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 ResearchMeSH KeywordsAdultBipolar DisorderBrain WavesCerebral CortexFamilyFemaleGenetic Predisposition to DiseaseHumansMaleMiddle AgedPhenotypeSchizophreniaConceptsFirst-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 disorderDiffusion Tensor Imaging White Matter Endophenotypes in Patients With Schizophrenia or Psychotic Bipolar Disorder and Their Relatives
Skudlarski P, Schretlen DJ, Thaker GK, Stevens MC, Keshavan MS, Sweeney JA, Tamminga CA, Clementz BA, O’Neil K, Pearlson GD. Diffusion Tensor Imaging White Matter Endophenotypes in Patients With Schizophrenia or Psychotic Bipolar Disorder and Their Relatives. American Journal Of Psychiatry 2013, 170: 886-898. PMID: 23771210, DOI: 10.1176/appi.ajp.2013.12111448.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAnisotropyBipolar DisorderBrainDiffusion Tensor ImagingDominance, CerebralEndophenotypesGenetic Predisposition to DiseaseHumansImage Interpretation, Computer-AssistedLeukoencephalopathiesNerve NetPhenotypePsychiatric Status Rating ScalesReference ValuesSchizophreniaSchizophrenic PsychologyStatistics as TopicConceptsPsychotic bipolar disorderBipolar disorderWhite matter integrityFractional anisotropyComparison subjectsFractional anisotropy decreasesFirst-degree relativesHealthy comparison subjectsLower white matter integrityDiffusion tensorMultiple white matter regionsLower fractional anisotropyWhite matter regionsBipolar-Schizophrenia NetworkHealthy subjectsBipolar relativesProband groupsYoung subjectsBrain regionsDisease specificityFractional anisotropy measuresUnaffected relativesMatter regionsBrain connectivitySchizophrenia
2012
A large scale multivariate parallel ICA method reveals novel imaging–genetic relationships for Alzheimer's disease in the ADNI cohort
Meda SA, Narayanan B, Liu J, Perrone-Bizzozero NI, Stevens MC, Calhoun VD, Glahn DC, Shen L, Risacher SL, Saykin AJ, Pearlson GD. A large scale multivariate parallel ICA method reveals novel imaging–genetic relationships for Alzheimer's disease in the ADNI cohort. NeuroImage 2012, 60: 1608-1621. PMID: 22245343, PMCID: PMC3312985, DOI: 10.1016/j.neuroimage.2011.12.076.Peer-Reviewed Original ResearchMeSH KeywordsAgedAlzheimer DiseaseBrainCanadaCohort StudiesData Interpretation, StatisticalFemaleGenetic Predisposition to DiseaseHumansMagnetic Resonance ImagingMaleMultivariate AnalysisPolymorphism, Single NucleotidePrevalencePrincipal Component AnalysisReproducibility of ResultsSensitivity and SpecificityUnited StatesConceptsLate-onset Alzheimer's diseaseMagnetic resonance imagingAlzheimer's diseaseOnset Alzheimer's diseaseAlzheimer's Disease Neuroimaging Initiative (ADNI) cohortElderly healthy controlsAmnestic mild cognitive impairmentDifferent brain regionsMild cognitive impairmentStructural MRI scansHealthy controlsCardiovascular diseaseInitiative cohortMRI scansPathologic processesCognitive impairmentResonance imagingBrain regionsSingle nucleotide polymorphism (SNP) variantsCaucasian adultsSubject cohortDiseasePhysiologic pathwaysCohortPolymorphism variants
2010
Genetic Associations of Brain Structural Networks in Schizophrenia: A Preliminary Study
Jagannathan K, Calhoun VD, Gelernter J, Stevens MC, Liu J, Bolognani F, Windemuth A, Ruaño G, Assaf M, Pearlson GD. Genetic Associations of Brain Structural Networks in Schizophrenia: A Preliminary Study. Biological Psychiatry 2010, 68: 657-666. PMID: 20691427, PMCID: PMC2990476, DOI: 10.1016/j.biopsych.2010.06.002.Peer-Reviewed Original ResearchConceptsSpecific structural brain abnormalitiesMagnetic resonance imaging (MRI) scansSmall sample sizeHealthy control subjectsStructural brain abnormalitiesStructural magnetic resonance imaging (MRI) scansGray matter deficitsResonance imaging scansCortical gray matterNormal central nervous system developmentRisk genesCentral nervous system developmentBrain structural networksControl subjectsImaging scansBrain abnormalitiesNervous system developmentIllness markersSchizophrenia pathophysiologySchizophrenia risk genesGenetic componentTemporal lobeBrain areasEuropean-American subjectsSchizophrenia patients
2009
A pilot multivariate parallel ICA study to investigate differential linkage between neural networks and genetic profiles in schizophrenia
Meda SA, Jagannathan K, Gelernter J, Calhoun VD, Liu J, Stevens MC, Pearlson GD. A pilot multivariate parallel ICA study to investigate differential linkage between neural networks and genetic profiles in schizophrenia. NeuroImage 2009, 53: 1007-1015. PMID: 19944766, PMCID: PMC3968678, DOI: 10.1016/j.neuroimage.2009.11.052.Peer-Reviewed Original ResearchMeSH KeywordsAcoustic StimulationBrain MappingBrain-Derived Neurotrophic FactorDopamine Plasma Membrane Transport ProteinsEndophenotypesFemaleGenetic Predisposition to DiseaseGenotypeHumansImage Interpretation, Computer-AssistedMagnetic Resonance ImagingMaleNeural PathwaysPilot ProjectsPolymorphism, Single NucleotideSchizophreniaSerotonin Plasma Membrane Transport ProteinsConceptsDopamine transporterBrain functionNeurotropic factorAuditory oddball taskSchizophrenia patientsSingle nucleotide polymorphismsMultiple risk genesRisk genesOddball taskRelated brain functionsHealthy controlsSchizophrenia risk genesAbnormal activationGenomic factorsTemporal gyrusPatientsTask-relevant regionsSchizophreniaSignificant differencesAttention/Multiple single nucleotide polymorphismsGenetic profilePsychiatric neuroimagingBrainGenotype-phenotype relationships