2022
Structural brain alterations associated with suicidal thoughts and behaviors in young people: results from 21 international studies from the ENIGMA Suicidal Thoughts and Behaviours consortium
van Velzen LS, Dauvermann MR, Colic L, Villa LM, Savage HS, Toenders YJ, Zhu AH, Bright JK, Campos AI, Salminen LE, Ambrogi S, Ayesa-Arriola R, Banaj N, Başgöze Z, Bauer J, Blair K, Blair RJ, Brosch K, Cheng Y, Colle R, Connolly CG, Corruble E, Couvy-Duchesne B, Crespo-Facorro B, Cullen KR, Dannlowski U, Davey CG, Dohm K, Fullerton JM, Gonul AS, Gotlib IH, Grotegerd D, Hahn T, Harrison BJ, He M, Hickie IB, Ho TC, Iorfino F, Jansen A, Jollant F, Kircher T, Klimes-Dougan B, Klug M, Leehr EJ, Lippard ETC, McLaughlin KA, Meinert S, Miller AB, Mitchell PB, Mwangi B, Nenadić I, Ojha A, Overs BJ, Pfarr JK, Piras F, Ringwald KG, Roberts G, Romer G, Sanches M, Sheridan MA, Soares JC, Spalletta G, Stein F, Teresi GI, Tordesillas-Gutiérrez D, Uyar-Demir A, van der Wee NJA, van der Werff SJ, Vermeiren RRJM, Winter A, Wu MJ, Yang TT, Thompson PM, Rentería ME, Jahanshad N, Blumberg HP, van Harmelen AL, Schmaal L. Structural brain alterations associated with suicidal thoughts and behaviors in young people: results from 21 international studies from the ENIGMA Suicidal Thoughts and Behaviours consortium. Molecular Psychiatry 2022, 27: 4550-4560. PMID: 36071108, PMCID: PMC9734039, DOI: 10.1038/s41380-022-01734-0.Peer-Reviewed Original ResearchConceptsMood disordersSuicidal thoughtsSuicide attemptsBrain alterationsMRI metricsSuicidal ideationColumbia-Suicide Severity Rating ScaleStructural brain alterationsLifetime suicide attemptsSeverity Rating ScaleCurrent suicidal ideationActual suicide attemptsHealthy controlsAssessment instrumentsClinical controlEarly interventionMental disordersSignificant associationFrontal poleBrain morphologySuicide riskSuicide attemptersRating ScaleYoung peopleDisordersGraph theory analysis of whole brain functional connectivity to assess disturbances associated with suicide attempts in bipolar disorder
Sankar A, Scheinost D, Goldman DA, Drachman R, Colic L, Villa LM, Kim JA, Gonzalez Y, Marcelo I, Shinomiya M, Pittman B, Lacadie CM, Oquendo MA, Constable RT, Blumberg HP. Graph theory analysis of whole brain functional connectivity to assess disturbances associated with suicide attempts in bipolar disorder. Translational Psychiatry 2022, 12: 7. PMID: 35013103, PMCID: PMC8748935, DOI: 10.1038/s41398-021-01767-z.Peer-Reviewed Original ResearchConceptsIntrinsic connectivity distributionBipolar disorderSuicide attemptsHealthy volunteersFunctional connectivity disturbancesSuicide behaviorWhole-brain functional connectivityPrior suicide attemptsRight anterior insulaBrain functional connectivitySuicidal ideation severityBilateral ventromedial prefrontal cortexFunctional magnetic resonanceSignificant group differencesTemporopolar cortexConnectivity disturbancesBrain targetsFC differencesHigh riskCerebellar cortexVentromedial prefrontal cortexSuicidal ideationOrbitofrontal cortexFunctional connectivitySuicide risk
2019
Imaging suicidal thoughts and behaviors: a comprehensive review of 2 decades of neuroimaging studies
Schmaal L, van Harmelen AL, Chatzi V, Lippard ETC, Toenders YJ, Averill LA, Mazure CM, Blumberg HP. Imaging suicidal thoughts and behaviors: a comprehensive review of 2 decades of neuroimaging studies. Molecular Psychiatry 2019, 25: 408-427. PMID: 31787757, PMCID: PMC6974434, DOI: 10.1038/s41380-019-0587-x.Peer-Reviewed Original ResearchConceptsVentral prefrontal cortexSuicidal ideationSuicidal thoughtsDorsal PFCDorsal anterior cingulate cortexAnterior cingulate cortexHigh-risk circumstancesBrain alterationsBrain areasLarger sample sizeCingulate cortexMolecular alterationsMental disordersNarrative reviewSuicide thoughtsPrefrontal cortexNeurobiological substratesInhibition of behaviorSuicide attempt behaviorBrain systemsCortexInsulaImpairmentComprehensive reviewLongitudinal design
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