{"id":233654,"date":"2025-11-14T10:00:58","date_gmt":"2025-11-14T06:00:58","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T20:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/ucnoqta.az\/?p=233654","title":{"rendered":"Niy\u0259 b\u0259zi insanlar dig\u0259rl\u0259rind\u0259n daha s\u00fcr\u0259tli d\u00fc\u015f\u00fcn\u00fcrl\u0259r\u00a0"},"content":{"rendered":"

T\u0259dqiqatç\u0131lar zehni qabiliyy\u0259tl\u0259rin dig\u0259r beyin strukturlar\u0131 il\u0259 \u0259laq\u0259li olaca\u011f\u0131n\u0131 f\u0259rz ets\u0259l\u0259r d\u0259, n\u0259tic\u0259l\u0259r onlar\u0131 t\u0259\u0259ccübl\u0259ndirib.<\/strong><\/p>\n

Ucnoqta.az x\u0259b\u0259r verir ki, "Cerebral Cortex" jurnal\u0131, Leibniz \u0130\u015f Mühiti v\u0259 \u0130nsan Faktorlar\u0131 T\u0259dqiqat M\u0259rk\u0259zinin (Almaniya) aliml\u0259rinin genl\u0259rin beyin strukturuna v\u0259 z\u0259kas\u0131na nec\u0259 t\u0259sir etdiyini anlama\u011fa çal\u0131\u015fd\u0131qlar\u0131 böyük bir t\u0259dqiqat\u0131n n\u0259tic\u0259l\u0259rini d\u0259rc edib. Neyroalim Kristina Stammenin r\u0259hb\u0259rlik etdiyi bir qrup, irsiyy\u0259t v\u0259 idrak qabiliyy\u0259tl\u0259ri aras\u0131ndak\u0131 \u0259laq\u0259nin beyin bölg\u0259l\u0259rini birl\u0259\u015fdir\u0259n \u0259n inc\u0259 lifl\u0259r olan sinir prosesl\u0259rinin s\u0131xl\u0131\u011f\u0131 il\u0259 izah edil\u0259 bil\u0259c\u0259yini k\u0259\u015ff edib.<\/p>\n

Beyin qurulu\u015fu z\u0259kan\u0131 izah ed\u0259nd\u0259<\/strong>
\nBeynin a\u011f madd\u0259si, sinir siqnallar\u0131n\u0131n bölg\u0259l\u0259ri aras\u0131nda ötürüldüyü ünsiyy\u0259t yollar\u0131 \u015f\u0259b\u0259k\u0259sidir. Bu \u0259laq\u0259l\u0259rin effektivliyi insan\u0131n n\u0259 q\u0259d\u0259r tez dü\u015fündüyünü v\u0259 tap\u015f\u0131r\u0131qlar\u0131 n\u0259 q\u0259d\u0259r yax\u015f\u0131 yerin\u0259 yetirdiyini mü\u0259yy\u0259n edir.<\/p>\n

\u018fvv\u0259ll\u0259r a\u011f madd\u0259 strukturunu qiym\u0259tl\u0259ndirm\u0259k üçün beyin toxumas\u0131nda su molekullar\u0131n\u0131n h\u0259r\u0259k\u0259tini ölç\u0259n fraksiya anizotropiya adlanan bir metoddan istifad\u0259 olunurdu. Daha yüks\u0259k ballar daha yax\u015f\u0131 idrak funksiyas\u0131 il\u0259 \u0259laq\u0259l\u0259ndirilirdi, lakin metod bunun arxas\u0131nda n\u0259yin dayand\u0131\u011f\u0131n\u0131 – neyron \u0259laq\u0259l\u0259rinin s\u0131xl\u0131\u011f\u0131n\u0131, onlar\u0131n istiqam\u0259tini v\u0259 ya siqnal ötürülm\u0259sini sür\u0259tl\u0259ndir\u0259n miyelin örtüyünü (neyronlar\u0131m\u0131z\u0131n \u0259traf\u0131ndak\u0131 spiral) a\u015fkar etm\u0259di.<\/p>\n

Yeni t\u0259dqiqat daha d\u0259rind\u0259n ara\u015fd\u0131rd\u0131. Aliml\u0259r NODDI (neyrit s\u0131xl\u0131\u011f\u0131 v\u0259 istiqam\u0259t indeksi) v\u0259 miyelin suyunun x\u0259rit\u0259l\u0259\u015fdirilm\u0259si kimi müasir neyrogörüntül\u0259m\u0259 üsullar\u0131ndan istifad\u0259 etdil\u0259r. Bu, onlara beyin qurulu\u015funu misli görünm\u0259mi\u015f d\u0259qiqlikl\u0259 ara\u015fd\u0131rma\u011fa imkan verdi.<\/p>\n

