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 behaviorThe Neural Correlates of Individual Differences in Reinforcement Learning during Pain Avoidance and Reward Seeking
Le T, Oba T, Couch L, McInerney L, Li C. The Neural Correlates of Individual Differences in Reinforcement Learning during Pain Avoidance and Reward Seeking. ENeuro 2024, 11: eneuro.0437-23.2024. PMID: 38365840, PMCID: PMC10901196, DOI: 10.1523/eneuro.0437-23.2024.Peer-Reviewed Original ResearchConceptsSuperior frontal gyrusReward-seekingCingulate cortexNeural correlatesPain avoidanceAction biasDorsal anterior cingulate cortexLeft posterior cingulate cortexAction-outcome associationsGo/No-Go taskAnterior cingulate cortexPosterior cingulate cortexImpact of outcomesHigher learning rateReward trialsFrontal gyrusAvoidance learningMidcingulate cortexNeural substratesAssociative learningAction tendenciesPre-SMAAssociated with activationPrecentral gyrusPostcentral gyrus
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 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