2024
The Neural Correlates of Individual Differences in Reinforcement Learning during Pain Avoidance and Reward Seeking
Le T, Oba T, Couch L, McInerney L, Li C. The Neural Correlates of Individual Differences in Reinforcement Learning during Pain Avoidance and Reward Seeking. ENeuro 2024, 11: eneuro.0437-23.2024. PMID: 38365840, PMCID: PMC10901196, DOI: 10.1523/eneuro.0437-23.2024.Peer-Reviewed Original ResearchConceptsSuperior frontal gyrusReward-seekingCingulate cortexNeural correlatesPain avoidanceAction biasDorsal anterior cingulate cortexLeft posterior cingulate cortexAction-outcome associationsGo/No-Go taskAnterior cingulate cortexPosterior cingulate cortexImpact of outcomesHigher learning rateReward trialsFrontal gyrusAvoidance learningMidcingulate cortexNeural substratesAssociative learningAction tendenciesPre-SMAAssociated with activationPrecentral gyrusPostcentral gyrus
2020
Pain and reward circuits antagonistically modulate alcohol expectancy to regulate drinking
Le TM, Zhornitsky S, Zhang S, Li CR. Pain and reward circuits antagonistically modulate alcohol expectancy to regulate drinking. Translational Psychiatry 2020, 10: 220. PMID: 32636394, PMCID: PMC7341762, DOI: 10.1038/s41398-020-00909-z.Peer-Reviewed Original ResearchConceptsMedial orbitofrontal cortexPath modelCue exposure taskWhole-brain regressionAlcohol cue exposurePAG connectivityPotential aversive effectsExposure tasksCue exposureAlcohol expectanciesSocial pleasureDrinking severityOrbitofrontal cortexFMRI dataConnectivity strengthPrecentral gyrusOccipital cortexPSP scoresAlcohol useAversive effectsExcessive drinkingNegative associationExpectancyPleasureCortex
2019
Neural correlates of reward-directed action and inhibition of action
Le TM, Zhang S, Zhornitsky S, Wang W, Li CR. Neural correlates of reward-directed action and inhibition of action. Cortex 2019, 123: 42-56. PMID: 31747630, DOI: 10.1016/j.cortex.2019.10.007.Peer-Reviewed Original ResearchConceptsRostral anterior cingulate cortexInhibition of actionGo trialsReward-directed actionGoal-directed actionsInferior parietal cortexMiddle frontal cortexAnterior cingulate cortexMain effectSignificant main effectVisual attentionNeural correlatesGo taskResponse executionReward valuationNeural processesBrain activationHealthy human adultsNeural responsesReward magnitudeConjunction analysisLarge rewardDorsal ACCCingulate cortexParietal cortexInterdependent Neural Correlates of Reward and Punishment Sensitivity During Rewarded Action and Inhibition of Action
Le TM, Wang W, Zhornitsky S, Dhingra I, Zhang S, Li CR. Interdependent Neural Correlates of Reward and Punishment Sensitivity During Rewarded Action and Inhibition of Action. Cerebral Cortex 2019, 30: 1662-1676. PMID: 31667492, PMCID: PMC7132903, DOI: 10.1093/cercor/bhz194.Peer-Reviewed Original ResearchConceptsInhibition of actionNeural correlatesReinforcement Sensitivity TheoryRostral anterior cingulate cortexMiddle frontal gyrusAnterior cingulate cortexPunishment sensitivityReinforcement sensitivityMFG activityIndividual differencesNeural processesReward QuestionnaireTrait sensitivityBrain correlatesNeural substratesFrontal gyrusGo responseRewarded actionsSensitivity theoryIncorrect responsesMediation analysisCingulate cortexRegional activationBehavioral approachAvoidance behaviorReward sensitivity and electrodermal responses to actions and outcomes in a go/no-go task
Le TM, Wang W, Zhornitsky S, Dhingra I, Zhang S, Li CR. Reward sensitivity and electrodermal responses to actions and outcomes in a go/no-go task. PLOS ONE 2019, 14: e0219147. PMID: 31344045, PMCID: PMC6657849, DOI: 10.1371/journal.pone.0219147.Peer-Reviewed Original ResearchConceptsSkin conductance responsesGreater skin conductance responsesReward sensitivityIndividual differencesPhysiological arousalInhibition of actionGo taskAppetitive stimuliTrait sensitivityGo/Go responseConductance responsesSalient eventsBehavioral contingenciesIncorrect responsesElectrodermal responsesPsychophysiological researchAvoidance behaviorArousalSex differencesSuccess rateBehavioral factorsResponse windowSuch outcomesGeneral indexPosterior Cingulate Cortical Response to Active Avoidance Mediates the Relationship between Punishment Sensitivity and Problem Drinking
Le TM, Zhornitsky S, Wang W, Ide J, Zhang S, Li CR. Posterior Cingulate Cortical Response to Active Avoidance Mediates the Relationship between Punishment Sensitivity and Problem Drinking. Journal Of Neuroscience 2019, 39: 6354-6364. PMID: 31189577, PMCID: PMC6687909, DOI: 10.1523/jneurosci.0508-19.2019.Peer-Reviewed Original ResearchConceptsPosterior cingulate cortexMaladaptive coping mechanismPunishment sensitivityNeural substratesBehavioral avoidanceResponse inhibitionNegative affectAlcohol usePosterior cingulate cortex activationCoping mechanismsProblem drinkingAlcohol misusePCC responseSensation-seeking traitsAvoidance strategiesAlcohol Use Disorders Identification TestHazardous alcohol useAvoidance tendenciesAlcohol Use Disorders Identification Test (AUDIT) scoresGo taskNeural processesReward QuestionnaireAction inhibitionBrain activationCerebral correlates