500 i\u015ftirakç\u0131 v\u0259 bir ortaq amil<\/strong>
\nT\u0259crüb\u0259d\u0259 \u0259sas\u0259n t\u0259l\u0259b\u0259l\u0259r olan 500-d\u0259n çox sa\u011flam g\u0259nc i\u015ftirak edib. Onlar\u0131n ham\u0131s\u0131 yadda\u015f, m\u0259ntiq, dü\u015fünc\u0259 sür\u0259ti v\u0259 ümumi bilikl\u0259ri ölç\u0259n z\u0259ka testl\u0259rind\u0259n keçdi. Bu m\u0259lumatlara \u0259sas\u0259n, sözd\u0259 g-faktor v\u0259 ya inteqrasiya olunmu\u015f z\u0259ka metrikas\u0131 hesabland\u0131.<\/p>\n

H\u0259r bir i\u015ftirakç\u0131 h\u0259mçinin yana\u011f\u0131n\u0131n iç\u0259risind\u0259n götürülmü\u015f DNT nümun\u0259si t\u0259qdim etdi. Genetik analiz\u0259 \u0259sas\u0259n, t\u0259dqiqatç\u0131lar minl\u0259rl\u0259 kiçik genetik variasiyan\u0131n birl\u0259\u015fmi\u015f t\u0259sirini \u0259ks etdir\u0259n poligen z\u0259ka bal\u0131n\u0131 t\u0259yin etdil\u0259r. Daha sonra MRT m\u0259lumatlar\u0131 genetik v\u0259 idrak göst\u0259ricil\u0259ri il\u0259 müqayis\u0259 edildi.<\/p>\n

Beyin müayin\u0259l\u0259ri n\u0259yi ortaya qoydu<\/strong>
\nN\u0259tic\u0259l\u0259r maraql\u0131 idi. Daha yüks\u0259k genetik z\u0259kaya malik insanlarda a\u011f madd\u0259nin bir neç\u0259 sah\u0259sind\u0259 neyron prosesl\u0259rinin s\u0131xl\u0131\u011f\u0131 daha yüks\u0259k idi. Üst\u0259lik, zehni qabiliyy\u0259tl\u0259rd\u0259ki f\u0259rql\u0259ri izah ed\u0259n miyelinl\u0259\u015fm\u0259 d\u0259r\u0259c\u0259si v\u0259 ya lif oriyentasiyas\u0131 deyil, m\u0259hz bu xüsusiyy\u0259t idi.<\/p>\n

\u018fn vacib \u0259laq\u0259l\u0259r dil, yadda\u015f v\u0259 idrak n\u0259zar\u0259tind\u0259n m\u0259sul olan sah\u0259l\u0259r – xüsus\u0259n d\u0259 üstün uzununa v\u0259 aç\u0131lmam\u0131\u015f fasikulyarlar, el\u0259c\u0259 d\u0259 sinqulyat girus aras\u0131nda idi.
\n"Görürük ki, genetik f\u0259rql\u0259r beynin m\u0259lumat mübadil\u0259si apard\u0131\u011f\u0131 neyron yollar\u0131n\u0131n n\u0259 q\u0259d\u0259r s\u0131x t\u0259\u015fkil olunmas\u0131na t\u0259sir göst\u0259r\u0259 bil\u0259r. Bu s\u0131xl\u0131q is\u0259 öz növb\u0259sind\u0259 ümumi z\u0259ka il\u0259 \u0259laq\u0259l\u0259ndirilir", – dey\u0259 Stammen izah etdi.<\/p>\n

Ba\u015fqa sözl\u0259, h\u0259lledici rol oynaya bil\u0259c\u0259k siqnal ötürülm\u0259sinin sür\u0259ti deyil, beyin bölg\u0259l\u0259ri aras\u0131ndak\u0131 "naqill\u0259rin" say\u0131d\u0131r. Onlar n\u0259 q\u0259d\u0259r çox olarsa, informasiya emal\u0131 üçün mümkün yollar bir o q\u0259d\u0259r çox olar v\u0259 dü\u015fünc\u0259 daha çevik olar.<\/p>\n

