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
2020
Pain 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 ResearchMeSH KeywordsAlcohol DrinkingBrain MappingHumansMagnetic Resonance ImagingPainPeriaqueductal GrayRewardConceptsMedial 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
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 ResearchMeSH KeywordsAdultAlcohol DrinkingAlcoholismCuesFeeding BehaviorFemaleGray MatterHumansMagnetic Resonance ImagingMaleMiddle AgedPrefrontal CortexConceptsLateral 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