{"id":1490,"date":"2019-05-10T19:33:37","date_gmt":"2019-05-10T16:33:37","guid":{"rendered":"http:\/\/blog.ulubat.org\/?p=1490"},"modified":"2019-05-10T19:33:37","modified_gmt":"2019-05-10T16:33:37","slug":"beyin-sinyalleri-sese-donusturuldu","status":"publish","type":"post","link":"https:\/\/blog.ulubat.org\/index.php\/gunceller\/beyin-sinyalleri-sese-donusturuldu\/","title":{"rendered":"Beyin Sinyalleri Sese D\u00f6n\u00fc\u015ft\u00fcr\u00fcld\u00fc"},"content":{"rendered":"\n<p class=\"has-medium-font-size\">Fel\u00e7li hastalarda konu\u015famama durumu g\u00fcnl\u00fck hayat\u0131 zorla\u015ft\u0131ran en b\u00fcy\u00fck etkenlerdendir. Bu hastalar \u00e7o\u011funlukla harfleri veya kelimeleri se\u00e7mek i\u00e7in kullan\u0131lan bir imleci hareket ettirmeleri gereken beyin bilgisayar aray\u00fczlerini kullanmak durumunda kal\u0131r. (Bu sisteme Stephen Hawking\u2019ten az da olsa a\u015finay\u0131z.) Ancak bu sistemler, hastaya dakikada yaln\u0131zca 10 kelime kullanabilmesine izin verecek kadar yava\u015ft\u0131r. Ki normal bir konu\u015fmada dakikada 150 kelime kullan\u0131l\u0131r. Ayr\u0131ca \u00e7o\u011fu hastan\u0131n da bu sisteme ula\u015fma imkan\u0131 yok. Bu durum bilim adamlar\u0131n\u0131 yeni aray\u0131\u015flara itti ve do\u011frudan beyin sinyallerini ses dalgalar\u0131na d\u00f6n\u00fc\u015ft\u00fcren yeni bir teknoloji geli\u015ftirildi.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" width=\"1024\" height=\"280\" src=\"https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-6-1024x280.png\" alt=\"\" class=\"wp-image-1492\" srcset=\"https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-6-1024x280.png 1024w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-6-400x109.png 400w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-6-768x210.png 768w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-6-110x30.png 110w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-6-420x115.png 420w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-6-770x210.png 770w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-6.png 1040w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size\">Epilepsi tedavisinin bir par\u00e7as\u0131 olarak yap\u0131lan \u00e7al\u0131\u015fma 5 epilepsi hastas\u0131 \u00fczerinde denendi. Beyinlerinin ventral sensorimotor korteks (vSMC), superior temporal gyrus ve inferior frontal gyrus\u2019lar\u0131na elektrotlar yerle\u015ftirilen hastalara pek \u00e7ok kelime okutuldu ve bu s\u0131rada beyin sinyalleri kaydedildi. Bilgisayar; dil, \u00e7ene, ses telleri ve dudaklar dahil olmak \u00fczere ses kanallar\u0131n\u0131n nas\u0131l farkl\u0131 sesler \u00e7\u0131karmaya y\u00f6nlendirildi\u011fini g\u00f6steren haritalar olu\u015fturdu. Daha sonra ise olu\u015fturulan bu haritalar sentetik konu\u015fma \u00fcreten bir bilgisayar program\u0131na aktar\u0131ld\u0131 ve buradan yeni sesler \u00fcretildi.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" width=\"1024\" height=\"491\" src=\"https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-9-1024x491.png\" alt=\"\" class=\"wp-image-1496\" srcset=\"https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-9-1024x491.png 1024w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-9-400x192.png 400w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-9-768x368.png 768w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-9-110x53.png 110w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-9-420x201.png 420w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-9-770x369.png 770w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-9.png 1136w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>\u00dcstteki frekans orjinal bir konu\u015fmaya ait. Alttaki frekans ise bilgisayar taraf\u0131ndan \u00fcretilmi\u015f sesin frekans\u0131. aralar\u0131ndaki bu benzerlik \u00fcretilen sesin normal konu\u015fmaya ne kadar benzedi\u011finin de kan\u0131t\u0131 niteli\u011finde.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" width=\"1024\" height=\"1024\" src=\"https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-8-1024x1024.png\" alt=\"\" class=\"wp-image-1495\" srcset=\"https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-8-1024x1024.png 1024w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-8-150x150.png 150w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-8-250x250.png 250w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-8-125x125.png 125w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-8-110x110.png 110w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-8-420x420.png 420w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-8-768x768.