2012
A broken filter: Prefrontal functional connectivity abnormalities in schizophrenia during working memory interference
Anticevic A, Repovs G, Krystal JH, Barch DM. A broken filter: Prefrontal functional connectivity abnormalities in schizophrenia during working memory interference. Schizophrenia Research 2012, 141: 8-14. PMID: 22863548, PMCID: PMC3879404, DOI: 10.1016/j.schres.2012.07.007.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnalysis of VarianceBrain MappingFemaleFunctional LateralityHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMemory DisordersMemory, Short-TermMiddle AgedNerve NetNeural PathwaysNeuropsychological TestsOxygenPrefrontal CortexSchizophreniaSchizophrenic PsychologyConceptsFunctional connectivity abnormalitiesConnectivity abnormalitiesMedio-dorsal thalamusTask-based functional connectivityFinal common pathwayMaintenance phasePrefrontal cortical regionsDorsolateral prefrontal cortex activationPrefrontal cortex activationFunctional deficitsHealthy controlsSub-cortical regionsExtended amygdalaPatientsCortex activationCognitive deficitsCortical regionsFunctional connectivityLife outcomesAbnormalitiesDLPFC networkCommon pathwaySchizophrenia researchSchizophreniaMemory abnormalities
2011
Working Memory Encoding and Maintenance Deficits in Schizophrenia: Neural Evidence for Activation and Deactivation Abnormalities
Anticevic A, Repovs G, Barch DM. Working Memory Encoding and Maintenance Deficits in Schizophrenia: Neural Evidence for Activation and Deactivation Abnormalities. Schizophrenia Bulletin 2011, 39: 168-178. PMID: 21914644, PMCID: PMC3523909, DOI: 10.1093/schbul/sbr107.Peer-Reviewed Original ResearchConceptsSCZ subjectsWM pathologySample WM taskWhole-brain levelDorsolateral prefrontal cortex functioningDefault mode systemFunctional magnetic resonanceHealthy subjectsWM phasesAbnormalitiesSchizophreniaWM areasActivation differencesLess recruitmentPrefrontal regionsMaintenance phaseDeficitsPrefrontal cortex functioningSubstantial evidencePathologySubjectsMaintenance deficitsRecent findingsActivationMagnetic resonanceNegative and Nonemotional Interference with Visual Working Memory in Schizophrenia
Anticevic A, Repovs G, Corlett PR, Barch DM. Negative and Nonemotional Interference with Visual Working Memory in Schizophrenia. Biological Psychiatry 2011, 70: 1159-1168. PMID: 21861986, DOI: 10.1016/j.biopsych.2011.07.010.Peer-Reviewed Original ResearchMeSH KeywordsAdultAmygdalaAnalysis of VarianceArousalAttentionCase-Control StudiesCerebral CortexDiscrimination, PsychologicalEmotionsFemaleField Dependence-IndependenceHumansLinear ModelsMagnetic Resonance ImagingMaleMatched-Pair AnalysisMemory, Short-TermMiddle AgedReference ValuesSchizophreniaSchizophrenic PsychologyVisual PerceptionConceptsControl subjectsSCZ subjectsDSM-IV-diagnosed schizophreniaAberrant salience processingLevel-dependent imagingAbility of patientsFunctional magnetic resonance imagingMagnetic resonance imagingPosterior cortical regionsFunctional magnetic resonanceLevel-dependent activityPathophysiological mechanismsPatientsResonance imagingCortical regionsAberrant responsesSalience processingSchizophreniaPrefrontal regionsEffects of distractionSubjectsSpecific deficitsDeficitsMagnetic resonanceSimilar responses
2010
Resisting emotional interference: Brain regions facilitating working memory performance during negative distraction
Anticevic A, Barch D, Repovs G. Resisting emotional interference: Brain regions facilitating working memory performance during negative distraction. Cognitive, Affective, & Behavioral Neuroscience 2010, 10: 159-173. PMID: 20498341, PMCID: PMC3856369, DOI: 10.3758/cabn.10.2.159.Peer-Reviewed Original ResearchConceptsPrefrontal cortical regionsNegative distractionPrefrontal regionsEmotional interferenceNeutral distractionIncorrect trialsCortical regionsPrefrontal cortexNegative emotional distractionActive cognitive engagementLateral prefrontal regionsVentrolateral prefrontal regionsFrontopolar prefrontal cortexSurvival-relevant informationParietal cortical regionsEmotional distractionWM performanceCognitive operationsAmygdala signalMemory performanceCognitive engagementIndividual differencesAmygdala activityActivation differencesMore deactivation
2009
When less is more: TPJ and default network deactivation during encoding predicts working memory performance
Anticevic A, Repovs G, Shulman GL, Barch DM. When less is more: TPJ and default network deactivation during encoding predicts working memory performance. NeuroImage 2009, 49: 2638-2648. PMID: 19913622, PMCID: PMC3226712, DOI: 10.1016/j.neuroimage.2009.11.008.Peer-Reviewed Original ResearchConceptsTemporo-parietal junctionDefault mode networkWM performanceDMN deactivationSlow event-related fMRIDefault network deactivationBetter WM performanceTask-relevant featuresEvent-related fMRITypes of distractersVentral attention networkStronger functional connectivityRapid visual searchFunctional connectivity resultsWM encodingWM taskTask demandsDistracter stimuliMemory performanceCognitive engagementVisual searchFunctional dissociationIrrelevant objectsAttention networkMode network