MapangidweSayansi

A mtundu watsopano yokumbukira malodza?

Major asayansi atulukira yothandizana chiphunzitso kutsogolera kukumbukira, pambuyo ofufuza anapeza kuti ubongo akhoza "mwakachetechete" kusunga malangizo, kupanga kukumbukira ghostly amene alibe chikhalidwe ubongo.

Awiri mitundu yokumbukira

Ambiri anazindikira kuti pali mitundu iwiri ya kukumbukira. The woyamba amadziwika kuti ntchito kukumbukira. Iwo adamulowetsa pamene ife pokonza mfundo atsopano, izo mu malingaliro anu ndi cholinga pa icho, tisaiwale. Zimenezi makamaka olamulidwa ndi hippocampus ndi m'mene manyuroni ntchito mosalekeza. Tikhalabe maganizo athu pa chakuti kuyesera kumbukirani.

Komabe, kukumbukira nthawi yaitali zasungidwa mu zigawo yokhudza kotekisi ubongo ndi encrypted mu njira zina ubongo, wotchedwa engrams. Iwo timagwira ntchito kokha pamene ife kuchotsa kukumbukira zimenezi.

Mtundu wachitatu yokumbukira

Mu phunziro la sayansi m'magazini yotchedwa Science, asayansi anenapo chikumbukiro mtundu lachitatu wapezeka, yonenedwa "kutsogoza la yaitali kukumbukira." Chachikulu kusiyana pakati pa cholinga ndi ziwiri zikuluzikulu wapezeka kale, ndi kuti deta zokhudzana ndi mtundu watsopano, atha kusungidwa paliponse mu ubongo ndi angatchedwe akamavutika.

zinachitikira chidwi

Anthuwo anagwiritsa ntchito kulingalira maginito kumveka kuwayang'anira ubongo wa ophunzira. nkhani ankaona mndandanda wa mawu, anthu ndi mitundu. Ndiyamika Kujambula aligorivimu ofufuza anali kudziwa dongosolo enieni pantchito kotekisi ubongo, amagwirizana ndi wina aliyense wa zolimbikitsa izi.

Ndiye nkhani amaonetsa awiriawiri zinthu zimene imodzi chimayambitsa mitundu iwiri yosiyana ya ntchito ubongo. Pamene ophunzira anafunsidwa kuti tikambirane mbali imodzi yokha ya zinthu izi ndi kunyalanyaza ena, mmodzi wa dongosolo izi osaonekanso, zimene zikusonyeza kuti chachotsedwa kukumbukira ntchito.

Asayansi akukhulupirira kuti kukumbukira ntchito pamafunika mosalekeza lizigwira manyuroni. Komabe, ngakhale, mayeso akadali kusungidwa mu kukumbukira pa nkhani imeneyi kuiwalika. mayankho anthu a mafunso okhudza zimene aona, amasonyeza kuti zifaniziro za zinthu zikuchitikabe gawo ena a ubongo, pamene palibe manyuroni musati zikusonyeza mfundo imeneyi.

"Anthu nthawizonse ndinkaganiza kuti manyuroni kuti nthawi zonse ntchito kuti tithe kusunga chinachake mu malingaliro, - Iye anafotokoza kuphunzira Co-wolemba Bradley Postl. - Koma taona mmene anthu pafupifupi sindikukumbukira chilichonse, kuwonetsa ntchito iliyonse yokhudzana ndi manyuroni ndi ".

Limagwirira a mtundu wachitatu wa pamtima asanamvetsetse

Olemba kafukufuku anapeza kuti ndi zolimbikitsa ubongo ndi nyemba maginito kuti n'zogwirizana ndi zinthu zimenezi osaonekanso, adakhoza kutsitsimutsa dongosolo ntchito zomwe zinachitika pa nthawi imene ophunzira poyamba ukukhudza awo pa nkhani zimenezi. Chimawapangitsa ndikuganiza zolimbikitsa izi.

Ngakhale ofufuza sangathe kufotokoza mmene njira chikuchitika mu hemispheres oziziritsa, iwo akuganiza kuti kukumbukira malodza zochokera "yogwira-quiescent" limagwirira mwa mfundo zake ndi zolowana opulumutsidwa mwa synapses pakati manyuroni, ngakhale pamene manyuroni izi sankafuna ntchito iliyonse .

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