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
2022
Positive alcohol expectancy and resting-state functional connectivity of the insula in problem drinking
Le TM, Malone T, Li CR. Positive alcohol expectancy and resting-state functional connectivity of the insula in problem drinking. Drug And Alcohol Dependence 2022, 231: 109248. PMID: 34998254, PMCID: PMC8881788, DOI: 10.1016/j.drugalcdep.2021.109248.Peer-Reviewed Original ResearchConceptsResting-state functional connectivityPositive alcohol expectanciesAlcohol expectanciesInsular connectivityFunctional connectivityWhole-brain multiple regressionPath analysisNegative emotion processingVentromedial prefrontal cortexSuperior parietal lobuleSuperior frontal gyrusCognitive controlAlcohol stimuliEmotion processingPrefrontal structuresStimulus saliencyFrontal gyrusDrinking motivationsMotivational circuitsInsula connectivityParietal lobuleAdult drinkersPrefrontal cortexInsulaDrinking behavior
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
The Neural Processes Interlinking Social Isolation, Social Support, and Problem Alcohol Use
Le TM, Wang W, Zhornitsky S, Dhingra I, Chen Y, Zhang S, Li CR. The Neural Processes Interlinking Social Isolation, Social Support, and Problem Alcohol Use. The International Journal Of Neuropsychopharmacology 2020, 24: 333-343. PMID: 33211853, PMCID: PMC8059487, DOI: 10.1093/ijnp/pyaa086.Peer-Reviewed Original ResearchConceptsSocial supportVentral striatumVS connectivityAlcohol misuseSocial isolationWhole-brain multiple regressionProblem drinkingProblem drinkersAlcohol useResting-state functional magnetic resonanceFunctional magnetic resonanceMiddle frontal gyrusPotential protective factorsProblem alcohol usePrefrontal cortical modulationCognitive controlIndividual differencesNeural processesNeural substratesFrontal gyrusPrefrontal connectivityElevated stress responseFunctional connectivityPath analysisNeural connectivityPerceived burdensomeness and neural responses to ostracism in the Cyberball task
Le TM, Zhornitsky S, Wang W, Li CR. Perceived burdensomeness and neural responses to ostracism in the Cyberball task. Journal Of Psychiatric Research 2020, 130: 1-8. PMID: 32763557, PMCID: PMC7554229, DOI: 10.1016/j.jpsychires.2020.06.015.Peer-Reviewed Original ResearchConceptsCyberball taskInterpersonal needsIndividual differencesProsocial behaviorNeural responsesSocial interactionStronger neural responsesGreater brain activationDorsomedial prefrontal cortexMiddle frontal gyrusSocial exclusionResponse timeBrain activationBrain correlatesBehavioral performanceFMRI studyAnterior insulaFrontal gyrusSocial painBehavioral avoidanceAffective responsesBehavioral measuresNeural activationPrefrontal cortexEmotional distressAge-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
Problem drinking alters gray matter volume and food cue responses of the lateral orbitofrontal cortex
Le TM, Zhornitsky S, Wang W, Zhang S, Li C. Problem drinking alters gray matter volume and food cue responses of the lateral orbitofrontal cortex. Addiction Biology 2019, 26: e12857. PMID: 31746092, PMCID: PMC8627684, DOI: 10.1111/adb.12857.Peer-Reviewed Original ResearchConceptsLateral orbitofrontal cortexAlcohol Use Disorders Identification TestGray matter volumeEffect of ProblemOrbitofrontal cortexWhole-brain multiple regressionLeft middle frontal gyrusAlcohol misuseFood cue responsesFunctional magnetic resonance imaging (fMRI) dataVisual food cuesAUDIT scoresMatter volumeMiddle frontal gyrusAffective processesNonfood cuesFood cuesNonfood imagesBrain substratesDisorders Identification TestFrontal gyrusNeural mechanismsFood stimuliCue responsesFood imagesInterdependent 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