2022
Problem drinking and the interaction of reward, negative emotion, and cognitive control circuits during cue-elicited craving
Le T, Chen Y, Chaudhary S, Li C. Problem drinking and the interaction of reward, negative emotion, and cognitive control circuits during cue-elicited craving. Addiction Neuroscience 2022, 1: 100004. DOI: 10.1016/j.addicn.2021.100004.Peer-Reviewed Original ResearchCognitive control circuitsPositive alcohol expectanciesNegative emotionsAlcohol use severityCognitive controlMotivational processesCue exposureAlcohol expectanciesUse severityAlcohol useAlcohol cue exposureCue-elicited cravingSocial isolationIndividual differencesReward responsesNegative reinforcementAdult drinkersEmotionsPath modelProblem drinkingActivity differencesRewardDrinking behaviorCravingControl process
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 distress
2019
The interrelationship of body mass index with gray matter volume and resting-state functional connectivity of the hypothalamus
Le TM, Liao DL, Ide J, Zhang S, Zhornitsky S, Wang W, Li CR. The interrelationship of body mass index with gray matter volume and resting-state functional connectivity of the hypothalamus. International Journal Of Obesity 2019, 44: 1097-1107. PMID: 31796869, PMCID: PMC8643195, DOI: 10.1038/s41366-019-0496-8.Peer-Reviewed Original ResearchConceptsResting-state functional connectivityWhole-brain multiple regressionGray matter volumeInsula connectivityBody mass indexFunctional connectivitySeed-based resting-state functional connectivityMatter volumeSuperior parietal lobuleVoxel-based morphometry analysisMultiple regressionConclusionsThe current findingsBody weightCognitive controlMultiple brain circuitsBrain mechanismsIndividual differencesInhibitory controlParietal lobuleHypothalamic connectivityMass indexMediation analysisBrain circuitsHigher body mass indexCurrent findingsInterdependent 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 index