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Zorova kora chastina kori golovnogo mozku yaka vidigraye vazhlivu rol v obrobci vizualnoyi informaciyi Vona roztashovana v potilichnij chastci v zadnij chastini cherepa Zorova koraGolovnij mozok lyudini Viglyad zzadu Chervonim poznacheno Pole Brodmana 17 pervinnu zorovu koru pomaranchevim Pole Brodmana 18 i zhovtim Pole Brodmana 19DetaliIdentifikatoriLatina Cortex visualisMeSH D014793NeuroLex ID nlx 143552FMA 242644Anatomichna terminologiya redaguvati u Vikidanih Vizualna informaciya yaka nadhodit vid ochej prohodit cherez bichni kolinchasti yadra talamusu a potim dosyagaye zorovoyi kori Chastina zorovoyi kori yaka otrimuye sensorni vhodi vid talamusa nazivayetsya pervinnoyu zorovoyu koroyu abo pershoyu vizualnoyu zonoyu V1 vidpovidaye Polyu Brodmana 17 i ekstrastriarnoyi kori yaka skladayetsya z zorovih oblastej drugoyi V2 tretoyi V3 chetvertoyi V4 i p yatoyi V5 1 j vidpovidaye polyam Brodmana 18 i 19 Obidvi pivkuli mozku mistyat zorovu koru Zorova kora livoyi pivkuli otrimuye signali vid pravogo zorovogo polya a zorova kora v pravij pivkuli otrimuye signal vid livogo polya zoru Zmist 1 Vvedennya 1 1 Suchasni doslidzhennya 2 Psihologichna model nejronnoyi obrobki vizualnoyi informaciyi 2 1 Ventralno dorsalna model 3 Pervinna zorova kora V1 3 1 Funkciya 4 V2 5 Tretya zorova kora vklyuchno z V3 6 V4 7 Serednotim yana zorova zona V5 7 1 Zv yazki 7 2 Funkciya 7 3 Funkcionalna organizaciya 8 V6 8 1 Vlastivosti 8 2 Shlyahi 9 Div takozh 10 Primitki 11 PosilannyaVvedennya RedaguvatiPervinna zorova kora V1 znahoditsya v shpornij borozni ta i navkolo neyi v potilichnij chastci V kozhnij pivkuli V1 otrimuye informaciyu bezposeredno vid ipsilateralnogo lateralnogo kolinchatogo tila yake v svoyu chergu otrimuye signali vid kontrlateralnoyi polovini polya zoru Nejroni v zorovij kori generuyut potenciali diyi koli vizualni stimuli z yavlyayutsya v yihnomu receptivnomu poli Za viznachennyam receptivne pole ce dilyanka v mezhah polya zoru sho viklikaye potencial diyi Prijnyati modeli nejronnih nalashtuvan dozvolyayut pripustiti sho nejroni reaguyut vidpovidno do riznih stupeniv shozhosti mizh optimalnim podraznikom nejrona i danim stimulom Ce vlastivist nazivayetsya nejronalnim t yuningom V rannih zorovih zonah nejroni mayut bilsh prosti nalashtuvannya Napriklad nejron v V1 mozhe spracyuvati na bud yakij vertikalnij stimul u jogo receptivnomu poli U vishih zorovih zonah nejroni mayut skladnishi nalashtuvannya Napriklad v nizhnij skronevoyi kori nejron mozhe spracyuvati lishe todi koli pevne oblichchya z yavlyayetsya v jogo receptivnomu poli Zorova kora otrimuye krovopostachannya nasampered vid shpornoyi gilki zadnoyi mozkovoyi arteriyi Na malyunku Right Visual Field prave zorove pole Left Visual Field live zorove pole Right Eye prave oko Left Eye live oko Optic Nerve optichnij nerv Optic Chiasm zorova hiazma Lateral Geniculate Nucleus bichne kolinchaste yadro Primary Visual Cortex pervinna zorova kora Brain mozok Pole Brodmana 17 Pole Brodmana 18 Pole Brodmana 19Suchasni doslidzhennya Redaguvati Doslidzhennya pervinnoyi zorovoyi kori mozhe vklyuchati v sebe zapis potencialiv diyi vid elektrodiv u mozku kotiv thoriv shuriv mishej abo mavp abo cherez zapis vbudovanih optichnih signaliv vid tvarin abo EEG MEG abo fMRT signali vid polya V1 lyudini