2025
White Matter, Cognition, and Electrophysiological Variables in Bipolar Disorder: Using Multimodal Integration of Biomarker Variables Associated With Bipolar Disorder to Elucidate Deficits
Berardi A, Brown J, Jackson B, Huang L, Trotti R, Parker D, Hill S, Ivleva E, Pearlson G, Tamminga C, Keshavan M, Keedy S, Gershon E, Sweeney J, Clementz B, McDowell J. White Matter, Cognition, and Electrophysiological Variables in Bipolar Disorder: Using Multimodal Integration of Biomarker Variables Associated With Bipolar Disorder to Elucidate Deficits. Bipolar Disorders 2025, 27: 205-216. PMID: 40084552, PMCID: PMC12169086, DOI: 10.1111/bdi.70010.Peer-Reviewed Original ResearchConceptsEvent-related potentialsStop signal taskBipolar disorderBrief Assessment of CognitionLongitudinal fasciculusFractional anisotropyBrain electrophysiological measuresRight inferior longitudinal fasciculusIntermediate Phenotypes consortiumMeasures of white matter microstructureBilateral superior longitudinal fasciculusAssessment of cognitionAuditory event-related potentialsBilateral anterior thalamic radiationIntrinsic brain activitySuperior longitudinal fasciculusWhite matter integrityInferior longitudinal fasciculusCingulum cingulate gyrusWhite matter microstructureAnterior thalamic radiationRadial diffusivityWhite matter variabilitySignal taskBrief assessment
2024
Enlarged pituitary gland volume: a possible state rather than trait marker of psychotic disorders
Guimond S, Alftieh A, Devenyi G, Mike L, Chakravarty M, Shah J, Parker D, Sweeney J, Pearlson G, Clementz B, Tamminga C, Keshavan M. Enlarged pituitary gland volume: a possible state rather than trait marker of psychotic disorders. Psychological Medicine 2024, 54: 1835-1843. PMID: 38357733, PMCID: PMC11132920, DOI: 10.1017/s003329172300380x.Peer-Reviewed Original ResearchPituitary gland volumePsychotic disordersSymptom severityAntipsychotic doseIllness durationCognitive functionAssociated with greater symptom severitySignificant effect of diagnosisAssociated with symptom severityHigher antipsychotic dosePituitary volumeBipolar-Schizophrenia NetworkIntermediate Phenotypes consortiumStructural magnetic resonance imagingProgression of psychosisGreater symptom severityEffect of diagnosisLower cognitive functionMore severe symptomsSample of individualsTransdiagnostic sampleMAGeT Brain algorithmGland volumeTrait markerBetween-group differences
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