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
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 imagesPosterior Cingulate Cortical Response to Active Avoidance Mediates the Relationship between Punishment Sensitivity and Problem Drinking
Le TM, Zhornitsky S, Wang W, Ide J, Zhang S, Li CR. Posterior Cingulate Cortical Response to Active Avoidance Mediates the Relationship between Punishment Sensitivity and Problem Drinking. Journal Of Neuroscience 2019, 39: 6354-6364. PMID: 31189577, PMCID: PMC6687909, DOI: 10.1523/jneurosci.0508-19.2019.Peer-Reviewed Original ResearchConceptsPosterior cingulate cortexMaladaptive coping mechanismPunishment sensitivityNeural substratesBehavioral avoidanceResponse inhibitionNegative affectAlcohol usePosterior cingulate cortex activationCoping mechanismsProblem drinkingAlcohol misusePCC responseSensation-seeking traitsAvoidance strategiesAlcohol Use Disorders Identification TestHazardous alcohol useAvoidance tendenciesAlcohol Use Disorders Identification Test (AUDIT) scoresGo taskNeural processesReward QuestionnaireAction inhibitionBrain activationCerebral correlates