2012
Diminished Frontostriatal Activity During Processing of Monetary Rewards and Losses in Pathological Gambling
Balodis IM, Kober H, Worhunsky PD, Stevens MC, Pearlson GD, Potenza MN. Diminished Frontostriatal Activity During Processing of Monetary Rewards and Losses in Pathological Gambling. Biological Psychiatry 2012, 71: 749-757. PMID: 22336565, PMCID: PMC3460522, DOI: 10.1016/j.biopsych.2012.01.006.Peer-Reviewed Original ResearchConceptsAlcohol dependencePathological gamblingVentral striatumMagnetic resonance imaging studyResonance imaging studyFunctional magnetic resonance imaging studyBrain activation changesMonetary incentive delay taskReward processingLoss processingPresent functional magnetic resonance imaging (fMRI) studyControl comparison groupIncentive delay taskVentral striatal activationPG groupMonetary rewardsVentromedial prefrontal cortexSimilar associationImaging studiesFrontostriatal activityLoss anticipationConsistent alterationsActivation changesPrefrontal cortexLevels of impulsivity
2011
An Initial Study of Neural Responses to Monetary Incentives as Related to Treatment Outcome in Cocaine Dependence
Jia Z, Worhunsky PD, Carroll KM, Rounsaville BJ, Stevens MC, Pearlson GD, Potenza MN. An Initial Study of Neural Responses to Monetary Incentives as Related to Treatment Outcome in Cocaine Dependence. Biological Psychiatry 2011, 70: 553-560. PMID: 21704307, PMCID: PMC3162064, DOI: 10.1016/j.biopsych.2011.05.008.Peer-Reviewed Original ResearchConceptsRight ventral striatumVentral striatumCocaine dependenceRight insulaMonetary incentive delay taskRight caudateReward-based decisionIncentive delay taskTreatment retentionFunctional magnetic resonanceCD participantsMedial frontal gyrusRight thalamusUrine toxicologyTreatment outcomesReward anticipationReward processingDelay taskTask performanceFrontal gyrusGreater activationNeural responsesRewarding outcomesRight subcallosal gyrusMonetary rewards