2008
Impairment of Working Memory Maintenance and Response in Schizophrenia: Functional Magnetic Resonance Imaging Evidence
Driesen NR, Leung HC, Calhoun VD, Constable RT, Gueorguieva R, Hoffman R, Skudlarski P, Goldman-Rakic PS, Krystal JH. Impairment of Working Memory Maintenance and Response in Schizophrenia: Functional Magnetic Resonance Imaging Evidence. Biological Psychiatry 2008, 64: 1026-1034. PMID: 18823880, PMCID: PMC2650279, DOI: 10.1016/j.biopsych.2008.07.029.Peer-Reviewed Original ResearchConceptsMemory taskPrefrontal activityMemory maintenanceBrain activationFunctional Magnetic Resonance Imaging EvidenceWorking Memory MaintenanceCognitive impairmentHealthy comparison participantsPrefrontal cortical activityFunctional magnetic resonanceMemory loadComparison participantsTask accuracyDistinct neurobiologyCortical activityHealthy participantsBasic research insightsImaging EvidenceMemoryCortical deficitsCortical functionPoor performanceTaskSchizophreniaResponse phase
2005
Preliminary evidence for medication effects on functional abnormalities in the amygdala and anterior cingulate in bipolar disorder
Blumberg HP, Donegan NH, Sanislow CA, Collins S, Lacadie C, Skudlarski P, Gueorguieva R, Fulbright RK, McGlashan TH, Gore JC, Krystal JH. Preliminary evidence for medication effects on functional abnormalities in the amygdala and anterior cingulate in bipolar disorder. Psychopharmacology 2005, 183: 308-313. PMID: 16249909, DOI: 10.1007/s00213-005-0156-7.Peer-Reviewed Original ResearchConceptsUnmedicated bipolar disorderMood-stabilizing medicationsBipolar disorderBD participantsPotential treatment targetMagnetic resonance imagingPreliminary evidenceMethodsFunctional magnetic resonance imagingAnterior cingulate activationResultsThe groupMedication effectsFunctional abnormalitiesHealthy comparison participantsObjectivesThe aimAnterior cingulateTreatment targetsResonance imagingMedicationsHC participantsAmygdala activationCingulate activationAmygdala increasesComparison participantsEmotional stimuliAbnormalities