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>beynin elektrot yerle\u015ftirilen b\u00f6lgeleri<\/figcaption><\/figure>\n\n\n\n<p class=\"has-medium-font-size\">Kat\u0131l\u0131mc\u0131lardan \u00fcretilen bu sesleri tekrar dinlemeleri ve kopyalamalar\u0131 istendi\u011finde \u00e7o\u011funlukla s\u00f6zc\u00fckleri do\u011fru anlad\u0131lar ve kopyalad\u0131lar. <\/p>\n\n\n\n<p class=\"has-medium-font-size\">Teknoloji, konu\u015fan bireylerde i\u015fe yaram\u0131\u015ft\u0131 ancak konu\u015famayan bireylerde i\u015fe yaray\u0131p yaramad\u0131\u011f\u0131n\u0131 anlamak i\u00e7in kat\u0131l\u0131mc\u0131lardan c\u00fcmleleri sadece a\u011f\u0131z hareketleri ile okumalar\u0131 istendi. Bu kez kalite d\u00fc\u015f\u00fck olsa da sonu\u00e7lar hala umut verici idi. <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" width=\"1024\" height=\"1024\" src=\"https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-7-1024x1024.png\" alt=\"\" class=\"wp-image-1494\" srcset=\"https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-7-1024x1024.png 1024w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-7-150x150.png 150w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-7-250x250.png 250w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-7-125x125.png 125w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-7-110x110.png 110w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-7-420x420.png 420w, https:\/\/blog.ulubat.org\/wp-content\/uploads\/2019\/05\/image-7-768x768.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>en \u00fcstte kat\u0131l\u0131mc\u0131n\u0131n y\u00fcksek sesle okudu\u011fu bir c\u00fcmlenin spektrogram\u0131n\u0131 g\u00f6r\u00fcyoruz. Ortada daha k\u00fc\u00e7\u00fck bir ses tonuyla ama duyulacak \u015fekilde ayn\u0131 c\u00fcmleyi tekrar s\u00f6ylemi\u015f. En altta ise ayn\u0131 eklem hareketlerini yapm\u0131\u015f ama bu sefer ses \u00e7\u0131karmam\u0131\u015f. Ses \u00e7\u0131kmamas\u0131na ra\u011fmen spektrogramlar aras\u0131 benzerlik ilgi \u00e7ekici <\/figcaption><\/figure>\n\n\n\n<p class=\"has-medium-font-size\">Beyin sinyallerini direkt sese d\u00f6n\u00fc\u015ft\u00fcrmek, mevcut teknolojilere g\u00f6re bir\u00e7ok avantaja sahip. S\u00f6zc\u00fckleri, normal konu\u015fma h\u0131z\u0131nda s\u00f6yleyebilme olana\u011f\u0131 sunarken ayn\u0131 zamanda ses tonu gibi yaz\u0131 ile anla\u015f\u0131lamayacak konu\u015fma unsurlar\u0131n\u0131 da yakalayabiliyor. <\/p>\n\n\n\n<p class=\"has-medium-font-size\">Sistem \u015fu an i\u00e7in klinikte uygulanamasa da geli\u015fmeler son h\u0131zla devam ediyor. <\/p>\n\n\n\n<ul><li>Kaynak\u00e7a:  <\/li><li><a href=\"https:\/\/www.nih.gov\/news-events\/news-releases\/scientists-translate-brain-signals-into-speech-sounds\">https:\/\/www.nih.gov\/news-events\/news-releases\/scientists-translate-brain-signals-into-speech-sounds<\/a>  <\/li><li> <a href=\"http:\/\/noroblog.net\/2019\/04\/28\/beyin-dalgalari-yoluyla-iletisim-kurma-girisimlerinde-buyuk-bir-adim-daha\/\">http:\/\/noroblog.net\/2019\/04\/28\/beyin-dalgalari-yoluyla-iletisim-kurma-girisimlerinde-buyuk-bir-adim-daha\/<\/a> <\/li><li>orjinal makale:<\/li><li> <br><a href=\"https:\/\/www.nature.com\/articles\/s41586-019-1119-1\">https:\/\/www.nature.com\/articles\/s41586-019-1119-1<\/a> <\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Fel\u00e7li hastalarda konu\u015famama durumu g\u00fcnl\u00fck hayat\u0131 zorla\u015ft\u0131ran en b\u00fcy\u00fck etkenlerdendir. Bu hastalar \u00e7o\u011funlukla harfleri veya kelimeleri se\u00e7mek i\u00e7in kullan\u0131lan bir<\/p>\n","protected":false},"author":57,"featured_media":1493,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[165],"tags":[],"acf":[],"views":4196,"_links":{"self":[{"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/posts\/1490"}],"collection":[{"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/users\/57"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/comments?post=1490"}],"version-history":[{"count":5,"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/posts\/1490\/revisions"}],"predecessor-version":[{"id":1508,"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/posts\/1490\/revisions\/1508"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/media\/1493"}],"wp:attachment":[{"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/media?parent=1490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/categories?post=1490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/tags?post=1490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}