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
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 connectivityAge-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
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 findingsProblem 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 images