[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.1cdc.sk\/google-publikuje-vobec-najvacsiu-mapu-pripojenia-mozgu-vo-vysokom-rozliseni\/#Article","mainEntityOfPage":"https:\/\/www.1cdc.sk\/google-publikuje-vobec-najvacsiu-mapu-pripojenia-mozgu-vo-vysokom-rozliseni\/","headline":"Google publikuje v\u00f4bec najv\u00e4\u010d\u0161iu mapu pripojenia mozgu vo vysokom rozl\u00ed\u0161en\u00ed","name":"Google publikuje v\u00f4bec najv\u00e4\u010d\u0161iu mapu pripojenia mozgu vo vysokom rozl\u00ed\u0161en\u00ed","description":"Vedci z\u00a0Google a\u00a0Janelia Research Campus vo Virg\u00ednii zverejnili najv\u00e4\u010d\u0161iu mapu mozgovej konektivity s\u00a0vysok\u00fdm rozl\u00ed\u0161en\u00edm u\u00a0ak\u00e9hoko\u013evek zviera\u0165a, 3D modely, ktor\u00e9 sleduj\u00fa 20 mili\u00f3nov synapsi\u00ed sp\u00e1jaj\u00facich okolo 25 000 neur\u00f3nov v\u00a0mozgu. Model je m\u00ed\u013enikom v\u00a0oblasti connectomiky, ktor\u00e1 vyu\u017e\u00edva podrobn\u00e9 zobrazovacie techniky na mapovanie fyzick\u00fdch dr\u00e1h mozgu. T\u00e1to mapa, zn\u00e1ma ako \u201ekonekt\u00f3m\u201c, pokr\u00fdva zhruba jednu tretinu mozgu. Doteraz bol t\u00fdmto mozgom \u00faplne zmapovan\u00fd […]","datePublished":"2020-01-27","dateModified":"2020-01-27","author":{"@type":"Person","@id":"https:\/\/www.1cdc.sk\/author\/#Person","name":"","url":"https:\/\/www.1cdc.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/aa13f0f1a5b61a2deba1492ce3bb4afe8e77d91eeb44c23db0ee08765a93abad?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/aa13f0f1a5b61a2deba1492ce3bb4afe8e77d91eeb44c23db0ee08765a93abad?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"1cdc.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.1cdc.sk\/wp-content\/uploads\/img_a309851_w2012_t1580312544.png","url":"https:\/\/www.1cdc.sk\/wp-content\/uploads\/img_a309851_w2012_t1580312544.png","height":0,"width":0},"url":"https:\/\/www.1cdc.sk\/google-publikuje-vobec-najvacsiu-mapu-pripojenia-mozgu-vo-vysokom-rozliseni\/","about":["Web"],"wordCount":386,"articleBody":"Vedci z\u00a0Google a\u00a0Janelia Research Campus vo Virg\u00ednii zverejnili najv\u00e4\u010d\u0161iu mapu mozgovej konektivity s\u00a0vysok\u00fdm rozl\u00ed\u0161en\u00edm u\u00a0ak\u00e9hoko\u013evek zviera\u0165a, 3D modely, ktor\u00e9 sleduj\u00fa 20 mili\u00f3nov synapsi\u00ed sp\u00e1jaj\u00facich okolo 25 000 neur\u00f3nov v\u00a0mozgu.Model je m\u00ed\u013enikom v\u00a0oblasti connectomiky, ktor\u00e1 vyu\u017e\u00edva podrobn\u00e9 zobrazovacie techniky na mapovanie fyzick\u00fdch dr\u00e1h mozgu. T\u00e1to mapa, zn\u00e1ma ako \u201ekonekt\u00f3m\u201c, pokr\u00fdva zhruba jednu tretinu mozgu. Doteraz bol t\u00fdmto mozgom \u00faplne zmapovan\u00fd iba jedin\u00fd organizmus.Connectomics m\u00e1 zmie\u0161an\u00fa poves\u0165 vo svete vedy. Obhajcovia tvrdia, \u017ee pom\u00e1ha sp\u00e1ja\u0165 fyzick\u00e9 \u010dasti mozgu so \u0161pecifick\u00fdmi spr\u00e1van\u00edm, ktor\u00e9 je k\u013e\u00fa\u010dov\u00fdm cie\u013eom v\u00a0neurovede. Kritici v\u0161ak poznamen\u00e1vaj\u00fa, \u017ee e\u0161te nepriniesli \u017eiadne z\u00e1sadn\u00e9 objavy a\u00a0tvrdia, \u017ee starostliv\u00e1 pr\u00e1ca pri mapovan\u00ed neur\u00f3nov je odlivom zdrojov, ktor\u00e9 by bolo lep\u0161ie pou\u017ei\u0165 inde.