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 ResearchMeSH KeywordsCognitionElectroencephalographyEvent-Related Potentials, P300Evoked PotentialsHumansPsychotic DisordersConceptsEvent-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 participantsEmotional scene processing in biotypes of psychosis
Trotti R, Parker D, Sabatinelli D, Keshavan M, Keedy S, Gershon E, Pearlson G, Hill S, Tamminga C, McDowell J, Clementz B. Emotional scene processing in biotypes of psychosis. Psychiatry Research 2023, 324: 115227. PMID: 37121219, PMCID: PMC10175237, DOI: 10.1016/j.psychres.2023.115227.Peer-Reviewed Original ResearchMeSH KeywordsBrainElectroencephalographyEmotionsEvoked PotentialsHumansPsychotic DisordersSchizophreniaConceptsSocial-emotional deficitsEmotional scenesSelf-reported emotional experienceEvent-related potential studyEmotional scene processingEmotional processing deficitsPsychosis groupPsychosis subgroupsSocio-occupational functioningEmotional processingProcessing deficitsScene processingEmotional experienceNeurophysiological correlatesNeural responsesPotential studiesScalp locationsPsychosis biotypesERPCurrent studyDeficitsFirst variateFuture translational researchPsychosisPsychosis cases