2016
Amygdala volume is reduced in early course schizophrenia
Rich AM, Cho YT, Tang Y, Savic A, Krystal JH, Wang F, Xu K, Anticevic A. Amygdala volume is reduced in early course schizophrenia. Psychiatry Research Neuroimaging 2016, 250: 50-60. PMID: 27035063, PMCID: PMC4904038, DOI: 10.1016/j.pscychresns.2016.02.006.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingAmygdala volumeSchizophrenia patientsSubcortical structuresEarly course schizophrenia patientsEarly illness courseChronic schizophrenia patientsNeuropathology of schizophreniaMajor subcortical structuresSmaller amygdala volumesEarly course schizophreniaHealthy comparison subjectsBonferroni correctionGray matter volumeAcute stress responseMedication useIllness coursePathophysiologic changesGlobus pallidusIllness phaseNucleus accumbensHigh riskComparison subjectsMatter volumeHR subjects
2013
Global Resting-State Functional Magnetic Resonance Imaging Analysis Identifies Frontal Cortex, Striatal, and Cerebellar Dysconnectivity in Obsessive-Compulsive Disorder
Anticevic A, Hu S, Zhang S, Savic A, Billingslea E, Wasylink S, Repovs G, Cole MW, Bednarski S, Krystal JH, Bloch MH, Li CS, Pittenger C. Global Resting-State Functional Magnetic Resonance Imaging Analysis Identifies Frontal Cortex, Striatal, and Cerebellar Dysconnectivity in Obsessive-Compulsive Disorder. Biological Psychiatry 2013, 75: 595-605. PMID: 24314349, PMCID: PMC3969771, DOI: 10.1016/j.biopsych.2013.10.021.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderPrefrontal cortexResting-state functional connectivity dataStriatum/nucleus accumbensVentral striatum/nucleus accumbensResting-state functional connectivity studiesVentral anterior cingulate cortexCortico-striatal circuitsMagnetic Resonance Imaging AnalysisAnterior cingulate cortexFunctional connectivity studiesBasal gangliaControl subjectsFunctional connectivity dataAnterior thalamusRight putamenFrontal cortexNucleus accumbensDorsal striatumCerebellar cortexAbnormal neural connectivityCerebellar dysconnectivityCingulate cortexWhole brainFunctional magnetic resonance imaging (fMRI) analysis
2001
A neurobiological basis for substance abuse comorbidity in schizophrenia
Chambers R, Krystal J, Self D. A neurobiological basis for substance abuse comorbidity in schizophrenia. Biological Psychiatry 2001, 50: 71-83. PMID: 11526998, PMCID: PMC2913410, DOI: 10.1016/s0006-3223(01)01134-9.Peer-Reviewed Original ResearchConceptsDrug rewardLong-term substance abuseMedication side effectsPrior drug exposureSubstance abuse comorbidityNeuropathology of schizophreniaPrimary disease symptomsAddictive behaviorsDrug-seeking behaviorHippocampal dysfunctionDrug exposureFrontal cortexNucleus accumbensHippocampal formationSchizophrenic patientsSide effectsCognitive impairmentNegative symptomsSubstance abuseAltered integrationNeural circuitrySymptomsSchizophreniaMotivational changesComorbidities