chi mavpi Odnim z nedavnih vidkrittiv u vidnoshenni zoni V1 lyudini ye te sho signali vimiryani za dopomogoyu fMRT pokazuyut duzhe veliku uvagovu modulyaciyu zminu signalu vidpovidno do uvagi skoncentrovanoyi na podrazniku Cej rezultat uzgodzhuyetsya z inshim nedavnim elektrofiziologichnim doslidzhennyam yake pokazalo sho hocha V1 obroblyaye vizualnu informaciyu pered V2 i V4 uvagova modulyaciya vidbuvayetsya v V4 dali V2 i potim nareshti v V1 Ce mozhe oznachati sho uvagova modulyaciya vidbuvayetsya za rahunok zvorotnogo zv yazku vid vishih zorovih oblastej do bilsh nizkogo rivnya zorovih oblastej 2 Inshi potochni doslidzhennya zoni V1 mayut na meti povnistyu oharakterizuvati jogo vlastivosti pidlashtovuvannya shobi vikoristovuvati cyu dilyanku yak model kanonichnogo kortikalnogo lancyuzhka Poshkodzhennya pervinnoyi zorovoyi kori yak pravilo prizvodyat do skotomi abo dirki poli zoru Cikavo sho u paciyenti zi skotomami neridko v zmozi vikoristovuvati vizualnou informaciyu predstavlenu v yihnih skotomah ale v zmozi svidomo sprijmati jogo Ce yavishe bulo chastkovo opisane v aspekti togo sho Lari Vajskranc Larry Weiskrantz z Oksfordskogo universitetu nazvav slipim zorom i shiroko vivchayetsya inshimi vchenimi v doslidzhennyah svidomosti Psihologichna model nejronnoyi obrobki vizualnoyi informaciyi RedaguvatiVentralno dorsalna model Redaguvati Dorzalnij potik zelenij i ventralnij potik fioletovij yaki vihodyat vihodyat z pervinnoyi zorovoyi kori Ventralnij potik pochinayetsya z V1 jde cherez zorovi zoni V2 potim cherez zorovi zoni V4 i dali do nizhnoyi skronevoyi kori Jogo she inodi nazivayut Sho shlyah vin pov yazanij z rozpiznavannyam formi ta viznannyam ob yektiv Vin takozh pov yazanij zi shovishem dovgotrivaloyi pam yati Dorzalnij potik pochinayetsya z V1 jde cherez zorovu zonu V2 potim pryamuye do dorzomedialnoyi zoni V6 i serednoskronevoyi zoni V5 i dali do zadnotim yanoyi kori Dorzalnij potik De shlyah abo Yak shlyah pov yazanij z ruhom misceznahodzhennyam ob yekta kontrolem oka i ruki osoblivo koli vizualna informaciya vikoristovuyetsya dlya oriyentaciyi sakkad uzgodzhenih ruhiv ochej dlya rozpiznavannya ob yektu oblichchya lyudini chi dosyagnennya ob yektu rukoyu Sho i de funkciyi ventralnogo j dorzalnogo shlyahiv buli vpershe opisani Ungerlajderom i Mishkinim Ungerleider and Mishkin 3 She zovsim nedavno Gudejl Goodale i Milner Milner vislovili ci ideyi j pripustili sho ventralnij potik maye virishalne znachennya dlya vizualnogo sprijnyattya todi yak dorsalnij potik oposeredkovuye vizualnij kontrol vidpracovanih dij 4 Bulo pokazano sho zorovi ilyuziyi taki yak ilyuziya Ebbingauza angl Ebbinghaus illusion spotvoryuyut uyavlennya perceptivnoyi prirodi ale koli viprobuvanij vidpovidaye diyeyu napriklad hapannyam niyakogo spotvorennya ne vidbuvayetsya 5 V odnomu z doslidzhen Scharnowski i Gegenfurtner 6 pripuskayetsya sho i sistema diyi j sistema sprijnyattya odnakovo piddayutsya takim ilyuziyam Inshi doslidzhennya tim ne mensh bilshe pidtrimuyut ideyu sho na taki vidpracovani diyi taki yak hapannya ne vplivayut ilyuziyi 7 8 i zaznachayut sho disociaciyi diyi sprijnyattya ye korisnim prikladom dlya opisannya funkcionalnogo rozpodilu praci mizh dorsalnim i ventralnim zorovimi shlyahami v kori golovnogo mozku 9 Pervinna zorova kora V1 Redaguvati Mikrofotografiya pokazuye zorovu koru