1998
Dissociation of mnemonic and perceptual processes during spatial and nonspatial working memory using fMRI
Belger A, Puce A, Krystal J, Gore J, Goldman‐Rakic P, McCarthy G. Dissociation of mnemonic and perceptual processes during spatial and nonspatial working memory using fMRI. Human Brain Mapping 1998, 6: 14-32. PMID: 9673660, PMCID: PMC6873355, DOI: 10.1002/(sici)1097-0193(1998)6:1<14::aid-hbm2>3.0.co;2-o.Peer-Reviewed Original ResearchConceptsMiddle frontal gyrusPerceptual control taskMemory taskIntraparietal sulcusPerceptual domainFrontal gyrusLeft hemisphereExperiment 1Parietal cortexControl taskLeft inferior frontal gyrusRight middle frontal gyrusInferior occipitotemporal cortexNonspatial working memoryCommon brain regionsInferior frontal gyrusVentral visual pathwayDomain-specific activationFunctional magnetic resonanceInferior parietal cortexDorsolateral prefrontal cortexPerceptual processingWorking memoryPerceptual processesMnemonic demandsAlterations of Benzodiazepine Receptors in Type II Alcoholic Subjects Measured With SPECT and 123IIomazenil
Abi-Dargham A, Krystal JH, Anjilvel S, Scanley BE, Zoghbi S, Baldwin RM, Rajeevan N, Ellis S, Petrakis IL, Seibyl JP, Charney DS, Laruelle M, Innis RB. Alterations of Benzodiazepine Receptors in Type II Alcoholic Subjects Measured With SPECT and 123IIomazenil. American Journal Of Psychiatry 1998, 155: 1550-1555. PMID: 9812116, DOI: 10.1176/ajp.155.11.1550.Peer-Reviewed Original ResearchConceptsHealthy comparison subjectsBenzodiazepine receptorsComparison subjectsAlcoholic subjectsDistribution volumeAlcoholic patientsAnterior cingulateBenzodiazepine receptor densityRight middle frontal gyrusLeft occipital cortexType II alcoholismSingle photon emissionMiddle frontal gyrusStatistical parametric mappingContinuous infusionReceptor radiotracerReceptor densityOccipital cortexCerebellar cortexCortical regionsPatientsFrontal gyrusInterest analysisVivo studiesParametric mapping
1997
Positron Emission Tomography Measurement of Cerebral Metabolic Correlates of Tryptophan Depletion—Induced Depressive Relapse
Bremner JD, Innis RB, Salomon RM, Staib LH, Ng CK, Miller HL, Bronen RA, Krystal JH, Duncan J, Rich D, Price LH, Malison R, Dey H, Soufer R, Charney DS. Positron Emission Tomography Measurement of Cerebral Metabolic Correlates of Tryptophan Depletion—Induced Depressive Relapse. JAMA Psychiatry 1997, 54: 364-374. PMID: 9107153, DOI: 10.1001/archpsyc.1997.01830160092012.Peer-Reviewed Original ResearchConceptsCerebral metabolic correlatesDepressive relapseBrain metabolismMajor depressionMiddle frontal gyrusOrbitofrontal cortexTryptophan depletionMetabolic correlatesPositron emission tomography scanningFrontal gyrusRelapse-prone patientsPathogenesis of depressionPositron emission tomography (PET) measurementsSerotonin reuptake inhibitorsSymptoms of patientsPositron emission tomographySingle photon emissionSpecific brain regionsDorsolateral prefrontal cortexReuptake inhibitorsPlasma tryptophanLimbic regionsCaudate nucleusDepressive symptomsPatients
1996
Activation of Human Prefrontal Cortex during Spatial and Nonspatial Working Memory Tasks Measured by Functional MRI
McCarthy G, Puce A, Constable T, Krystal J, Gore J, Goldman-Rakic P. Activation of Human Prefrontal Cortex during Spatial and Nonspatial Working Memory Tasks Measured by Functional MRI. Cerebral Cortex 1996, 6: 600-611. PMID: 8670685, DOI: 10.1093/cercor/6.4.600.Peer-Reviewed Original ResearchConceptsMiddle frontal gyrusMemory taskPrefrontal cortexHuman prefrontal cortexShape taskFrontal gyrusLeft hemisphereNonspatial working memory tasksSuccessive visual stimuliWorking Memory TaskInferior frontal gyrusTarget detection taskFunctional magnetic resonanceMnemonic contentMnemonic componentsPFC activationMemory domainAreas of activationMemory processesTask onsetVisual stimuliHemispheric activationRight hemisphereDetection taskFunctional MRI