gwero
University of Lethbridge, Lethbridge, AB, Canada.
Kudalirika
Vuto lakutchova juga (PG) limawoneka ngati chizolowezi chofananira ndi kugwiritsa ntchito mankhwala osokoneza bongo, m'malo mothana ndi vuto lotha kuwongolera, komabe makina osokoneza bongo sanadziwikebe. Kufufuza kwa Neuroimaging kwathandizira lingaliro la "kuchepa kwa mphotho" kwa PG pofotokoza yankho lolakwika panjuga, makamaka mu striatum. Apa tikulongosola umboni wamagetsi wamagetsi okhudzana ndi kutchova juga pamavuto omwe amatchova njuga. Kafukufuku wam'mbuyomu mwa omwe adatenga nawo gawo pazaumoyo akuwonetsa kuti mayankho omwe amapezeka pantchito yotchova juga amayambitsa mayankho ophatikizika amtundu wa Feedback-Feedback-Related Mediofrontal Negativity (FRN), P300 yokhudzana ndi mayankho, komanso kuchuluka kwa mphamvu ya theta-band (4-8 Hz). Tinayesa lingaliro loti kusanja mayankho osazolowereka kumadziwika muzochita zamaubongo omwe ali ndi vuto lotchova njuga pomwe amatchova juga. EEG idalembedwa kuchokera kwa omwe sanali otchova juga komanso omwe amadziwika kuti ndi otchova juga pomwe amachita nawo kompyuta ya Iowa Gask Task. Ndemanga zokhudzana ndi valence (win vs. loss) zidadzetsa FRN m'magulu onse awiriwa, koma mwa otchova juga izi zidatsogoleredwa ndi kusiyana koyamba pakati pa latency hypersensitive fronto-central pakuyankha. FRN yoyambayi idalumikizidwa ndi kuuma njuga ndipo idasinthidwa kukhala kotsogola kwamankhwala ogwiritsa ntchito kulingalira kochokera kumagwero (CLARA). Otchova juga nawonso amasiyana mayankho pachiwopsezo, kuwonetsa gawo lopanda P300 ndi mphamvu zochepa za EEG mgulu la theta. Apa tikuti kutanthauzira koperewera koperewera kwamaphunziro kumafunikira pokhudzana ndi PG. Pazinthu zina zamaubongo, otchova juga amatha kuwonetsa kukhudzika kuti apindule ndi mayankho okhudzana ndi chidwi cha mankhwala osokoneza bongo kuposa kuchepa kwa mphotho. Zotsatira zathu zimanenanso kuti ubongo wabwinobwino umagwiritsa ntchito makina osakanikirana pokonzekera mayankho kuchokera kuzinthu zokhudzana ndi kupanga zisankho zowopsa.
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