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
2021
Distinct patterns of prefrontal cortical disengagement during inhibitory control in addiction: A meta-analysis based on population characteristics
Le TM, Potvin S, Zhornitsky S, Li CR. Distinct patterns of prefrontal cortical disengagement during inhibitory control in addiction: A meta-analysis based on population characteristics. Neuroscience & Biobehavioral Reviews 2021, 127: 255-269. PMID: 33933507, PMCID: PMC8411123, DOI: 10.1016/j.neubiorev.2021.04.028.Peer-Reviewed Original ResearchConceptsDorsal anterior cingulate cortexMiddle frontal gyrusHealthy controlsLeft dorsal anterior cingulate cortexMFG activationSubstance use statusPrefrontal cortical dysfunctionAnterior cingulate cortexPrefrontal cortical regionsResponse inhibitionPopulation characteristicsImpaired task performanceInhibitory control deficitsCortical dysfunctionCerebral functionBenefits of abstinenceNicotine usersCortical activationCingulate cortexCortical regionsFrontal gyrusBrain activationDrug addictionUse statusControl deficits
2020
Age-Related Changes in the Neural Processes of Reward-Directed Action and Inhibition of Action
Le TM, Chao H, Levy I, Li CR. Age-Related Changes in the Neural Processes of Reward-Directed Action and Inhibition of Action. Frontiers In Psychology 2020, 11: 1121. PMID: 32587547, PMCID: PMC7298110, DOI: 10.3389/fpsyg.2020.01121.Peer-Reviewed Original ResearchInhibition of actionFunctional brain changesRostral anterior cingulate cortexWhole-brain multiple regressionAnterior cingulate cortexMiddle frontal gyrusAge-related changesFunctional magnetic resonanceBrain changesPostcentral gyrusCingulate cortexAnterior insulaFrontal gyrusTrialsProlonged response timeSuccess trialsGo trialsNeural activationReward-directed actionNegative modulationAgeAction inhibitionBrain substratesAge-related slowingReduced activity
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 behavior