021\/03\/29\/gorsel-bir-olayin-hizli-ayirt-edilmesinde-isitsel-gorsel-etkilesimler\/"},"modified":"2026-11-04T11:00:09","modified_gmt":"2026-11-04T08:00:09","slug":"gorsel-bir-olayin-hizli-ayirt-edilmesinde-isitsel-gorsel-etkilesimler","status":"publish","type":"post","link":"https:\/\/umram.bilkent.edu.tr\/index.php\/tr\/2021\/03\/29\/gorsel-bir-olayin-hizli-ayirt-edilmesinde-isitsel-gorsel-etkilesimler\/","title":{"rendered":"G\u00f6rsel bir olay\u0131n h\u0131zl\u0131 ay\u0131rt edilmesinde i\u015fitsel-g\u00f6rsel etkile\u015fimler"},"content":{"rendered":"<p>Zamansal alandaki duyular aras\u0131 etkile\u015fimler \u00e7ok duyulu b\u00fct\u00fcnle\u015ftirmenin temel bir y\u00f6n\u00fcd\u00fcr. Ba\u015flang\u0131\u00e7 zamanlamas\u0131n\u0131 (SOA) temel de\u011fi\u015fken olarak kullanan <a href=\"https:\/\/umram.bilkent.edu.tr\/index.php\/teams\/utku-kaya\/\">Dr. Utku Kaya<\/a>, erken olay ili\u015fkili potansiyellerde (ERP) davran\u0131\u015fsal tepki s\u00fcrelerindeki de\u011fi\u015fimlerle ili\u015fkili i\u015fitsel-g\u00f6rsel etkile\u015fimler bulmu\u015ftur. Bu bulgular, duyusal i\u015flemenin erken evrelerindeki i\u015fitsel-g\u00f6rsel etkile\u015fimler ile alg\u0131sal ba\u015far\u0131m aras\u0131nda \u00f6nemli bir i\u015flevsel ba\u011f kurmaktad\u0131r. Ayr\u0131nt\u0131lar i\u00e7in: <a href=\"https:\/\/doi.org\/10.1111\/psyp.13777\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1111\/psyp.13777<\/a><\/p>\n\n<p>\u00d6zet<\/p>\n<p>Farkl\u0131 duyulardan gelen bilginin b\u00fct\u00fcnle\u015ftirilmesi d\u0131\u015f d\u00fcnyay\u0131 alg\u0131lay\u0131\u015f\u0131m\u0131z\u0131n merkezindedir. \u0130\u015fitsel-g\u00f6rsel etkile\u015fimler bu ba\u011flamda \u00f6zellikle iyi incelenmi\u015f ve bu etkile\u015fimlerin son alg\u0131 \u00fczerindeki g\u00fc\u00e7l\u00fc etkilerini g\u00f6steren \u00e7e\u015fitli yan\u0131lsamalar geli\u015ftirilmi\u015ftir. \u0130\u015fitsel-g\u00f6rsel paradigmalar kullanan \u00f6nceki \u00e7al\u0131\u015fmalar, ikincil bir modalitenin sa\u011flad\u0131\u011f\u0131 g\u00f6revle ilgisiz bilginin bile birincil bir hedefin tespitini ve ay\u0131rt edilmesini de\u011fi\u015ftirebildi\u011fini g\u00f6stermi\u015ftir. Bu etkilerin i\u015fitsel ve g\u00f6rsel uyaranlar aras\u0131ndaki g\u00f6reli zamanlamaya belirgin bi\u00e7imde ba\u011fl\u0131 oldu\u011fu bulunmu\u015ftur. Zamandaki bu etkile\u015fimler s\u0131k\u00e7a bildirilmi\u015f olsa da olay ili\u015fkili potansiyellerdeki (ERP) de\u011fi\u015fimler ile son davran\u0131\u015fsal ba\u015far\u0131m aras\u0131ndaki ili\u015fki h\u00e2l\u00e2 s\u0131n\u0131rl\u0131 \u00f6l\u00e7\u00fcde anla\u015f\u0131lmaktad\u0131r. Bu \u00e7al\u0131\u015fmada, elektroensefalogram (EEG) ile birle\u015ftirilmi\u015f bir h\u0131zl\u0131 ay\u0131rt etme paradigmas\u0131 kullan\u0131larak bu \u00f6nemli konuya \u0131\u015f\u0131k tutulmas\u0131 ama\u00e7lanm\u0131\u015ft\u0131r. Deney oturumlar\u0131nda i\u015fitsel bir t\u0131k sesi