vidilena rozhevim M yaka mozkova obolona i pavutinna obolona vklyuchno z krovonosnimi sudinami vidni v verhnij chastini zobrazhennya Podkirkova bila rechovina vidilena sinim vidna v nizhnij chastini zobrazhennya Farbuvannya HE LFB Pervinna zorova kora najkrashe vivchena zorova zona v mozku U vsih doslidzhenih ssavciv vona znahoditsya u zadnomu polyusi potilichnoyi chastki Ce najprostisha najbilsh rannya kirkova zorova zona specializovana dlya obrobki informaciyi pro statichni j ruhomi ob yekti j dlya rozpiznavannya samih ob yektivFunkcionalno viznachena zona pervinnoyi zorovoyi kori priblizno vidpovidaye anatomichno viznachenij smugastij striarnij kori Nazva smugasta kora pohodit vid liniyi Gennari smugi yaka vidna neozbroyenim okom 10 sho yavlyaye soboyu miyelinizovani aksoni z bichnogo kolinchatogo yadra yaki zakinchuyutsya v shari IV siroyi rechovini Pervinna zorova kora skladayetsya iz shesti funkcionalno riznih shariv pronumerovanih vid 1 do 6 Serednye chislo nejroniv yaki mistyatsya v pervinnij zorovij kori dorosloyi lyudini u kozhnij pivkuli ocinyuyetsya v rozmiri blizko 140 miljoniv 11 Funkciya Redaguvati V1 maye duzhe chitko viznacheni karti prostorovoyi informaciyi Napriklad u lyudini verhnij kraj shpornoyi borozni silno reaguye na informaciyu z nizhnoyi polovini polya zoru nizhche centru a nizhnij kraj shpornoyi borozni na informaciyu z verhnoyi polovini polya zoru Tak vidbuvayetsya transformaciya vizualnogo obrazu vid sitkivki do V1 Vidpovidnist mizh danim ob yektom u V1 i v sub yektivnomu poli zoru duzhe tochne navit slipi plyami vidobrazhayutsya v V1 Z tochki zoru evolyuciyi cya peredacha zobrazhennya bazova i ye u bilshosti tvarin yaki mayut V1 U lyudini i tvarin z centralnoyu yamkoyu v sitkivci bilsha chastina V1 vidobrazhaye neveliku centralnu dilyanku polya zoru Ce yavishe vidome yak kortikalne zbilshennya angl cortical magnification 12 Mozhlivo z metoyu tochnogo prostorovogo vidobrazhennya nejroni v V1 mayut najmenshij rozmir receptivnogo polya z usih dilyanok zorovoyi kori Vlastivosti V1 nejroniv ta yihnye reaguvannya znachno vidriznyatisya z plinom chasu Na pochatku chasu 40 ms i dali okremi nejroni V1 dobre pidlashtovani do nevelikogo naboru podraznikiv Tobto nejronni reakciyi mozhut rozriznyati neveliki zmini vizualnoyi oriyentaciyi prostorovoyi chastoti i koloru Krim togo okremi V1 nejroni lyudini j tvarin z binokulyarnim zorom mayut monokulyarne dominuvannya tobto nalashtuvannya na odne z dvoh ochej U V1 i pervinnoyi sensornoyi kori v cilomu nejroni z takim harakternim nalashtuvannyam mayut tendenciyu grupuvatisya razom v kortikalni kolonki Devid Hyubel i Torsten Vizel zaproponuvali klasichnu model organizaciyi kortikalnoyi kolonki u viglyadi kubiku lodu dlya poyasnennya dvoh vlastivostej takogo nalashtuvannya monokulyarnogo dominuvannya en j oriyentaciyi en Odnak cya model ne mozhe vmistiti koloru prostorovoyi chastoti i bagatoh inshih funkcij do yakih nalashtovani nejroni Tochna model organizaciyi vsih cih kortikalnih kolonok v V1 zalishayetsya aktualnoyu temoyu suchasnih doslidzhen Matematichne modelyuvannya ciyeyi funkciyi bulo zrobleno na osnovi modeli peretvorennya Garbora angl Gabor transforms Vizualna informaciya retranslyuyetsya na V1 ne zakodovano u terminah prostorovih abo optichnih zobrazhen a shvidshe u viglyadi konturiv Yak priklad dlya zobrazhen