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
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 ResearchMeSH KeywordsAdultAlcoholismBrain MappingCerebral CortexHumansMagnetic Resonance ImagingMotivationNeural PathwaysConceptsResting-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
2019
Reward 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 indexPosterior 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