2022
Psychosocial Factors Associated With Accelerated GrimAge in Male U.S. Military Veterans
Tamman AJF, Nagamatsu S, Krystal JH, Gelernter J, Montalvo-Ortiz JL, Pietrzak RH. Psychosocial Factors Associated With Accelerated GrimAge in Male U.S. Military Veterans. American Journal Of Geriatric Psychiatry 2022, 31: 97-109. PMID: 36210262, DOI: 10.1016/j.jagp.2022.09.002.Peer-Reviewed Original ResearchConceptsRisk factorsPremature mortalityU.S. veteransPsychosocial variablesNovel epigenetic clockLifetime substance use disorderRisk stratification modelMale U.S. veteransCross-sectional studyU.S. veteran populationWeekly physical exerciseSubstance use disordersMale U.S. military veteransBiological agingU.S. military veteransHealth morbidityModifiable correlatesMortality riskSleep qualityHigh riskGreater oddsUse disordersPhysical exercisePsychosocial factorsVeteran population
2021
Assessment of brain age in posttraumatic stress disorder: Findings from the ENIGMA PTSD and brain age working groups
Clausen AN, Fercho KA, Monsour M, Disner S, Salminen L, Haswell CC, Rubright EC, Watts AA, Buckley MN, Maron-Katz A, Sierk A, Manthey A, Suarez-Jimenez B, Olatunji BO, Averill CL, Hofmann D, Veltman DJ, Olson EA, Li G, Forster GL, Walter H, Fitzgerald J, Théberge J, Simons JS, Bomyea JA, Frijling JL, Krystal JH, Baker JT, Phan KL, Ressler K, Han LKM, Nawijn L, Lebois LAM, Schmaal L, Densmore M, Shenton ME, van Zuiden M, Stein M, Fani N, Simons RM, Neufeld RWJ, Lanius R, van Rooij S, Koch SBJ, Bonomo S, Jovanovic T, deRoon-Cassini T, Ely TD, Magnotta VA, He X, Abdallah CG, Etkin A, Schmahl C, Larson C, Rosso IM, Blackford JU, Stevens JS, Daniels JK, Herzog J, Kaufman ML, Olff M, Davidson RJ, Sponheim SR, Mueller SC, Straube T, Zhu X, Neria Y, Baugh LA, Cole JH, Thompson PM, Morey RA. Assessment of brain age in posttraumatic stress disorder: Findings from the ENIGMA PTSD and brain age working groups. Brain And Behavior 2021, 12: e2413. PMID: 34907666, PMCID: PMC8785613, DOI: 10.1002/brb3.2413.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderEffects of PTSDBrain-PADBrain ageMale controlsOld maleStress disorderAge-related brain changesStructural magnetic resonance imagingBrain structural magnetic resonance imagingOlder age groupsMagnetic resonance imagingChronological ageSubset of controlsContext of PTSDControl subjectsBrain changesBrain agingFuture longitudinal researchTreatment approachesLinear mixed effects modelsAdult subjectsResonance imagingAge groupsPTSD assessment
2019
Accelerated DNA Methylation Aging in U.S. Military Veterans: Results From the National Health and Resilience in Veterans Study
Tamman AJF, Montalvo-Ortiz JL, Southwick SM, Krystal JH, Levy BR, Pietrzak RH. Accelerated DNA Methylation Aging in U.S. Military Veterans: Results From the National Health and Resilience in Veterans Study. American Journal Of Geriatric Psychiatry 2019, 27: 528-532. PMID: 30792041, DOI: 10.1016/j.jagp.2019.01.001.Peer-Reviewed Original ResearchConceptsNational HealthPsychosocial factorsVeterans StudyMale U.S. veteransLifetime trauma burdenAccelerated DNA methylation agingDNA methylation agingU.S. military veteransMethylation agingTrauma burdenU.S. veteransPrevention effortsAdditional correlatesNegative beliefsMilitary veteransSexual traumaVeteransTraumatic stressDNA methylationHealthChild sexual traumaBody massRepresentative sample
2016
Association Between Negative Age Stereotypes and Accelerated Cellular Aging: Evidence from Two Cohorts of Older Adults
Pietrzak RH, Zhu Y, Slade MD, Qi Q, Krystal JH, Southwick SM, Levy BR. Association Between Negative Age Stereotypes and Accelerated Cellular Aging: Evidence from Two Cohorts of Older Adults. Journal Of The American Geriatrics Society 2016, 64: e228-e230. PMID: 27641354, PMCID: PMC5118148, DOI: 10.1111/jgs.14452.Peer-Reviewed Original ResearchLate-life exacerbation of PTSD symptoms in US veterans: results from the National Health and Resilience in Veterans Study.
Mota N, Tsai J, Kirwin PD, Harpaz-Rotem I, Krystal JH, Southwick SM, Pietrzak RH. Late-life exacerbation of PTSD symptoms in US veterans: results from the National Health and Resilience in Veterans Study. The Journal Of Clinical Psychiatry 2016, 77: 348-54. PMID: 27046308, DOI: 10.4088/jcp.15m10101.Peer-Reviewed Original ResearchConceptsOlder US veteransPosttraumatic stress disorderUS veteransPTSD symptomsNational HealthVeterans StudyMultivariable logistic regression modelWorst traumaDelayed-onset posttraumatic stress disorderExecutive dysfunctionWave 2Population-based dataUS military veteransLogistic regression modelsWave 1Cohort studySignificant exacerbationGreater severitySymptomsOlder ageStress disorderSelf-reported cognitive difficultiesPotential targetMilitary veteransLater life
2000
Similarities in the Disturbances in Cortical Information Processing in Alcoholism and Aging: A Pilot Evoked Potential Study
Boutros N, Reid M, Petrakis I, Campbell D, Torello M, Krystal J. Similarities in the Disturbances in Cortical Information Processing in Alcoholism and Aging: A Pilot Evoked Potential Study. International Psychogeriatrics 2000, 12: 513-525. PMID: 11263717, DOI: 10.1017/s1041610200006621.Peer-Reviewed Original ResearchConceptsInformation processingCortical information processingSensory gatingPaired-click paradigmOlder healthy subjectsAlcohol dependenceSensory gating deficitsStimulus classificationNovel stimuliOddball paradigmHealthy individualsYoung healthy groupEvoked potential studiesDSM-IV criteriaPotential studiesHealthy subjectsGender-matched groupAged healthy individualsGender-matched healthy individualsGating deficitsMiddle-aged individualsPsychotic symptomsOlder groupProcessingAlcoholic patients