![Mesolimbic nqi zog system yog dab tsi? Mesolimbic nqi zog system yog dab tsi?](https://i.answers-medical.com/preview/medical-health/13838671-what-is-the-mesolimbic-reward-system-j.webp)
Video: Mesolimbic nqi zog system yog dab tsi?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov mesolimbic txoj kev, qee zaum hu ua lub nqi zog txoj hauv kev, yog txoj hauv kev dopaminergic hauv lub hlwb. Txoj hauv kev txuas mus rau thaj tsam ntawm qhov chaw me me nyob hauv nruab nrab lub paj hlwb, mus rau lub ventral striatum ntawm basal ganglia hauv lub forebrain. Lub ventral striatum suav nrog nucleus accumbens thiab cov tubercle olfactory.
Ua qhov no hauv kev txiav txim siab, qhov khoom plig tau ua dab tsi?
Lub sij hawm nqi zog hais txog pab pawg ntawm cov qauv uas tau qhib los ntawm nqi zog lossis txhawb kev txhawb zog (piv txwv li siv yeeb tshuaj). Lwm qhov loj dopamine txoj kev , mesocortical txoj kev txoj kev , taug kev los ntawm VTA mus rau lub paj hlwb thiab yog kuj suav tias yog ib feem ntawm nqi zog.
Kuj Paub, cov tshuaj twg ua rau txoj hauv kev txiaj ntsig? Ib yam li yeeb dawb ( morphine ) thiab yeeb dawb qhib txoj hauv kev kom tau txais txiaj ntsig hauv VTA thiab nucleus accumbens, lwm yam tshuaj xws li nicotine thiab cawv qhib txoj hauv kev no ib yam, txawm hais tias qee zaum tsis ncaj qha (taw tes rau globus pallidus, thaj chaw qhib los ntawm cawv uas txuas rau txoj hauv kev khoom plig).
Hauv kev hwm rau qhov no, dab tsi ua rau muaj txiaj ntsig zoo hauv lub hlwb?
Cov cheeb tsam ntawm lub hlwb suav nrog " nqi zog "Siv neurotransmitter dopamine los sib tham. Dopamine-tsim cov neurons hauv thaj tsam ventral tegmental cheeb tsam (VTA) sib tham nrog cov neurons hauv cov nucleus accumbens txhawm rau ntsuas khoom plig thiab txhawb peb kom tau txais lawv.
Lub luag haujlwm ntawm prefrontal cortex hauv txoj kev khoom plig yog dab tsi?
Ib txoj kev tseem ceeb kom nkag siab txog kev cuam tshuam ntawm cov tshuaj hauv lub hlwb hu ua txoj kev muab khoom plig . Thaum qhib los ntawm a nqi zog kev txhawb zog (piv txwv li, zaub mov, dej, pw ua ke), cov ntaub ntawv taug kev los ntawm VTA mus rau lub nucleus accumbens thiab tom qab ntawd nce mus rau prefrontal cortex.
Pom zoo:
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Txoj kev mesolimbic, qee zaum hu ua txoj hauv kev khoom plig, yog txoj hauv kev dopaminergic hauv lub hlwb. Txoj kev txuas lub ventral tegmental cheeb tsam nyob rau hauv lub midbrain, mus rau lub ventral striatum ntawm lub basal ganglia nyob rau hauv lub forebrain. Lub ventral striatum suav nrog nucleus accumbens thiab cov tubercle olfactory
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