2024
Human brain state dynamics are highly reproducible and associated with neural and behavioral features
Lee K, Ji J, Fonteneau C, Berkovitch L, Rahmati M, Pan L, Repovš G, Krystal J, Murray J, Anticevic A. Human brain state dynamics are highly reproducible and associated with neural and behavioral features. PLOS Biology 2024, 22: e3002808. PMID: 39316635, PMCID: PMC11421804, DOI: 10.1371/journal.pbio.3002808.Peer-Reviewed Original ResearchConceptsCo-activation patternsResting-state functional magnetic resonance imagingFunctional magnetic resonance imagingBehavioral featuresNeural variationsMoment-to-moment changesSingle-subject levelBrain state dynamicsEmotion regulationHealthy young adultsBehavioral phenotypesCognitive functionSubstance useNeural activityNeuroimaging markersNeural featuresYoung adultsMagnetic resonance imagingCo-activationResonance imagingCo-variationNeuroimagingIndividualsEmotionsFunctional outcomes
2019
In vivo evidence for dysregulation of mGluR5 as a biomarker of suicidal ideation
Davis MT, Hillmer A, Holmes SE, Pietrzak RH, DellaGioia N, Nabulsi N, Matuskey D, Angarita G, Carson RE, Krystal JH, Esterlis I. In vivo evidence for dysregulation of mGluR5 as a biomarker of suicidal ideation. Proceedings Of The National Academy Of Sciences Of The United States Of America 2019, 116: 11490-11495. PMID: 31085640, PMCID: PMC6561298, DOI: 10.1073/pnas.1818871116.Peer-Reviewed Original ResearchConceptsMGluR5 availabilitySuicidal ideationHC individualsPathophysiology of PTSDLimbic brain regionsVolume of distributionHealthy comparison controlsSuicide risk managementPositron emission tomographyReceptor 5Venous input functionsBrain regionsPTSD individualsEmission tomographyMDD individualsVivo evidenceRecent evidencePotential roleMGluR5PTSDComparison controlsDysregulationMDDIdeationIndividuals
2018
Predicting Barriers to Treatment for Depression in a U.S. National Sample: A Cross-Sectional, Proof-of-Concept Study
Chekroud AM, Foster D, Zheutlin AB, Gerhard DM, Roy B, Koutsouleris N, Chandra A, Esposti MD, Subramanyan G, Gueorguieva R, Paulus M, Krystal JH. Predicting Barriers to Treatment for Depression in a U.S. National Sample: A Cross-Sectional, Proof-of-Concept Study. Psychiatric Services 2018, 69: 927-934. PMID: 29962307, PMCID: PMC7232987, DOI: 10.1176/appi.ps.201800094.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overCross-Sectional StudiesDepressive DisorderFemaleHealth Services AccessibilityHumansLogistic ModelsMaleMiddle AgedPatient Acceptance of Health CarePrimary Health CareProof of Concept StudyPsychotherapySampling StudiesSelf-AssessmentSurveys and QuestionnairesTreatment RefusalUnited StatesYoung AdultConceptsDiagnosis of depressionHealth care providersSelf-report survey itemsImplementation of interventionsDerivation cohortUntreated depressionCare providersEffective treatmentU.S. national sampleDrug useDepressionDiagnosisTreatmentU.S. National SurveyPatientsCohortNational surveyNational sampleConcept studySurvey itemsBalanced accuracyIndividualsRetention rateIndependent responsesPrevalence
2017
DNA methylation signatures of illicit drug injection and hepatitis C are associated with HIV frailty
Zhang X, Hu Y, Justice AC, Li B, Wang Z, Zhao H, Krystal JH, Xu K. DNA methylation signatures of illicit drug injection and hepatitis C are associated with HIV frailty. Nature Communications 2017, 8: 2243. PMID: 29269866, PMCID: PMC5740109, DOI: 10.1038/s41467-017-02326-1.Peer-Reviewed Original ResearchConceptsIllicit drug injectionHepatitis C infectionWhite blood cellsIllicit drug useCo-occurring conditionsMethylation signaturesDiscovery sampleC infectionHepatitis CEpigenome-wide association analysisLower frailtyDrug injectionHigh frailtyImmune functionHealth outcomesDrug useFrailtyDNA methylation signaturesBlood cellsHIVReplication sampleEpigenetic programmingSignificant CpGsEpigenetic effectsIndividuals
2008
Blunted Psychotomimetic and Amnestic Effects of Δ-9-Tetrahydrocannabinol in Frequent Users of Cannabis
