{"id":12290,"date":"2024-03-05T10:02:34","date_gmt":"2024-03-05T07:02:34","guid":{"rendered":"https:\/\/umram.bilkent.edu.tr\/?p=12290"},"modified":"2024-03-05T10:02:34","modified_gmt":"2024-03-05T07:02:34","slug":"umram-asbam-bahar-2023-seminerleri-layers-of-primary-visual-cortex-as-a-window-into-internal-models-about-predicted-and-simulated-environments-human-fmri-and-monkey-and-rodent-neuroscience","status":"publish","type":"post","link":"https:\/\/umram.bilkent.edu.tr\/index.php\/tr\/2024\/03\/05\/umram-asbam-bahar-2023-seminerleri-layers-of-primary-visual-cortex-as-a-window-into-internal-models-about-predicted-and-simulated-environments-human-fmri-and-monkey-and-rodent-neuroscience\/","title":{"rendered":"UMRAM\/ASBAM Bahar 2023 Seminerleri: \u201cLayers of primary visual cortex as a window into internal models about predicted and simulated environments: Human fMRI, and monkey and rodent neuroscience\u201d"},"content":{"rendered":"<p><strong>Prof. Lars Muckli<\/strong><\/p>\n<p>Psikoloji ve Sinirbilim Okulu<\/p>\n<p>Glasgow \u00dcniversitesi<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Tarih\/Saat:\u00a0<\/strong>16 Mart Per\u015fembe, 12:30<\/p>\n<p><strong>Toplant\u0131 Kimli\u011fi:<\/strong> 941 2425 2490 (\u015eifre Kodu: 896970)<\/p>\n<p>https:\/\/zoom.us\/j\/94124252490?pwd=T0JJMTdBd0tvZU1HeUJrUXhuYWdZQT09<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u00d6zet:<\/strong>\u00a0Normal\u00a0beyin\u00a0fonksiyonu, i\u00e7 s\u00fcre\u00e7lerin gelen duyusal uyaranlarla etkile\u015fimini i\u00e7erir. Erken g\u00f6rsel korteksteki dahili modelleri ve geri bildirim mekanizmalar\u0131n\u0131 \u00f6rnekleyen bir dizi beyin g\u00f6r\u00fcnt\u00fcleme deneyi (7T fMRI kullanarak) olu\u015fturduk. Birincil g\u00f6rsel korteks (V1), g\u00f6rsel bilginin kortikal olarak i\u015flenmesi i\u00e7in giri\u015f a\u015famas\u0131d\u0131r. \u015eunlarla ilgili \u00fc\u00e7 kar\u015f\u0131t bilgi ak\u0131\u015f\u0131 oldu\u011funu g\u00f6sterebiliriz: (1) retinotopik g\u00f6rsel girdi, (2) beyin taraf\u0131ndan olu\u015fturulan dahili modellerin yukar\u0131dan a\u015fa\u011f\u0131ya tahminleri ve (3) alg\u0131dan ba\u011f\u0131ms\u0131z olarak hareket eden yukar\u0131dan a\u015fa\u011f\u0131ya g\u00f6r\u00fcnt\u00fcler ve tahmin d\u00f6ng\u00fcs\u00fc. \u0130\u00e7sel modeller gelen bilgiyi g\u00fc\u00e7lendirir ve amplifiye eder, ancak ayn\u0131 zamanda g\u00f6rsel alg\u0131ya m\u00fcdahale etmeyen zihinsel imgeler de vard\u0131r. Sonu\u00e7lar\u0131m\u0131z tahmine dayal\u0131 kodlaman\u0131n kavramsal \u00e7er\u00e7evesine hitap ediyor. Sa\u011fl\u0131kl\u0131 beyin i\u015flevi, tahminin kesinli\u011fi ile tahmin hatas\u0131na dayal\u0131 tahmin g\u00fcncellemesi aras\u0131nda bir denge kuracakt\u0131r. Sonu\u00e7lar\u0131m\u0131z son teknoloji \u00fcr\u00fcn\u00fc, katmana \u00f6zg\u00fc ultra y\u00fcksek alan fMRI ve di\u011fer g\u00f6r\u00fcnt\u00fcleme tekniklerini i\u00e7ermektedir. \u00c7ok t\u00fcrl\u00fc ve \u00e7ok y\u00f6ntemli bir yakla\u015f\u0131mla, sonu\u00e7lar\u0131m\u0131z\u0131 kemirgenlerde ve maymunlarda tekrarl\u0131yoruz ve g\u00f6rsel korteksteki yukar\u0131dan a\u015fa\u011f\u0131ya s\u00fcre\u00e7lerin alt\u0131nda yatan n\u00f6ronal kortikal mikro devreler hakk\u0131nda daha fazla \u015fey \u00f6\u011freniyoruz.<\/p>\n<p><strong>Konu\u015fmac\u0131 Hakk\u0131nda:<\/strong>\u00a0Lars Muckli, G\u00f6rsel ve Bili\u015fsel Sinir Bilimleri Profes\u00f6r\u00fc, Glasgow&#8217;daki Bili\u015fsel N\u00f6rog\u00f6r\u00fcnt\u00fcleme Merkezi&#8217;nde (CCNI) fMRI Direkt\u00f6r\u00fc ve 7T-G\u00f6r\u00fcnt\u00fcleme M\u00fckemmeliyet Merkezi (ICE) MRI&#8217;n\u0131n E\u015fba\u015fkan\u0131d\u0131r. FMRI ve \u00e7ok modlu beyin g\u00f6r\u00fcnt\u00fcleme alan\u0131nda 24 y\u0131l \u00e7al\u0131\u015ft\u0131. Lars Muckli, Frankfurt&#8217;taki Max-Planck Beyin Ara\u015ft\u0131rmalar\u0131 Enstit\u00fcs\u00fc&#8217;nde (Doktora. 