2018
Cerebellar and Prefrontal Cortical Alterations in PTSD: Structural and Functional Evidence
Holmes SE, Scheinost D, DellaGioia N, Davis MT, Matuskey D, Pietrzak RH, Hampson M, Krystal JH, Esterlis I. Cerebellar and Prefrontal Cortical Alterations in PTSD: Structural and Functional Evidence. Chronic Stress 2018, 2: 2470547018786390. PMID: 30035247, PMCID: PMC6054445, DOI: 10.1177/2470547018786390.Peer-Reviewed Original ResearchPosttraumatic stress disorderIntrinsic connectivity distributionMedial prefrontal cortexTensor-based morphometryPTSD groupFunctional connectivityPrefrontal cortexPathophysiology of PTSDGray matter volumeWhole-brain connectivityKey brain regionsMiddle temporal gyrusDorsolateral prefrontal cortexDefault mode networkCentral executive networkFunctional connectivity analysisPFC alterationsCortical alterationsHealthy comparison participantsAltered volumeFunctional alterationsMatter volumeUnmedicated individualsCerebellar involvementBrain regions
2017
Multimodal Investigation of Network Level Effects Using Intrinsic Functional Connectivity, Anatomical Covariance, and Structure-to-Function Correlations in Unmedicated Major Depressive Disorder
Scheinost D, Holmes SE, DellaGioia N, Schleifer C, Matuskey D, Abdallah CG, Hampson M, Krystal JH, Anticevic A, Esterlis I. Multimodal Investigation of Network Level Effects Using Intrinsic Functional Connectivity, Anatomical Covariance, and Structure-to-Function Correlations in Unmedicated Major Depressive Disorder. Neuropsychopharmacology 2017, 43: 1119-1127. PMID: 28944772, PMCID: PMC5854800, DOI: 10.1038/npp.2017.229.Peer-Reviewed Original ResearchConceptsMajor depressive disorderAnterior cingulate cortexIntrinsic functional connectivityMedial prefrontal cortexFunctional connectivityLarge-scale brain networksDepressive disorderMDD groupAnatomical covarianceBrain networksUnmedicated major depressive disorderWhole-brain intrinsic functional connectivitySystem-level disorderIntrinsic connectivity distributionRegional brain structureMultiple brain networksAltered connectivityCommon findingHealthy comparison participantsDepressive symptomsAltered volumeUnmedicated individualsLocal circuitryCingulate cortexDepressive symptomatology
2015
A Quantitative Meta-Analysis of Neurocognitive Functioning in Posttraumatic Stress Disorder
Scott JC, Matt GE, Wrocklage KM, Crnich C, Jordan J, Southwick SM, Krystal JH, Schweinsburg BC. A Quantitative Meta-Analysis of Neurocognitive Functioning in Posttraumatic Stress Disorder. Psychological Bulletin 2015, 141: 105-140. PMID: 25365762, PMCID: PMC4293317, DOI: 10.1037/a0038039.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderVerbal memoryInformation processingVerbal learningAttention/Cognitive domainsComparison participantsStress disorderCognitive deficitsAttention-deficit/hyperactivity disorderEffect size estimatesHealthy comparison participantsQuantitative Meta-AnalysisEffect sizeLarge effect sizesVisual memoryCognitive modelExecutive functionVisual learningVisuospatial abilitiesNeuropsychological functioningTrauma exposureNeurocognitive functioningHyperactivity disorderPTSD group
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 persistent abnormalities in amygdala volumes in adolescents and young adults with bipolar disorder
Blumberg HP, Fredericks C, Wang F, Kalmar JH, Spencer L, Papademetris X, Pittman B, Martin A, Peterson BS, Fulbright RK, Krystal JH. Preliminary evidence for persistent abnormalities in amygdala volumes in adolescents and young adults with bipolar disorder. Bipolar Disorders 2005, 7: 570-576. PMID: 16403182, PMCID: PMC2291299, DOI: 10.1111/j.1399-5618.2005.00264.x.Peer-Reviewed Original ResearchConceptsAmygdala volumeBipolar disorderYoung adultsAmygdala volume abnormalitiesTotal brain volumeHigh-resolution magnetic resonancePreliminary evidenceSubjects longitudinal designPersistent abnormalitiesMixed-model statistical analysisBD IVolume abnormalitiesHealthy comparison participantsBrain volumeHealthy participantsAbnormalitiesAdultsAdolescentsComparison participantsAmygdalaDevelopmental epochsDisordersLongitudinal designParticipantsMagnetic resonancePreliminary 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