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 processPositive 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
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 connectivity
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 findings
2017
Alterations in visual cortical activation and connectivity with prefrontal cortex during working memory updating in major depressive disorder
Le TM, Borghi JA, Kujawa AJ, Klein DN, Leung HC. Alterations in visual cortical activation and connectivity with prefrontal cortex during working memory updating in major depressive disorder. NeuroImage Clinical 2017, 14: 43-53. PMID: 28138426, PMCID: PMC5257188, DOI: 10.1016/j.nicl.2017.01.004.Peer-Reviewed Original ResearchConceptsVisual association areasMemory updatingPrefrontal cortexAssociation areasIrrelevant negative informationMajor depressive disorderPrefrontal cortical activityFunctional magnetic resonanceVisual cortical activationMDD groupCognitive controlNeutral facesEmotion processingTask stimuliGreater ruminationRecognition testCore clinical featuresPerformance deficitsRecognition taskNegative informationMore persistent activationAbnormal affectTask informationUnmedicated participantsCortical activation