2002 y\u0131l\u0131nda). 2004 y\u0131l\u0131nda Frankfurt Beyin G\u00f6r\u00fcnt\u00fcleme Merkezi&#8217;nin (F-BIC) kurulu\u015funa katk\u0131da bulundu. Daha sonra Glasgow&#8217;a ta\u015f\u0131nd\u0131 ve 2008 y\u0131l\u0131nda Bili\u015fsel N\u00f6rog\u00f6r\u00fcnt\u00fcleme Merkezi&#8217;nin (CCNI) ve G\u00f6r\u00fcnt\u00fcleme M\u00fckemmeliyet Merkezi&#8217;nin (ICE) a\u00e7\u0131l\u0131\u015f\u0131na katk\u0131da bulundu. \u00c7al\u0131\u015fmalar\u0131 kortikal geri bildirimin beyin g\u00f6r\u00fcnt\u00fclemesine, katmana \u00f6zg\u00fc fMRI ara\u015ft\u0131rmas\u0131na ve \u00e7ok seviyeli\/t\u00fcrler aras\u0131 hesaplamal\u0131 sinir bilimine odaklanmaktad\u0131r. Muckli laboratuvar\u0131 daha \u00f6nce &#8216;Ba\u011flamsal geri bildirim ve tahminlerin beyin taraf\u0131ndan okunmas\u0131&#8217; konusunda bir ERC konsolidat\u00f6r hibesi ile finanse ediliyordu. Lars, 2016&#8217;dan bu yana \u0130nsan Beyni Projesi&#8217;nin (HBP) bir \u00fcyesidir ve kemirgen ve insan sinir bilimi \u00fczerine &#8216;Ba\u011flama duyarl\u0131, \u00e7oklu duyusal nesne tan\u0131ma, \u00e7ok d\u00fczeyli, \u00e7ok t\u00fcrl\u00fc verilerle s\u0131n\u0131rland\u0131r\u0131lm\u0131\u015f derin bir a\u011f modeli&#8217; konulu bir \u00e7al\u0131\u015fma paketine liderlik etmektedir. \u00c7al\u0131\u015fmalar\u0131, kortikal geri bildirimin beyin g\u00f6r\u00fcnt\u00fclemesine ve katmana \u00f6zg\u00fc fMRI&#8217;nin ara\u015ft\u0131r\u0131lmas\u0131na odaklanmaktad\u0131r. \u00c7ok d\u00fczeyli t\u00fcrler aras\u0131 hesaplamal\u0131 sinir bilimiyle ilgileniyor. Lars, tahmine dayal\u0131 kodlama teorilerinin geli\u015ftirilmesi i\u00e7in \u00f6nemli destekleyici kan\u0131tlar \u00fcretti.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Prof. Lars Muckli Psikoloji ve Sinirbilim Okulu Glasgow \u00dcniversitesi &nbsp; Tarih\/Saat:\u00a016 Mart Per\u015fembe, 12:30 Toplant\u0131 Kimli\u011fi: 941 2425 2490 (\u015eifre Kodu: 896970) https:\/\/zoom.us\/j\/94124252490?pwd=T0JJMTdBd0tvZU1HeUJrUXhuYWdZQT09 &nbsp; \u00d6zet:\u00a0Normal\u00a0beyin\u00a0fonksiyonu, i\u00e7 s\u00fcre\u00e7lerin gelen duyusal uyaranlarla etkile\u015fimini i\u00e7erir. Erken g\u00f6rsel korteksteki dahili modelleri ve geri bildirim mekanizmalar\u0131n\u0131 \u00f6rnekleyen bir dizi beyin g\u00f6r\u00fcnt\u00fcleme deneyi (7T fMRI kullanarak) olu\u015fturduk. Birincil g\u00f6rsel korteks (V1), [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":12280,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[748],"tags":[],"_links":{"self":[{"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/posts\/12290"}],"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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/comments?post=12290"}],"version-history":[{"count":1,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/posts\/12290\/revisions"}],"predecessor-version":[{"id":12291,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/posts\/12290\/revisions\/12291"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/media\/12280"}],"wp:attachment":[{"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/media?parent=12290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/categories?post=12290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/umram.bilkent.edu.tr\/index.php\/wp-json\/wp\/v2\/tags?post=12290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}