2024
Association between the oral microbiome and brain resting state connectivity in schizophrenia
Lin D, Fu Z, Liu J, Perrone-Bizzozero N, Hutchison K, Bustillo J, Du Y, Pearlson G, Calhoun V. Association between the oral microbiome and brain resting state connectivity in schizophrenia. Schizophrenia Research 2024, 270: 392-402. PMID: 38986386, DOI: 10.1016/j.schres.2024.06.045.Peer-Reviewed Original ResearchOral microbiomeMicrobial speciesArea under curveResting-state functional magnetic resonance imagingFunctional magnetic resonance imagingMicrobial 16S rRNA sequencingBrain circuit dysfunctionHealthy controlsBrain functional connectivity alterationsFunctional connectivity alterationsFunctional neuroimaging techniquesHypothalamic-pituitary-adrenal axisBrain functional connectivityFunctional network connectivityBrain functional activityBrain functional network connectivityHealthy control subjectsNeurotransmitter signaling pathwaysBeta diversityMicrobiome communitiesOral microbiome dysbiosisRRNA sequencingCircuit dysfunctionConnectivity alterationsSchizophrenia
2023
Association between perceived stress and brain structure volumes in older adults without late-life depression: a key role for the thalamus?
Anam A, Wang L, Pearlson G. Association between perceived stress and brain structure volumes in older adults without late-life depression: a key role for the thalamus? American Journal Of Geriatric Psychiatry 2023, 31: s61-s62. DOI: 10.1016/j.jagp.2022.12.221.Peer-Reviewed Original ResearchLate-life depressionThalamus volumeEarly life stressHC groupLLD groupPrefrontal cortexOlder adultsAnterior cingulateBrain volumeControl groupDuke Depression Evaluation ScheduleMontgomery-Asberg Depression Rating ScaleSimilar findingsHealthy control subjectsDepression Rating ScaleIntracranial brain volumeSignificant differencesSignificant correlationConnecticut Health CenterDorsal anterior cingulateSubcortical brain regionsStandardized acquisition protocolBrain structure volumesVentral anterior cingulateInstitutional review board
2013
Resting State Electroencephalogram Oscillatory Abnormalities in Schizophrenia and Psychotic Bipolar Patients and Their Relatives from the Bipolar and Schizophrenia Network on Intermediate Phenotypes Study
Narayanan B, O’Neil K, Berwise C, Stevens MC, Calhoun VD, Clementz BA, Tamminga CA, Sweeney JA, Keshavan MS, Pearlson GD. Resting State Electroencephalogram Oscillatory Abnormalities in Schizophrenia and Psychotic Bipolar Patients and Their Relatives from the Bipolar and Schizophrenia Network on Intermediate Phenotypes Study. Biological Psychiatry 2013, 76: 456-465. PMID: 24439302, PMCID: PMC5045030, DOI: 10.1016/j.biopsych.2013.12.008.Peer-Reviewed Original ResearchConceptsFirst-degree relativesSlow beta activityFast alpha activitySZ probandsAlpha activityHealthy control subjectsBeta activityRelative risk estimatesFrontal delta activityEEG spectral activityModerate relative riskPsychotic bipolar patientsLow-frequency activityPsychotic bipolar probandsGroup independent component analysisControl subjectsRelative riskPost-hoc pair-wise comparisonsBipolar patientsGenetic predispositionIntermediate Phenotypes (B-SNIP) studyOscillatory abnormalitiesAnalysis of covarianceUnique endophenotypesBipolar disorder
2010
Aberrant processing of deviant stimuli in schizophrenia revealed by fusion of fMRI and EEG data
Calhoun V, Wu L, Kiehl K, Eichele T, Pearlson G. Aberrant processing of deviant stimuli in schizophrenia revealed by fusion of fMRI and EEG data. Acta Neuropsychiatrica 2010, 22: 127-138. PMID: 21331320, PMCID: PMC3038634, DOI: 10.1111/j.1601-5215.2010.00467.x.Peer-Reviewed Original ResearchFunctional magnetic resonance imagingChronic schizophrenia patientsSchizophrenia patientsJoint independent component analysisHealthy control subjectsFronto-temporal regionsMagnetic resonance imagingLatency abnormalitiesDeviant stimuliControl subjectsHealthy controlsHemodynamic differencesPatientsBipolar disorderAlzheimer's diseaseResonance imagingAuditory oddball stimuliDiseaseSchizophreniaGroup differencesOddball stimuliN2 responseElectrical changesAberrant processingN2 amplitude
1999
Lack of normal pattern of cerebral asymmetry in familial schizophrenic patients and their relatives — The Maudsley Family Study
Sharma T, Lancaster E, Sigmundsson T, Lewis S, Takei N, Gurling H, Barta P, Pearlson G, Murray R. Lack of normal pattern of cerebral asymmetry in familial schizophrenic patients and their relatives — The Maudsley Family Study. Schizophrenia Research 1999, 40: 111-120. PMID: 10593451, DOI: 10.1016/s0920-9964(99)00143-7.Peer-Reviewed Original ResearchConceptsSchizophrenic patientsOccipitoparietal regionsControl subjectsNormal patternCortical regionsLack of asymmetryFamilial schizophrenic patientsNormal cerebral asymmetryHealthy control subjectsFirst-degree relativesObligate carriersCerebral asymmetryRegional brain volumesUnrelated control subjectsDegree relativesRight sensorimotorNormal brain asymmetryBrain volumeMaudsley Family StudyPatientsOccipital asymmetryUnaffected relativesSchizophreniaBrain asymmetryNormal asymmetry