sho skomponovani z chornoyi j biloyi polovin rozdilova mezha mizh chornim ta bilim yavlyaye soboyu silnij lokalnij kontrast i koduyetsya v toj samij chas poki dekilka nejroniv koduyut informaciyu pro yaskravist yak chornogo tak i bilogo koloru Informaciya dodatkovo peredayutsya na nastupni zorovi dilyanki 13 Funkcionalni modeli prostih klitin v V1 bulo vstanovleno Lindebergom Lindeberg ta inshimi vchenimi 14 15 16 17 18 Rozbizhnosti v rozmirah V1 takozh vplivayut na individualne sprijnyattya j ilyuziyi 19 V2 RedaguvatiZorova zona V2 abo vtorinna zorova kora yaka she nazivayetsya prestriarnoyu abo predsmugastoyu koroyu 20 druga za znachennyam dilyankoyu v zorovij kori i pershoyu dilyankoyu v poli vizualnih asociacij Vona maye potuzhni pryami zv yazki z V1 pryami j cherez podushku zorovogo bugra i spryamovuye volokna do V3 V4 i V5 Zona takozh maye micnij zvorotnij zv yazok z V1 Z tochki zoru anatomiyi V2 dilitsya na chotiri kvadranti dorsalne i ventralne predstavnictvo v livij i pravij pivkuli Razom ci chotiri regioni zabezpechuyut povnu kartu vizualnogo svitu V2 maye bagato spilnih z V1 vlastivostej klitini nalashtovani na prosti vlastivosti taki yak oriyentaciya prostorova chastota i kolir Vidpovidi na bagatoh nejroniv V2 takozh modulyuyutsya bilsh skladnimi fenomenami takimi yak ilyuzorni konturi 21 22 binokulyarna nevidpovidnist 23 v zalezhnosti vid togo stimul ye chastinoyu malyunka chi chastinoyu tla 24 25 nedavni doslidzhennya pokazali sho dlya klitin zoni V2 vpliv uvagi uvagova modulyaciya nevelikij Vin bilshij nizh v zoni V1 ale menshij nizh u zoni V4 Pri comu klitini nalashtovani na pomirno skladni paterni j mozhut buti kerovani mnozhinnimi ustanovkami v riznih subregionah odnogo receptivnogo polya Doslidniki stverdzhuyut sho ves ventralnij zorovo gipokampalnij potik vazhlivij dlya zorovoyi pam yati 26 cya teoriya na vidminu vid dominuyuchoyi stverdzhuye sho zmini ob yektno rozpiznavalnoyi pam yati ORP mozhut stati rezultatom vnutrishnih procesiv u zoni V2 yaka maye tisni vzayemozv yazki v mezhah ventralnogo potoku zorovoyi kori V mozku mavpi cya dilyanka maye silni pryami z yednannya z pervinnoyu zorovoyu koroyu V1 i posilaye impulsi na inshi vtorinni dilyanki zorovoyi kori V3 V4 i V5 27 28 22 29 30 U nedavnomu doslidzhenni shar 6 klitin kori V2 yak viyavilosya graye duzhe vazhlivu rol u zberiganni rozpiznanogo ob yektu pam yati a takozh peretvorennya ob yektu korotkostrokovoyi spogadiv v ob yekt dovgostrokovoyi pam yati 31 Tretya zorova kora vklyuchno z V3 RedaguvatiTermin tretij vizualnij kompleks stosuyetsya oblasti kori roztashovanoyi bezposeredno pered V2 i yakij vklyuchaye v oblasti vizualnoyi zoni V3 v mozku lyudini Uskladnena nomenklatura obumovlena tim sho deyaki rozbizhnosti vidnosno tochnih rozmiriv zoni V3 vse she isnuyut deyaki doslidniki pripuskayuchi sho dilyanka kori roztashovana v perednij chastini V2 mozhe vklyuchati v sebe dva abo tri funkcionalnih pidrozdili Napriklad Devid Van Essen David Van Essen ta inshi 1986 zaproponuvali isnuvannya dorzalnoyi V3 u verhnij chastini mozkovogo pivkuli yaka vidriznyayetsya vid ventralnoyi V3 roztashovanoyi v nizhnij chastini mozku Dorzalna j ventralna V3 mayut chitki zv yazki z inshimi chastinami mozku z yavlyayutsya v riznih zrizah zabarvlenih riznimi barvnikami za riznimi metodikami j mistyat nejroni yaki reaguyut