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epizoduri informaciis kodirebis dros, xolo<br />

marjvena prefrontalur korteqsSi tvinis gaZlierebul<br />

aqtivobas adgili hqonda epizoduri<br />

informaciis aRdgenis dros. amrigad, anatomiuri<br />

sxvaobac gamovlinda im konceptualuri sxvaobebis<br />

garda, romelic kogniturma fsiqologebma<br />

aRmoaCines.<br />

funqcionaluri magnituri rezonansiT (fMRI)<br />

warmoebulma gamokvlevebmac gamoavlina mexsierebis<br />

operaciebis tvinSi ganawilebis mniSvnelovani<br />

detalebi (Gabrieli, 1996, 1997).<br />

saidan<br />

viciT<br />

tvini da kodirebis operaciebi<br />

magnituri rezonansiT gamokvlevis<br />

dros cdis pirebs mexsierebis eqsperimentebi<br />

utardebodaT. maT proeqtoriT<br />

ekranze miewodebodaT sityvebi, romlebsac<br />

xedavdnen Tavs zemoT sarkeSi da evalebodaT,<br />

TiToeuli sityvis Sesaxeb ori<br />

tipis msjeloba ewarmoebinaT: _ semantikuri:<br />

_ „es sityva, (magaliTad, „skami~,<br />

an „siyvaruli~) abstaraqtulia, Tu konkretuli?~<br />

an perceptuli _ „es sityva,<br />

(magaliTad, „ndoba~ an „wigni~) fanqriT<br />

aris dawerili, Tu melniT?~ funqcionaluri<br />

magnituri rezonansiT gamokvlevam<br />

gviCvena, rom marcxena prefrontaluri<br />

qerqis midamoSi (frontaluri qerqis<br />

aramotoruli ubani) semantikuri kodirebis<br />

ufro maRal aqtivacias aqvs adgili,<br />

vidre perceptuli kodirebis SemTxvevaSi<br />

(Gabrieli et al., 1996).<br />

mecnierebi varaudoben, rom qerqis am ubnis<br />

aqtivacias semantikuri kodireba iwvevs marcxena<br />

naxevarsferos metyvelebasTan kavSiris gamo (ix.<br />

Tavi 3).<br />

ramdenime axali gamokvleva tvinis specifikuri<br />

regionebis Seswavlas mieZRvna, romelTa<br />

aqtivacia axali mexsierebis Camoyalibebis dros<br />

xdeba (Brewe et al., 1998; Wagner et al.,1998). am<br />

gamokvlevebSi cdis pirebs martivad unda<br />

SeefasebinaT sityvebi an siuJetebi (scenebi).<br />

(magaliTad, abstraqtulia Tu konkretulia esa<br />

Tu is sityva). am amocanis Sesrulebis dros<br />

cdis pirebs skanirebas ukeTebdnen magnituri<br />

rezonansiT, raTa gamoevlinaT tvinis aqtivobis<br />

ubnebi. skanirebam gasaocari ram uCvena: -<br />

prefrontaluri qerqis da parahipokampuli<br />

(hipokampTan axlos mdebare) qerqis is ubnebi<br />

iyo ukeT ganaTebuli, romelTa Sesabamisi<br />

sityvebis Tu siuJetebis Sefasebac ukeT SeZles.<br />

am axal gamokvlevebSi gamoCnda mexsierebis<br />

SemuSavebis pirveli periodis biologiuri<br />

safuZvlebi.<br />

skanirebis Sedegebi gviCvenebs, rom sxvadasxva<br />

disciplinis mecnierebma erTad unda imuSaon,<br />

raTa srulad Cawvdnen mexsierebis procesebis<br />

kanonzomierebebs. fsiqologebi adamianis<br />

mexsierebis Sesaxeb monacemebs moipoveben, rac<br />

Semdgom neirofsiqologebisTvis masalaa tvinis<br />

Sesabamisi struqturebis aRmosaCenad. amave dros,<br />

fiziologebis monacemebi koreqcias ukeTeben<br />

fsiqologiur Teoriebs informaciis kodirebis,<br />

Senaxvisa da aRdgenis Sesaxeb. am sferoSi<br />

momuSave mecnierebi saerTo ZalisxmeviT did<br />

warmatebebs uzrunvelyofen mexsierebis procesebis<br />

kvlevaSi.<br />

Sejameba<br />

karl leSlim, romelic pirveli iyo, vinc<br />

engramebis Zieba daiwyo, aRmoaCina, rom mexsiereba<br />

mTel tvins moicavs. tvinis mravali struqturaa<br />

CarTuli swavlisa da mexsierebis procesebSi.<br />

amneziis mqone pacientebze gamokvlevebma<br />

daamtkica, rom implicituri da eqsplicituri<br />

procesebis ganxorcielebaSi gansxvavebuli<br />

struqturebi monawileoben. tvinis skanirebis<br />

teqnika SesaZleblobas iZleva ganisazRvros<br />

janmrTel adamianTan mexsierebis procesTa<br />

biologiuri safuZvlebi.<br />

mexsierebis biologiuri aspeqtebi<br />

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