2024
Neural correlates of proactive avoidance deficits and alcohol use motives in problem drinking
Le T, Oba T, Couch L, McInerney L, Li C. Neural correlates of proactive avoidance deficits and alcohol use motives in problem drinking. Translational Psychiatry 2024, 14: 336. PMID: 39168986, PMCID: PMC11339324, DOI: 10.1038/s41398-024-03039-y.Peer-Reviewed Original ResearchConceptsAvoidance deficitNegative emotionsDrinking motivesAlcohol useNeural correlatesProblem drinkingRight anterior insula activityAssociated with greater alcohol useAnterior insula activityAlcohol use motivesGreater alcohol useProblem drinking groupInfluence alcohol usePhysical painInsula activationDrinking severityGo/NoGo taskNeural underpinningsPutamen responseSocial drinkersBehavioral measuresAvoidance performanceBehavioral resultsFunctional connectivityDrinking behavior
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 connectivityPain and reward circuits antagonistically modulate alcohol expectancy to regulate drinking
Le TM, Zhornitsky S, Zhang S, Li CR. Pain and reward circuits antagonistically modulate alcohol expectancy to regulate drinking. Translational Psychiatry 2020, 10: 220. PMID: 32636394, PMCID: PMC7341762, DOI: 10.1038/s41398-020-00909-z.Peer-Reviewed Original ResearchConceptsMedial orbitofrontal cortexPath modelCue exposure taskWhole-brain regressionAlcohol cue exposurePAG connectivityPotential aversive effectsExposure tasksCue exposureAlcohol expectanciesSocial pleasureDrinking severityOrbitofrontal cortexFMRI dataConnectivity strengthPrecentral gyrusOccipital cortexPSP scoresAlcohol useAversive effectsExcessive drinkingNegative associationExpectancyPleasureCortex
2019
Posterior 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