Reward-Related Learning via Multiple Memory Systems

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1、Reward-RelatedLearningviaMultipleMemorySystemsMauricioR.DelgadoandKathrynC.DickersonTheapplicationofaneuroeconomicapproachtothestudyofreward-relatedprocesseshasprovidedsignificantinsightsinourunderstand-ingofhumanlearninganddecisionmaking.Muchofthisresearchhasfocusedprimarilyonthecontributio

2、nsofthecorticostriatalcircuitry,involvedintrial-and-errorrewardlearning.Asaresult,lessconsiderationhasbeenallottedtothepotentialinfluenceofdifferentneuralmechanismssuchasthehippocampusortomorecommonwaysinhumansocietyinwhichinformationisacquiredandutilizedtoreachadecision,suchasthroughexplici

3、tinstructionratherthantrial-and-errorlearning.Thisreviewexaminestheindividualcontributionsofmultiplelearningandmemoryneuralsystemsandtheirinteractionsduringhumandecisionmakinginbothnormalandneuropsychiatricpopulations.Specifically,theanatomicalandfunctionalconnectivityacrossmultiplememorysys

4、temsarehighlightedtosuggestthatprobingtheroleofthehippocampusanditsinteractionswiththecorticostriatalcircuitryviatheapplicationofmodel-basedneuroeconomicapproachesmayprovidenovelinsightsintoneuropsychiatricpopulationsthatsufferfromdamagetooneofthesestructuresandasaconsequencehavedeficitsinle

5、arning,memory,ordecisionmaking.icsresearchmaybeexpandedoninthecontextofmultiplememoryKeyWords:Dopamine,hippocampus,memorysystems,predic-systemsandsynthesizedtohelpinformneuropsychiatricdisorderstionerror,reinforcementlearning,striatumthatinvolvecompromisedBGandMTLstructures.hereisanemerging

6、literatureinvestigatingtheneuralbasisTofdecisionmakingthatencompassesthefieldofneuroeco-MultipleMemorySystemsnomics(1).Acrossavarietyoftechniquesandinterdisciplin-Thevaluesweassigntodifferentstimuliandpriorexperiencesaryefforts,neuroeconomicsresearchhasemphasizedtwokeytendtoinfluencehowwemake

7、decisions.Forinstance,anindivid-points:1)choicebehaviorisinfluencedbylearningsystemsin-ualmaychoosetoshopatthelocalfamily-ownedgrocerystorevolvedintrial-and-errorlearning(suchasinstrumentalcondition-versusanewlargergrocerystoreintownbecauseofpriorpositive