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Érzelmek hatasa a valaszgatlasra – Életkori sajatossagok elektrofiziologiai adatok tukreben


, : Érzelmek hatasa a valaszgatlasra – Életkori sajatossagok elektrofiziologiai adatok tukreben.

A g tl si mechanizmusok alapvet?en fontosak a pszichofiziol giai folyamatok minden szintj n, gy a kognit v funkci kat tekintve is. ltal nosan elfogadott, hogy ennek hat konys ga cs kken az letkorral, nem ismert azonban, hogy rzelmi folyamatok mik nt befoly solj k ezt az sszef gg st. Vizsg latunkban arra kerest nk v laszt, hogy tal lhat -e kapcsolat a g tl si funkci k, az letkor s az rzelmi folyamatok szab lyoz sa k z tt. Fiatal s id?s szem lyeknek negat v, pozit v vagy semleges valenci j szavakat mutattunk be, melyekre az instrukci szerint motoros v lasszal kellett (GO helyzet), vagy ppen nem volt szabad (NOGO helyzet) reag lniuk. A viselked ses mutat kon t l a sz ingerekkel kiv ltott potenci lokat, illetve az azoknak megfelel? EEG-szakaszt elemezt k hagyom nyos m dszerekkel, valamint a nemline ris-line ris szinkroniz ci kvantifik l s ra alkalmas szinkroniz ci s val sz n?s g sz m t s val a delta s theta frekvencias vokban. Meghat roztuk e szakasz n. h l zatjellemz?it is. Meg llap tottuk, hogy a GO v laszhelyzet id?sekben is hat konyan provok l szinkroniz ci s folyamatokat ezekben a frekvencias vokban, melyek nem els?sorban az ingerek valenci j val hozhat k sszef gg sbe. A legnagyobb amplit d j N2 komponenst a fiatalokban a negat v rzelmi t lt s? inger v ltotta ki a NOGO helyzetben. Ez arra utal, hogy a v laszg tl sban fontos folyamatok az averz v ingerekre aktiv l dnak legnagyobb m rt kben, mely hat s fiatalokban kifejezettebb. A kiv lt ingert?l f ggetlen l magasabb szinkroniz ci t tapasztaltunk afiatal korcsoportban, mely magyar zhat a fiatalokban hat konyabb interneuronalis kapcsolatokkal.

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