Gözl\u0259nilm\u0259z tap\u0131nt\u0131lar<\/strong>
\nAliml\u0259r sinir lifl\u0259rini izolyasiya ed\u0259n v\u0259 impuls ötürülm\u0259sini sür\u0259tl\u0259ndir\u0259n bir madd\u0259 olan miyelinin \u0259h\u0259miyy\u0259tli rol oynayaca\u011f\u0131n\u0131 gözl\u0259yirdil\u0259r. Lakin nümun\u0259 götürülmü\u015f g\u0259ncl\u0259rd\u0259 miyelinl\u0259\u015fm\u0259 d\u0259r\u0259c\u0259si il\u0259 z\u0259ka aras\u0131nda heç bir \u0259laq\u0259 tap\u0131lmad\u0131.<\/p>\n

"Bu n\u0259tic\u0259 bizi t\u0259\u0259ccübl\u0259ndirdi… mielinl\u0259\u015fm\u0259d\u0259ki f\u0259rql\u0259rin idrak f\u0259rql\u0259rinin \u0259sas\u0131nda dayand\u0131\u011f\u0131 dü\u015fünülürdü. Lakin m\u0259lum oldu ki, \u0259sas amil siqnal sür\u0259ti deyil, neyron \u0259laq\u0259l\u0259rinin say\u0131 ola bil\u0259r", – dey\u0259 Stammen etiraf etdi.<\/p>\n

Genetika, Beyin v\u0259 Davran\u0131\u015f<\/strong>
\nT\u0259dqiqatç\u0131lar qeyd edirl\u0259r ki, a\u015fkar edil\u0259n t\u0259sir kiçik olsa da, statistik c\u0259h\u0259td\u0259n \u0259h\u0259miyy\u0259tlidir. Bu, genetik f\u0259rql\u0259rin beyin arxitekturas\u0131na v\u0259 n\u0259tic\u0259d\u0259 zehni qabiliyy\u0259tl\u0259r\u0259 nec\u0259 t\u0259sir etdiyini daha yax\u015f\u0131 ba\u015fa dü\u015fm\u0259yimiz\u0259 köm\u0259k edir.
\n\u018fh\u0259miyy\u0259tli olan odur ki, bu, "z\u0259ka geni" deyil, h\u0259r biri kiçik bir töhf\u0259 ver\u0259n çoxsayl\u0131 genetik variantlard\u0131r. Birlikd\u0259, onlar idrak funksiyalar\u0131n\u0131n inki\u015faf etdiyi bioloji t\u0259m\u0259li t\u0259\u015fkil edirl\u0259r.
\n"M\u0259lumatlar\u0131m\u0131z göst\u0259rir ki, a\u011f madd\u0259 neyrit s\u0131xl\u0131\u011f\u0131 genl\u0259r v\u0259 z\u0259ka aras\u0131ndak\u0131 \u0259laq\u0259ni qism\u0259n izah edir", – dey\u0259 Stammen qeyd edir.
\nAliml\u0259r ümid edirl\u0259r ki, g\u0259l\u0259c\u0259kd\u0259 genl\u0259ri, beyni v\u0259 davran\u0131\u015f\u0131 vahid bir sistem\u0259 birl\u0259\u015fdir\u0259n daha d\u0259qiq modell\u0259r qura bil\u0259c\u0259kl\u0259r.<\/p>\n","protected":false},"excerpt":{"rendered":"

T\u0259dqiqatç\u0131lar zehni qabiliyy\u0259tl\u0259rin dig\u0259r beyin strukturlar\u0131 il\u0259 \u0259laq\u0259li olaca\u011f\u0131n\u0131 f\u0259rz ets\u0259l\u0259r d\u0259, n\u0259tic\u0259l\u0259r onlar\u0131 t\u0259\u0259ccübl\u0259ndirib. Ucnoqta.az x\u0259b\u0259r verir ki, "Cerebral Cortex" jurnal\u0131, Leibniz \u0130\u015f Mühiti v\u0259 \u0130nsan Faktorlar\u0131 T\u0259dqiqat M\u0259rk\u0259zinin…<\/p>\n","protected":false},"author":1,"featured_media":251278,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[101],"tags":[],"class_list":["post-233654","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cemiyyet"],"_links":{"self":[{"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/posts\/233654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=233654"}],"version-history":[{"count":0,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/posts\/233654\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/media\/251278"}],"wp:attachment":[{"href":"https:\/\/ucnoqta.az\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=233654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=233654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=233654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}