Bilim insanlar\u0131, al\u0131\u015f\u0131lmad\u0131k derecede iyi korunmu\u015f bir kafatas\u0131na sahip bir fosilin ke\u015ffi sayesinde erken d\u00f6nem bir dinozor olan Buriolestes schultzi<\/em>‘nin beynini yeniden olu\u015fturdular. Kafatas\u0131, yakla\u015f\u0131k 230 milyon y\u0131l \u00f6nce \u015fimdi Brezilya olan yerde ya\u015fam\u0131\u015f tilki b\u00fcy\u00fckl\u00fc\u011f\u00fcnde bir ete yiyene aitti.<\/p>\n\n Bilgisayarl\u0131 tomografi (BT) taramas\u0131 kullan\u0131larak ara\u015ft\u0131rmac\u0131lar, beyin kutusunun \u015feklini haritalayabildi ve beynin i\u00e7ine nas\u0131l oturaca\u011f\u0131n\u0131 belirleyebildi. Kafatas\u0131n\u0131n \u015feklinin detaylar\u0131, farkl\u0131 beyin yap\u0131lar\u0131n\u0131n boyutlar\u0131 hakk\u0131nda ipu\u00e7lar\u0131 sa\u011flad\u0131.<\/p>\n\n Buriolestes<\/em> beyni, \u00f6nemli bir k\u0131sm\u0131 g\u00f6rme i\u015flemine ayr\u0131lm\u0131\u015f ve nispeten az\u0131 koku alma duyusuna ayr\u0131lm\u0131\u015f bir timsah\u0131n beynine benzer bir yap\u0131ya sahipti. Kar\u015f\u0131la\u015ft\u0131rma yapmak gerekirse, benzer b\u00fcy\u00fckl\u00fckte bir tilkinin beyni \u00e7ok daha b\u00fcy\u00fckt\u00fcr ve Buriolestes’in<\/em> 1,5 gram\u0131na k\u0131yasla 53 gram a\u011f\u0131rl\u0131\u011f\u0131ndad\u0131r.<\/p>\n\n Zamanla, Buriolestes’in<\/em> torunlar\u0131 devasa, ot yiyen sauropodlara d\u00f6n\u00fc\u015ft\u00fc. Dinozorlar b\u00fcy\u00fcd\u00fck\u00e7e beyinleri ayn\u0131 h\u0131zda b\u00fcy\u00fcmedi. Brontosaurus<\/em> gibi sauropodlar\u0131n beyinleri, 100 tona varan k\u00fctlelerine ve 110 fit uzunluklar\u0131na ra\u011fmen sadece bir tenis topu b\u00fcy\u00fckl\u00fc\u011f\u00fcndeydi. Bu e\u011filim al\u0131\u015f\u0131lmad\u0131k bir durumdur \u00e7\u00fcnk\u00fc evrim tipik olarak zamanla daha b\u00fcy\u00fck beyinleri destekler.<\/p>\n\n Yeni \u00e7al\u0131\u015fma ayr\u0131ca Buriolestes<\/em> ile sauropodlar aras\u0131nda beyin yap\u0131s\u0131nda de\u011fi\u015fiklikler oldu\u011funu ortaya \u00e7\u0131kard\u0131. Buriolestes<\/em> k\u00fc\u00e7\u00fck koku so\u011fanc\u0131\u011f na sahipken, sauropodlar\u0131n b\u00fcy\u00fck koku so\u011fanc\u0131 \u011fna sahip olmas\u0131, zaman i\u00e7inde geli\u015fmi\u015f bir koku alma duyusunu g\u00f6sterir. Bu geli\u015fme, daha karma\u015f\u0131k sosyal davran\u0131\u015flar\u0131n kazan\u0131lmas\u0131 veya geli\u015fmi\u015f yem arama yetenekleriyle ilgili olabilir.<\/p>\n\n Ara\u015ft\u0131rmac\u0131lar, Buriolestes’in<\/em> avc\u0131 olarak g\u00f6rme i\u015fleminin \u00e7ok \u00f6nemli oldu\u011funu, \u00e7\u00fcnk\u00fc av\u0131n\u0131 takip etmesi ve daha b\u00fcy\u00fck et\u00e7illerden ka\u00e7\u0131nmas\u0131 gerekti\u011fini d\u00fc\u015f\u00fcn\u00fcyorlar. Buna kar\u015f\u0131l\u0131k, sadece bitki yiyen sauropodlar\u0131n keskin g\u00f6rmeye daha az ihtiyac\u0131 vard\u0131. Velociraptorlar ve Tyrannosaurus rex<\/em> gibi daha sonraki et\u00e7il dinozorlar\u0131n, daha geli\u015fmi\u015f avlanma stratejilerini yans\u0131tan Buriolestes’ten<\/em> daha b\u00fcy\u00fck beyinleri vard\u0131.<\/p>\n\n Yeni \u00e7al\u0131\u015fma, dinozor beyninin ve duyusal sistemlerinin erken evrimine dair de\u011ferli bilgiler sa\u011fl\u0131yor. Beyin ara\u015ft\u0131rmalar\u0131nda korunmu\u015f dinozor kafataslar\u0131n\u0131n \u00f6nemini vurguluyor ve bu tarih \u00f6ncesi hayvanlarda beyin b\u00fcy\u00fckl\u00fc\u011f\u00fc, v\u00fccut b\u00fcy\u00fckl\u00fc\u011f\u00fc ve davran\u0131\u015f aras\u0131ndaki ili\u015fkiye \u0131\u015f\u0131k tutuyor.<\/p>","protected":false},"excerpt":{"rendered":" Dinozorun Bezelye B\u00fcy\u00fckl\u00fc\u011f\u00fcndeki Beynini Yeniden Olu\u015fturan Yeni Ara\u015ft\u0131rma \u0130yi Korunmu\u015f Bir Kafatas\u0131n\u0131n Ke\u015ffi Bilim insanlar\u0131, al\u0131\u015f\u0131lmad\u0131k derecede iyi korunmu\u015f bir kafatas\u0131na sahip bir fosilin ke\u015ffi sayesinde erken d\u00f6nem bir dinozor…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[134,136,239,1579,99],"class_list":["post-2495","post","type-post","status-publish","format-standard","hentry","category-paleontology","tag-dinosaurs","tag-evolution","tag-fossils","tag-neuroscience","tag-lifescienceart"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/2495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/comments?post=2495"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/2495\/revisions"}],"predecessor-version":[{"id":2496,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/2495\/revisions\/2496"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/media?parent=2495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/categories?post=2495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/tags?post=2495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}BT Taramas\u0131 Beyin Yap\u0131s\u0131n\u0131 Ortaya \u00c7\u0131kard\u0131<\/h2>\n\n
Modern Hayvanlarla Kar\u015f\u0131la\u015ft\u0131rma<\/h2>\n\n
Dinozor Beyninin Evrimi<\/h2>\n\n
Duyusal Uyarlamalar<\/h2>\n\n
G\u00f6rme ve Av Takibi<\/h2>\n\n
Ke\u015ffin \u00d6nemi<\/h2>\n\n