1997
Quantification of Neuroreceptors in the Living Human Brain
Wong *, Pearlson ‡, Tune ‡, Young *, Meltzer *, Dannals *, Ravert *, Reith *, Kuhar †, Gjedde ¶. Quantification of Neuroreceptors in the Living Human Brain. Cerebrovascular And Brain Metabolism Reviews 1997, 17: 331-342. PMID: 9119906, DOI: 10.1097/00004647-199703000-00010.Peer-Reviewed Original ResearchConceptsD2-like dopamine receptorsDrug-naive schizophrenic patientsDopamine receptorsSchizophrenic patientsIllness patientsPatient groupControl subjectsReceptor densityD2 dopamine receptor densityDrug-naive schizophreniaDopamine receptor densityLiving Human BrainBipolar affective illnessD2 dopamine receptorsQuantification of NeuroreceptorsPositron emission tomographyEffect of ageBrain uptakeAffective illnessBipolar illnessNonpsychotic patientsCaudate nucleusNormal controlsNormal volunteersPatientsQuantitative MRI volume changes in late onset schizophrenia and Alzheimer's disease compared to normal controls
Barta P, Powers R, Aylward E, Chase G, Harris G, Rabins P, Tune L, Pearlson G. Quantitative MRI volume changes in late onset schizophrenia and Alzheimer's disease compared to normal controls. Psychiatry Research 1997, 68: 65-75. PMID: 9104754, DOI: 10.1016/s0925-4927(96)02751-5.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingOnset schizophreniaAlzheimer's diseaseNormal controlsMRI volume changesLate-onset schizophreniaLateral temporal lobe structuresNon-cognitive symptomsModerate cognitive impairmentTemporal lobe structuresAnterior superior temporal gyrusNormal elderly controlsMedial temporal regionsSuperior temporal gyrusPatient groupSTG volumeAD patientsElderly controlsCognitive impairmentResonance imagingTemporal gyrusTemporal regionsPatientsLobe structuresDiseaseMedial and superior temporal gyral volumes and cerebral asymmetry in schizophrenia versus bipolar disorder
Pearlson G, Barta P, Powers R, Menon R, Richards S, Aylward E, Federman E, Chase G, Petty R, Tien A. Medial and superior temporal gyral volumes and cerebral asymmetry in schizophrenia versus bipolar disorder. Biological Psychiatry 1997, 41: 1-14. PMID: 8988790, DOI: 10.1016/s0006-3223(96)00373-3.Peer-Reviewed Original ResearchConceptsSuperior temporal gyrusAnterior superior temporal gyrusBipolar disorderSchizophrenic patientsSuperior temporal gyral volumeMagnetic resonance imaging studyTemporal lobe changesMedial temporal structuresRight anterior superior temporal gyrusResonance imaging studyGlobal brain measuresPosterior superior temporal gyrusGyral volumeHealthy controlsMRI measuresTemporal lobeBipolar patientsBipolar subjectsNormal controlsImaging studiesTemporal gyrusPatientsSchizophreniaBilateral volumesBrain measures
1995
In Vivo D2 Dopamine Receptor Density in Psychotic and Nonpsychotic Patients With Bipolar Disorder
Pearlson G, Wong D, Tune L, Ross C, Chase G, Links J, Dannals R, Wilson A, Ravert H, Wagner H, DePaulo J. In Vivo D2 Dopamine Receptor Density in Psychotic and Nonpsychotic Patients With Bipolar Disorder. JAMA Psychiatry 1995, 52: 471-477. PMID: 7771917, DOI: 10.1001/archpsyc.1995.03950180057008.Peer-Reviewed Original ResearchConceptsSchizophrenic patientsBipolar disorderBmax valuesNonpsychotic patientsNormal controlsPsychotic symptomsPsychotic patientsAffective disordersPositron emission tomographic scansD2 dopamine receptor densityNeuroleptic-naive schizophrenic patientsPositron emission tomographic studiesDopamine receptor densityReceptor density valuesDSM-III criteriaPresent State ExaminationPresence of psychosisEmission tomographic studiesHigher Bmax valuesPsychotic bipolar disorderNeuroleptic medicationReceptor BmaxMood abnormalitiesReceptor valuesTomographic scan
1994
Altered cortical blood flow in HIV-seropositive individuals with and without dementia
Harris G, Pearlson G, McArthur J, Zeger S, LaFrance N. Altered cortical blood flow in HIV-seropositive individuals with and without dementia. AIDS 1994, 8: 495-500. PMID: 8011253, DOI: 10.1097/00002030-199404000-00012.Peer-Reviewed Original ResearchConceptsHIV-1-infected groupHIV-1-infected individualsNormal controlsBlood flowHIV-1-seropositive individualsRegional cerebral blood flowCortical profilesCerebral cortical perfusionCortical perfusion changesHIV-seropositive individualsCerebral perfusion abnormalitiesCortical blood flowCerebral blood flowSingle photon emissionTomographic imaging studiesHigh-frequency powerCortical perfusionCerebral cortexPerfusion abnormalitiesPerfusion changesSevere dementiaImaging studiesDistribution of radiotracerPhoton emissionDementia
1991
Effects of Substance Abuse on Ventricular and Sulcal Measures Assessed by Computerised Tomography
