2023
Double dissociation between P300 components and task switch error type in healthy but not psychosis participants
Huang L, Parker D, Ethridge L, Hamm J, Keedy S, Tamminga C, Pearlson G, Keshavan M, Hill S, Sweeney J, McDowell J, Clementz B. Double dissociation between P300 components and task switch error type in healthy but not psychosis participants. Schizophrenia Research 2023, 261: 161-169. PMID: 37776647, PMCID: PMC11015813, DOI: 10.1016/j.schres.2023.09.025.Peer-Reviewed Original ResearchConceptsEvent-related potentialsDouble dissociationParietal P300Oddball taskCognitive functionPsychosis participantsInductive reasoningP300 event-related potentialFrontal P300 amplitudePossible neural correlatesMental flexibilityCognitive demandsMemory maintenanceNeural correlatesPerseverative errorsRegressive errorsBehavioral performanceOddball targetsP300 componentP300 amplitudeError typesSubjects' abilityNeural activityP300 reductionHealthy participants
2014
Relationships between Reward Sensitivity, Risk-Taking and Family History of Alcoholism during an Interactive Competitive fMRI Task
Yarosh HL, Hyatt CJ, Meda SA, Jiantonio-Kelly R, Potenza MN, Assaf M, D.Pearlson G. Relationships between Reward Sensitivity, Risk-Taking and Family History of Alcoholism during an Interactive Competitive fMRI Task. PLOS ONE 2014, 9: e88188. PMID: 24505424, PMCID: PMC3913753, DOI: 10.1371/journal.pone.0088188.Peer-Reviewed Original ResearchConceptsVentral striatal activationNeural correlatesImpulsivity measuresStriatal activationFHN individualsFunctional magnetic resonance imaging (fMRI) taskVentral striatum activationSelf-report measuresImpulsivity-related measuresFunctional magnetic resonanceRisk-taking scoresReward-related networksAlcohol-dependent individualsNeural underpinningsPunishment sensitivityReward responsivenessReward sensitivityFMRI taskReward processingStriatum activationSocial tasksFHP individualsMonetary rewardsAddictive behaviorsAxis I Disorders