na rizni kombinaciyi vizualnih stimuliv napriklad kolorovo selektivni nejroni bilsh poshireni u ventralnij V3 V mozku lyudini buli vidileni takozh dodatkovi pidrozdili v tomu chisli V3A i V3B Ci pidrozdili znahodyatsya poruch z ventralnoyu V3 ale ne prilyagayut do V2 Dorzalna V3 yaka zazvichaj rozglyadayetsya yak chastina dorzalnogo potoku otrimuye vhodi vid V2 i vid pervinnoyi zorovoyi kori j sama proektuye informaciyu do zadnoyi tim yanoyi kori Ce mozhe buti anatomichno roztashovani v poli Brodmana 19 Braddick vikoristovuyuchi fMRT pripustiv sho zona V3 V3A mozhe grati rol u zagalnomu sprijnyatti ruhu 32 inshi doslidzhennya voliyut rozglyadati dorzalnu V3 yak chastinu bilsh velikoyi dorzomedialnoyi zoni DM yakij mistit predstavnictvo vsogo polya zoru Nejroni v oblasti DM reaguyut na kogerentnij ruh velikih ob yektiv sho ohoplyuyut znachni chastini polya zoru Lui i spivavtori 2006 Ventralna V3 maye nabagato bilsh slabki z yednannya z pervinnoyu zorovoyu zonoyu i bilsh tisni zv yazki z nizhnoyu skronevoyu koroyu U toj chas yak u bilsh rannih doslidzhennyah stverdzhuvalosya sho u V3 mistitsya informaciya tilki z verhnoyi chastini polya zoru vishe tochki fiksaciyi bilsh pizni roboti pokazali sho cya oblast bilsh shiroka i yak v inshih zorovih zonah u nij mozhe mistitisya povne vizualne podannya 33 V4 RedaguvatiZorova zona V4 odna iz zorovih zon v ekstrastriarnij zorovij kori U makak vona roztashovana speredu vid V2 i zzadu vid zadnotim yanoyi dilyanki Zona vklyuchaye yak minimum chotiri dilyanki liva j prava V4d liva j prava V4v a deyaki doslidniki zaznachayut sho V4 mistit takozh rostralni i kaudalni pidrozdili Nevidomo dostemenno chi isnuye gomologichna do V4 dilyanka v mozku lyudini i ce pitannya na danij chas predmet pilnoyi uvagi 34 Bilshist doslidzhen vkazuyut na te sho vibirkova uvaga mozhe zminiti pokazniki impulsaciyi v V4 priblizno na 20 35 36 Serednotim yana zorova zona V5 RedaguvatiSerednotim yana zorova zona MT abo V5 ce dilyanka ekstrastriarnoyi zorovoyi kori U dekilkoh vidiv shirokonosih mavp i mavp Starogo Svitu MT zona mistit visoku kilkist napryamok selektivnih nejroniv 37 MT primativ vidigraye osnovnu rol u sprijnyatti ruhu integraciyi lokalnih ruhovih signaliv u globalne sprijnyattya j keruvanni ruhom ochej 37 Zv yazki Redaguvati MT pid yednana do shirokogo spektra kortikalnih i pidkirkovih oblastej golovnogo mozku Impulsi do ciyeyi zoni nadhodyat iz vizualnih oblastej kori golovnogo mozku V1 V2 i V3 dorsomedialnyi zoni 38 39 kinocelyulyarnih zon 40 i nizhnoyi podushki zorovogo bugra 41 Patern proyekciyi na MT vnosit zmini v sprijnyatti centralnogo i periferichnogo polya zoru 42 Standartnim ye uyavlennya pro te sho V1 ye najbilsh vazhlivim vhodom u MT 37 Odnak kilka doslidzhen pokazali sho nejroni v MT zdatni reaguvati na vizualnu informaciyu chasto v napryam selektivnomu rezhimi navit pislya znishennya abo inaktivaciyi V1 43 krim togo doslidzhennya Semira Zeki Semir Zeki j spivavtoriv pokazali sho pevni tipi vizualnoyi informaciyi mozhut dosyagati MT she do togo yak potraplyat do V1 MT vidpravlyaye svoyi osnovni impulsi do dilyanok roztashovanih v kori golovnogo mozku yaki bezposeredno otochuyut jogo v tomu chisli v rajonah FST MST i V4t Inshi vihodi z MT pryamuyut do zon ruhu ochej v lobovij ta tim yanij chastkah Funkciya Redaguvati Pershi doslidzhennya