\u201eRekon\u0161trukcia je bezpochyby technick\u00fdm z\u00e1zrakom,\u201c povedal Mark Humphries, neurovedec z\u00a0University of Nottingham. Povedal v\u0161ak, \u017ee je to predov\u0161etk\u00fdm prostriedok, ktor\u00fd teraz m\u00f4\u017eu vyu\u017ei\u0165 aj in\u00ed vedci.3D mapa vytvoren\u00e1 spolo\u010dnos\u0165ou GO a\u00a0t\u00edmom FlyEM v\u00a0Janelii je ur\u010dite technick\u00fdm \u00faspechom, produktom automatizovan\u00fdch met\u00f3d a\u00a0nam\u00e1havej \u013eudskej pr\u00e1ce.Prv\u00fdm krokom pri vytv\u00e1ran\u00ed mapy bolo rozdelenie \u010dast\u00ed mozgu a\u00a0na k\u00fasky s\u00a0hr\u00fabkou iba na 20 mikr\u00f3nov, \u010do je zhruba tretina \u0161\u00edrky \u013eudsk\u00fdch vlasov. Ovocn\u00e9 mu\u0161ky s\u00fa v\u00a0connectomike be\u017en\u00fdm predmetom, preto\u017ee maj\u00fa pomerne jednoduch\u00e9 MO, ale vykazuj\u00fa zlo\u017eit\u00e9 spr\u00e1vanie, ako s\u00fa napr\u00edklad tance s\u00a0n\u00e1mahou.Tieto k\u00fasky MO sa potom zobrazia bombardovan\u00edm pr\u00fadmi elektr\u00f3nov zo skenovacieho elektr\u00f3nov\u00e9ho mikroskopu. V\u00fdsledn\u00e9 \u00fadaje obsahuj\u00fa pribli\u017ene 50 bili\u00f3nov 3D pixelov, ktor\u00e9 sa prac\u00favaj\u00fa pomocou algoritmu, ktor\u00fd sleduje dr\u00e1hy ka\u017edej bunky.Napriek algoritmickej zdatnosti spolo\u010dnosti GO e\u0161te st\u00e1le bolo potrebn\u00e9 vykona\u0165 kontrolu softv\u00e9ru. Spolo\u010dnos\u0165 tvrd\u00ed, \u017ee vedci v\u00a0Janelii potrebovali dva roky a\u00a0stovky tis\u00edc hod\u00edn, aby si \u201ekorigovali\u201c 3D mapu a\u00a0overili trasu ka\u017edej z\u00a020 mili\u00f3nov chemick\u00fdch synapsi\u00ed pomocou n\u00e1hlavn\u00fdch s\u00faprav virtu\u00e1lnej reality a\u00a0softv\u00e9ru na \u00fapravu 3D.                                                                                                                                                                                                                                                                                                                                                                                        4\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Google publikuje v\u00f4bec najv\u00e4\u010d\u0161iu mapu pripojenia mozgu vo vysokom rozl\u00ed\u0161en\u00ed","item":"https:\/\/www.1cdc.sk\/google-publikuje-vobec-najvacsiu-mapu-pripojenia-mozgu-vo-vysokom-rozliseni\/#breadcrumbitem"}]}]