ile g\u00f6rsel bir parlama aras\u0131ndaki zamanlama geni\u015f bir uyaran ba\u015flang\u0131\u00e7 asenkronisi aral\u0131\u011f\u0131nda de\u011fi\u015ftirilmi\u015f ve g\u00f6zlemcilerden parlaman\u0131n konumunu h\u0131zla ay\u0131rt etmeleri istenmi\u015ftir. Davran\u0131\u015fsal tepki s\u00fcreleri t\u0131k sesinin zamanlamas\u0131yla belirgin bi\u00e7imde de\u011fi\u015fmi\u015ftir. Ayr\u0131ca medial pariyetal ve pariyeto-oksipital elektrotlardaki uyar\u0131lm\u0131\u015f etkinlik de\u011fi\u015fimleri bu etkiyle ili\u015fkili bulunmu\u015ftur. Bu de\u011fi\u015fimler 126-176 ms zaman aral\u0131\u011f\u0131nda yer alm\u0131\u015f ve daha da \u00f6nemlisi tepki s\u00fcrelerindeki de\u011fi\u015fimlerle de ili\u015fkili \u00e7\u0131km\u0131\u015ft\u0131r. Sonu\u00e7lar, duyusal i\u015flemenin erken evrelerindeki i\u015fitsel-g\u00f6rsel etkile\u015fimler ile tepki s\u00fcreleri aras\u0131nda \u00f6nemli bir i\u015flevsel ba\u011f kurmaktad\u0131r. \u00d6nceki ara\u015ft\u0131rmalarla birlikte de\u011ferlendirildi\u011finde, erken duyular aras\u0131 etkile\u015fimlerin alg\u0131sal ba\u015far\u0131mda kritik bir rol oynad\u0131\u011f\u0131n\u0131 d\u00fc\u015f\u00fcnd\u00fcrmektedir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zamansal alandaki duyular aras\u0131 etkile\u015fimler \u00e7ok duyulu b\u00fct\u00fcnle\u015ftirmenin temel bir y\u00f6n\u00fcd\u00fcr. Ba\u015flang\u0131\u00e7 zamanlamas\u0131n\u0131 (SOA) temel de\u011fi\u015fken olarak kullanan Dr. Utku Kaya, erken olay ili\u015fkili potansiyellerde (ERP) davran\u0131\u015fsal tepki s\u00fcrelerindeki de\u011fi\u015fimlerle ili\u015fkili i\u015fitsel-g\u00f6rsel etkile\u015fimler bulmu\u015ftur. Bu bulgular, duyusal i\u015flemenin erken evrelerindeki i\u015fitsel-g\u00f6rsel etkile\u015fimler ile alg\u0131sal ba\u015far\u0131m aras\u0131nda \u00f6nemli bir i\u015flevsel ba\u011f kurmaktad\u0131r. Ayr\u0131nt\u0131lar i\u00e7in: https:\/\/doi.org\/10.1111\/psyp.13777 \u00d6zet\u2026<\/p>\n","protected":false},"author":9,"featured_media":11517,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[445],"tags":[],"class_list":["post-13599","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-duyurular"],"_links":{"self":[{"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/posts\/13599","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/comments?post=13599"}],"version-history":[{"count":1,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/posts\/13599\/revisions"}],"predecessor-version":[{"id":13600,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/posts\/13599\/revisions\/13600"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/media\/11517"}],"wp:attachment":[{"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/media?parent=13599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/categories?post=13599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/tags?post=13599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}