D'Souza DC, Ranganathan M, Braley G, Gueorguieva R, Zimolo Z, Cooper T, Perry E, Krystal J. Blunted Psychotomimetic and Amnestic Effects of Δ-9-Tetrahydrocannabinol in Frequent Users of Cannabis. Neuropsychopharmacology 2008, 33: 2505-2516. PMID: 18185500, PMCID: PMC3799954, DOI: 10.1038/sj.npp.1301643.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAmnesiaAttentionBrainDose-Response Relationship, DrugDouble-Blind MethodDronabinolDrug Administration ScheduleDrug ToleranceFemaleHallucinationsHallucinogensHumansHydrocortisoneMaleMarijuana AbuseMiddle AgedPerceptual DisordersProlactinPsychoses, Substance-InducedTachycardiaYoung AdultConceptsAmnestic effectsPerceptual alterationsDelta-9-TetrahydrocannabinolCannabis useSubjective effectsFrequent usersCannabisEffects of cannabinoidsIllicit substancesPsychotomimetic effectsEuphoric effectsHealthy controlsHealthy individualsMemoryImpairingPsychosisDose-related effectsIndividualsCortisolPsychotomimeticsAttentionPeopleUsersPlacebo-controlled studyEffect
2004
The Psychotomimetic Effects of Intravenous Delta-9-Tetrahydrocannabinol in Healthy Individuals: Implications for Psychosis
D'Souza DC, Perry E, MacDougall L, Ammerman Y, Cooper T, Wu YT, Braley G, Gueorguieva R, Krystal JH. The Psychotomimetic Effects of Intravenous Delta-9-Tetrahydrocannabinol in Healthy Individuals: Implications for Psychosis. Neuropsychopharmacology 2004, 29: 1558-1572. PMID: 15173844, DOI: 10.1038/sj.npp.1300496.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnxietyArousalAttentionBehaviorCognitionDose-Response Relationship, DrugDouble-Blind MethodDronabinolFemaleHallucinogensHemodynamicsHumansHydrocortisoneInjections, IntravenousMaleMemory, Short-TermMental RecallPanicProlactinPsychiatric Status Rating ScalesPsychometricsPsychoses, Substance-InducedSpeechVerbal LearningConceptsCannabinoid receptor functionWord recallRecognition recallVerbal fluencyCognitive deficitsProspective safety dataNegative symptomsAbuse disordersHealthy individualsCounterbalanced studyMonths poststudyRecallPsychotomimetic effectsPsychotic disordersReceptor functionPsychosisEndogenous psychosesIndividualsDistractibilityFluencyTransient symptomsDisordersEndocrine effectsSafety dataAnxiety
2003
Reactions to and memories for the September 11, 2001 terrorist attacks in adults with posttraumatic stress disorder
Qin J, Mitchell K, Johnson M, Krystal J, Southwick S, Rasmusson A, Allen E. Reactions to and memories for the September 11, 2001 terrorist attacks in adults with posttraumatic stress disorder. Applied Cognitive Psychology 2003, 17: 1081-1097. DOI: 10.1002/acp.987.Peer-Reviewed Original ResearchPosttraumatic stress disorderEvent memoryPTSD participantsAccelerated memory declineSubsequent memorySignificant forgettingAutobiographical memoryTrauma control groupPTSD groupEmotional reactionsMemory declineStress disorderEmotional aspectsControl participantsMemoryFactual detailsSubject comparisonsParticipantsForgettingVeteran statusTerrorist attacksIndividualsDisordersClientsMeasures
2002
The Effect of Tryptophan Depletion on Alcohol Self-Administration in Non-Treatment-Seeking Alcoholic Individuals
Petrakis I, Buonopane A, O???Malley S, Cermik O, Trevisan L, Boutros N, Limoncelli D, Krystal J. The Effect of Tryptophan Depletion on Alcohol Self-Administration in Non-Treatment-Seeking Alcoholic Individuals. Alcohol Clinical And Experimental Research 2002, 26: 969-975. DOI: 10.1097/00000374-200207000-00005.Peer-Reviewed Original Research
1996
Recent Developments in the Neurobiology of Dissociation
Krystal J, Bennett A, Bremner J, Southwick S, Charney D. Recent Developments in the Neurobiology of Dissociation. 1996, 163-190. DOI: 10.1007/978-1-4899-0310-5_8.Peer-Reviewed Original ResearchPost-traumatic stress disorderTraumatic stress responseDissociative statesTime perceptionTerm dissociationStress disorderSingle symptom clusterSubjective experienceSymptom clustersSensory perceptionFugue statesMultiple personalityConversion symptomsPerceptionIdentity functionBroad arrayDepersonalizationParticular symptomsMemoryPersonalitySymptomsAmnesiaNeurobiologyDerealizationIndividuals