2020
Altered frontal cortex functioning in emotion regulation and hopelessness in bipolar disorder
Sankar A, Purves K, Colic L, Lippard ETC, Millard H, Fan S, Spencer L, Wang F, Pittman B, Constable RT, Gross JJ, Blumberg HP. Altered frontal cortex functioning in emotion regulation and hopelessness in bipolar disorder. Bipolar Disorders 2020, 23: 152-164. PMID: 32521570, PMCID: PMC7790437, DOI: 10.1111/bdi.12954.Peer-Reviewed Original ResearchMeSH KeywordsBipolar DisorderBrainEmotional RegulationEmotionsFrontal LobeHumansMagnetic Resonance ImagingConceptsExplicit emotion regulationEmotion regulationBrain responsesMood statesDorsal anterior cingulate cortexEmotion regulation difficultiesHappy facial stimuliFrontal cortex functioningDorsal frontal regionsBipolar disorderAcute mood symptomsAnterior cingulate cortexFunctional MRI dataMajor suicide risk factorsNegative affective symptomsEuthymic mood stateRegional brain responsesFacial stimuliRegulation difficultiesFrontal engagementMOFC responseNegative emotionsLoss of motivationDiminished motivationEuthymic individuals
2018
Preliminary examination of gray and white matter structure and longitudinal structural changes in frontal systems associated with future suicide attempts in adolescents and young adults with mood disorders
Lippard ETC, Johnston JAY, Spencer L, Quatrano S, Fan S, Sankar A, Weathers J, Pittman B, Oquendo MA, Blumberg HP. Preliminary examination of gray and white matter structure and longitudinal structural changes in frontal systems associated with future suicide attempts in adolescents and young adults with mood disorders. Journal Of Affective Disorders 2018, 245: 1139-1148. PMID: 30699858, PMCID: PMC6487887, DOI: 10.1016/j.jad.2018.11.097.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAnisotropyBipolar DisorderCross-Sectional StudiesDepressive Disorder, MajorDiffusion Tensor ImagingFemaleFrontal LobeGray MatterGyrus CinguliHumansInternal CapsuleMagnetic Resonance ImagingMaleMood DisordersPrefrontal CortexSuicidal IdeationSuicide, AttemptedWhite MatterYoung AdultConceptsMood disordersGray matter volumeLongitudinal structural changesSuicide-related behaviorsFuture suicide attemptsFractional anisotropyWhite matter structuresMatter volumeWhite matterSuicide attemptsHigh-resolution structural magnetic resonance imagingYoung adultsWhite matter fractional anisotropyMajor risk factorStructural magnetic resonance imagingCross-sectional studyFrontal white matterPrefrontal gray matter volumeMatter structuresMagnetic resonance imagingDiffusion tensor imagingInternal capsuleRisk factorsAnterior limbPrevention strategies
2017
Multimodal Neuroimaging of Frontolimbic Structure and Function Associated With Suicide Attempts in Adolescents and Young Adults With Bipolar Disorder
Johnston JAY, Wang F, Liu J, Blond BN, Wallace A, Liu J, Spencer L, Cox Lippard ET, Purves KL, Landeros-Weisenberger A, Hermes E, Pittman B, Zhang S, King R, Martin A, Oquendo MA, Blumberg HP. Multimodal Neuroimaging of Frontolimbic Structure and Function Associated With Suicide Attempts in Adolescents and Young Adults With Bipolar Disorder. American Journal Of Psychiatry 2017, 174: 667-675. PMID: 28135845, PMCID: PMC5939580, DOI: 10.1176/appi.ajp.2016.15050652.Peer-Reviewed Original ResearchConceptsGray matter volumeBipolar disorderWhite matter integrityFunctional connectivityMatter volumeSuicide attemptsAttempt lethalityPrefrontal connectivitySuicidal ideationYoung adult suicide attemptersAmygdala-prefrontal functional connectivityYoung adultsAmygdala functional connectivitySuicide-related symptomsAdult suicide attemptersPrior suicide attemptsRegional gray matter volumeFrontolimbic structuresNonattempter groupFrontolimbic systemsHigh riskSignificant negative correlationFunctional MROrbitofrontal cortexSuicidal behavior