elektrofiziologichnih vlastivostej nejroniv v zoni MT pokazali sho velika chastina yiyi klitin nalashtovani na shvidkist i napryam ruhu zorovih stimuliv 44 45 Doslidzhennya z poshkodzhennyam takozh pidtverdili rol MT v sprijnyatti ruhiv i ruhah ochej 46 Nejropsihologichni doslidzhennya paciyenta yakij ne v zmozi pobachiti ruh yakij divitsya na svit yak na seriyu statichnih kadriv priveli do dumki sho zona V5 u primativ gomologichna MT u lyudini 47 48 Odnak oskilki nejroni v V1 takozh nalashtovani na napryam i shvidkist ruhu ci ranni rezultati zalishayut vidkritim pitannya pro te sho same MT mozhe takogo zrobiti sho ne zmozhe zrobiti V1 Vchenimi buv zroblenij velikij obsyag roboti v doslidzhenni ciyeyi dilyanki azh dopoki stalo zrozumilo sho same tut vidbuvayetsya integraciya lokalnih vizualnih signaliv ruhu v globalni ruhi skladnih ob yektiv 49 Napriklad poshkodzhennya V5 vede do poyavi deficitu v sprijnyatti ruhu i obrobki skladnih podraznikiv V5 mistit bagato nejroniv yaki vibirkovo obroblyayut ruh skladnih vizualnih ob yektiv kinci linij kutiv Mikropolyarizaciya nejrona roztashovanogo v V5 vplivaye na sprijnyattya ruhu 50 Ye she bagato superechok z privodu tochnoyi formi obrobki informaciyi v zoni MT 51 i deyaki doslidzhennya pokazuyut sho sprijnyattya ruhu po suti vzhe isnuye na bilsh nizkih rivnyah zorovoyi sistemi takih yak V1 52 53 Funkcionalna organizaciya Redaguvati Bulo dovedeno sho nejroni v MT organizovani v pravilni stovpchiki 54 DeAngelis stverdzhuvav sho v MT nejroni takozh organizovani na osnovi yih binokulyarnoyi disparatnosti nevidpovidnosti 55 V6 RedaguvatiDorsomedialna zona DM takozh vidoma yak zona V6 z velikoyu virogidnistyu reaguye na vizualni stimuli pov yazani z vlasnim ruhom 56 i shirokokutnimi v poli zoru ob yektami 57 V6 yak strukturnij pidrozdil zorovoyi kori primativ upershe opisav Dzhon Ollman i Dzhon Kaas John Allman and Jon Kaas u 1975 roci 58 V6 znahoditsya u dorzalnij chastini ekstrastriarnoyi kori poruch z pozdovzhnoyu shilinoyu velikogo mozku lat fissura longitudinalis medialis i yak pravilo takozh vklyuchaye v sebe chastini medialnoyi kori taki yak tim yano potilichna borozna Protyagom bagatoh rokiv vvazhalosya sho DM isnuye tilki u shirokonosih mavp mavp Novogo Svitu Odnak bilsh pizni doslidzhennya pokazali sho DM isnuye i v mavp Starogo Svitu i mozhlivo u lyudej V6 takozh inodi nazivayut tim yano potilichnoyu zonoyu hocha vidpovidnist ne tochna 59 60 Vlastivosti Redaguvati Nejroni v zoni DM V6 nichnoyi mavpi i igrunki zvichajnoyi mayut unikalni vlastivosti reaguvannya taki yak nadzvichajno visoka vibirkovist do oriyentaciyi vizualnih konturiv i perevagu dovgih bezperervnih linij sho ohoplyuyut znachni chastini polya zoru 61 62 Prote v porivnyanni z zonoyu MT znachno mensha chastka klitin DM pokazuye vibirkovu vidpovid na napryamok ruhu vizualnih obraziv She odniyeyu pomitnoyu rizniceyu z MT ye te sho klitini v DM nalashtovani na nizki prostorovi chastoti zobrazhennya j pogano reaguyut na ruhi fakturnih ob yektiv takih yak pole vipadkovih tochok Ci reakciyi pripuskayut sho DM i MT mozhut pracyuvati paralelno persha analizuyuchi vlasnij ruh po vidnoshennyu do navkolishnogo seredovisha a druga analizuyuchi ruhi okremih ob yektiv shodo tla Neshodavno zona yaka reaguye na shirokokutni zorovi polya bula 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