2013
Prolonged hemodynamic response during incidental facial emotion processing in inter-episode bipolar I disorder
Rosenfeld ES, Pearlson GD, Sweeney JA, Tamminga CA, Keshavan MS, Nonterah C, Stevens MC. Prolonged hemodynamic response during incidental facial emotion processing in inter-episode bipolar I disorder. Brain Imaging And Behavior 2013, 8: 73-86. PMID: 23975275, PMCID: PMC3944373, DOI: 10.1007/s11682-013-9246-z.Peer-Reviewed Original ResearchConceptsFMRI studyDorsolateral prefrontal cortex responsesAutomatic emotion regulationAffectively salient stimuliFacial emotion processingGender discrimination taskBrain regionsRemitted bipolar disorderPrefrontal cortex responsesResidual mood symptomsPrefrontal cortex regionsDiagnostic group differencesVentromedial prefrontal cortex regionsCortex brain regionsAngry expressionsEmotion regulationEmotion processingEmotional processingBrain activationTask performanceHemodynamic responseEmotional reactionsBipolar disorderBipolar IPrefrontal cortexError processing in current and former cocaine users
Castelluccio BC, Meda SA, Muska CE, Stevens MC, Pearlson GD. Error processing in current and former cocaine users. Brain Imaging And Behavior 2013, 8: 87-96. PMID: 23949893, PMCID: PMC3925762, DOI: 10.1007/s11682-013-9247-y.Peer-Reviewed Original ResearchConceptsFormer cocaine usersError processingSupramarginal gyrusCocaine usersBOLD responseRight inferior parietal lobuleAspects of impulsivityAbstinent cocaine usersCocaine abuse/dependenceInferior parietal lobuleCocaine-dependent individualsCurrent cocaine usersCognitive compensationNeural differencesPrepotent responsesResponse inhibitionAbuse/dependenceCorrect rejectionsSpecific deficitsBOLD activityTrait measuresMaladaptive behaviorsParietal lobuleAddictive behaviorsNeural activity
2012
Neural Activations During Auditory Oddball Processing Discriminating Schizophrenia and Psychotic Bipolar Disorder
Ethridge LE, Hamm JP, Shapiro JR, Summerfelt AT, Keedy SK, Stevens MC, Pearlson G, Tamminga CA, Boutros NN, Sweeney JA, Keshavan MS, Thaker G, Clementz BA. Neural Activations During Auditory Oddball Processing Discriminating Schizophrenia and Psychotic Bipolar Disorder. Biological Psychiatry 2012, 72: 766-774. PMID: 22572033, PMCID: PMC3465513, DOI: 10.1016/j.biopsych.2012.03.034.Peer-Reviewed Original ResearchConceptsAuditory oddball taskBipolar disorderNeural responsesBest differentiated groupsSingular time pointsDifferent psychotic disordersAuditory processing abnormalitiesOddball taskPsychotic bipolar disorderP300 event-related potentialNonpsychotic patientsHealthy subjectsPsychotic disordersPsychosis groupAuditory oddball responsePsychotic groupSchizophreniaFrequent combinationTime pointsBrain activationNeural activationBeta activityGroup differencesBrain responsesDisorders