Cascella N, Pearlson G, Wong D, Broussolle E, Nagoshi C, Margolin R, London E. Effects of Substance Abuse on Ventricular and Sulcal Measures Assessed by Computerised Tomography. The British Journal Of Psychiatry 1991, 159: 217-221. PMID: 1773237, DOI: 10.1192/bjp.159.2.217.Peer-Reviewed Original ResearchConceptsSubstance abuseSulcal measuresCocaine useSulcal widthWider third ventriclesEffect of ageBrain atrophyBrain ratioChronic useComputerised tomographyThird ventricleNormal controlsAlcohol consumptionBrain morphologyAlcohol usePolydrug abusersSignificant predictorsAgeVentricleSeverityTomographyPositive correlationAbusePossible effectsVentricularCentrum semiovale white matter CT changes associated with normal ageing, Alzheimer's disease and late life depression with and without reversible dementia
Pearlson G, Rabins P, Burns A. Centrum semiovale white matter CT changes associated with normal ageing, Alzheimer's disease and late life depression with and without reversible dementia. Psychological Medicine 1991, 21: 321-328. PMID: 1876637, DOI: 10.1017/s0033291700020420.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseCT attenuation numbersGray matterAttenuation numberCranial CT scanLate-life depressionElderly patientsReversible dementiaPatient groupCT changesLife depressionMajor depressionCentrum semiovaleAttenuation valuesCT scanNormal controlsElderly controlsNeuropsychological evaluationNormal agingDiseasePatientsDepressionCognitive tasksDementiaReliable means
1989
Structural brain CT changes and cognitive deficits in elderly depressives with and without reversible dementia (‘pseudodementia’)*
Pearlson G, Rabins P, Kim W, Speedie L, Moberg P, Burns A, Bascom M. Structural brain CT changes and cognitive deficits in elderly depressives with and without reversible dementia (‘pseudodementia’)*. Psychological Medicine 1989, 19: 573-584. PMID: 2798631, DOI: 10.1017/s003329170002417x.Peer-Reviewed Original ResearchConceptsMini-Mental State ExaminationVentricular brain ratioAD patientsDepressed patientsNormal controlsDSM-III major depressionCognitive deficitsShort-term progressionStructural brain abnormalitiesCranial CT scanProbable Alzheimer's diseaseCT attenuation valuesCT valuesReversible dementiaElderly patientsMost patientsBrain ratioCT attenuation numbersCT changesElderly depressivesBrain abnormalitiesDementia syndromesMajor depressionCT scanPatients
1988
SPECT IMAGING WITH I-123 ISOPROPYL AMPHETAMINE IN ASYMPTOMATIC HIV SEROPOSITIVE PERSONS
LaFrance N, Pearlson G, Schaerf F, McArthur J, Bascom M, Kumar A, Turek J, Cole P, Chen J, Wagner H. SPECT IMAGING WITH I-123 ISOPROPYL AMPHETAMINE IN ASYMPTOMATIC HIV SEROPOSITIVE PERSONS. Clinical Nuclear Medicine 1988, 13: 393. DOI: 10.1097/00003072-198805000-00042.Peer-Reviewed Original ResearchHIV encephalopathyAsymptomatic HIV-seropositive personsMini-Mental State EvaluationHIV-seropositive personsForamen of MonroSeropositive personsSeropositive individualsBasal gangliaFirst manifestationEarly predictorNormal controlsPatientsSubcortical regionsPET studiesIsopropyl amphetamineSPECT imagingCortical asymmetryAsymmetry indexSPECT slicesTrails BSingle studyDementiaAIDSSPECT dataMonths
1987
Olfactory Recognition: Differential Impairments in Early and Late Huntington's and Alzheimer's Diseases
Moberg P, Pearlson G, Speedie L, Lipsey J, Strauss M, Folstein S. Olfactory Recognition: Differential Impairments in Early and Late Huntington's and Alzheimer's Diseases. Journal Of Clinical And Experimental Neuropsychology 1987, 9: 650-664. PMID: 2961789, DOI: 10.1080/01688638708405208.Peer-Reviewed Original ResearchConceptsHuntington's diseaseOverall patient groupOlfactory brain regionsPatient groupAlzheimer groupSenile dementiaAlzheimer typeNormal controlsDisease processPatientsAlzheimer's diseaseBrain regionsCognitive deficitsHuntington's patientsGlobal impairmentDiseaseOlfactory discriminationOlfactory paradigmVisual performanceDifferential impairmentImpairmentDeficitsGroupOlfactory recognitionDementia
1985
Symptomatic, Familial, Perinatal, and Social Correlates of Computerized Axial Tomography (CAT) Changes in Schizophrenics and Bipolars
PEARLSON G, GARBACZ D, MOBERG P, AHN H, DEPAULO J. Symptomatic, Familial, Perinatal, and Social Correlates of Computerized Axial Tomography (CAT) Changes in Schizophrenics and Bipolars. The Journal Of Nervous And Mental Disease 1985, 173: 42-50. PMID: 3965611, DOI: 10.1097/00005053-198501000-00007.Peer-Reviewed Original ResearchConceptsVentricular enlargementFamily historyNegative symptomsComputerized axial tomography scanLateral ventricular enlargementAxial tomography scanPast psychiatric historyEarly brain damageMarked ventricular enlargementSubgroup of schizophrenicsPoor premorbid adjustmentLateral ventricularTomography changesBrain ratioPatient groupBrain damageTomography scanPsychiatric illnessPsychiatric historyBipolar patientsNormal controlsEarly onsetPatientsPremorbid adjustmentSignificant proportion