2024
The human claustrum tracks slow waves during sleep
Lamsam L, Gu B, Liang M, Sun G, Khan K, Sheth K, Hirsch L, Pittenger C, Kaye A, Krystal J, Damisah E. The human claustrum tracks slow waves during sleep. Nature Communications 2024, 15: 8964. PMID: 39419999, PMCID: PMC11487173, DOI: 10.1038/s41467-024-53477-x.Peer-Reviewed Original Research
2019
A Unique Brain Connectome Fingerprint Predates and Predicts Response to Antidepressants
Nemati S, Akiki TJ, Roscoe J, Ju Y, Averill CL, Fouda S, Dutta A, McKie S, Krystal JH, Deakin JFW, Averill LA, Abdallah CG. A Unique Brain Connectome Fingerprint Predates and Predicts Response to Antidepressants. IScience 2019, 23: 100800. PMID: 31918047, PMCID: PMC6992944, DOI: 10.1016/j.isci.2019.100800.Peer-Reviewed Original ResearchMonoaminergic antidepressantsAcute neurochemical effectsMechanism of actionMonoaminergic actionsBrain functional connectomeNeurochemical effectsTherapeutic effectAntidepressantsConnectomics signaturesEarly changesBrain functionConnectome fingerprintFunctional connectomeConnectivity architectureDiseaseWeeksMonthsResponseA multicenter study of ketamine effects on functional connectivity: Large scale network relationships, hubs and symptom mechanisms
Fleming LM, Javitt DC, Carter CS, Kantrowitz JT, Girgis RR, Kegeles LS, Ragland JD, Maddock RJ, Lesh TA, Tanase C, Robinson J, Potter WZ, Carlson M, Wall MM, Choo TH, Grinband J, Lieberman J, Krystal JH, Corlett PR. A multicenter study of ketamine effects on functional connectivity: Large scale network relationships, hubs and symptom mechanisms. NeuroImage Clinical 2019, 22: 101739. PMID: 30852397, PMCID: PMC6411494, DOI: 10.1016/j.nicl.2019.101739.Peer-Reviewed Original ResearchConceptsDorsolateral prefrontal cortexN-methyl-D-aspartate (NMDA) glutamate receptor antagonistFunctional connectivityKetamine-induced alterationsGlutamate receptor antagonistsAltered brain functionState functional connectivityRsfMRI connectivityRisk patientsMulticenter studyKetamine effectsReceptor antagonistDLPFC connectivityMimic symptomsHealthy individualsKetamine usePositive symptomsCertain biomarkersBrain functionPrefrontal cortexPatientsConnectivity signaturesSeed-based measuresSchizophreniaKetamine
2018
The Neurobiology and Pharmacotherapy of Posttraumatic Stress Disorder
Abdallah CG, Averill LA, Akiki TJ, Raza M, Averill CL, Gomaa H, Adikey A, Krystal JH. The Neurobiology and Pharmacotherapy of Posttraumatic Stress Disorder. The Annual Review Of Pharmacology And Toxicology 2018, 59: 171-189. PMID: 30216745, PMCID: PMC6326888, DOI: 10.1146/annurev-pharmtox-010818-021701.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderStress disorderTreatment of PTSDBiology of PTSDExert complex effectsBrain functionNeurobiologySynaptic gainPathology modelRapid-acting antidepressantsBroader frameworkDisordersWordsPutative mechanismsDysconnectivitySynaptic lossPharmacotherapeutic optionsClinical efficacyCompelling efficacyPerspectiveAntidepressantsDrug developmentComplex effectsPathologyEfficacy
2014
Going up in smoke? A review of nAChRs-based treatment strategies for improving cognition in schizophrenia.
Boggs DL, Carlson J, Cortes-Briones J, Krystal JH, D'Souza DC. Going up in smoke? A review of nAChRs-based treatment strategies for improving cognition in schizophrenia. Current Pharmaceutical Design 2014, 20: 5077-92. PMID: 24345265, PMCID: PMC4442779, DOI: 10.2174/1381612819666131216121019.Peer-Reviewed Original ResearchConceptsCognitive impairmentStandardized cognitive test batteryCognitive test batteryInformation processing impairmentsNicotinic medicationsProcessing impairmentsCore deficitAttentional deficitsTest batteryCognitive deficitsProximal measuresBrain functionCognitionSchizophreniaDeficitsImpairmentNumber of medicationsNicotinic acetylcholine receptorsCertain symptomsConsistent improvementClinical evidenceTreatment strategiesClinical studiesNicotinic receptorsClinical utility
2011
Cognitive Neuroscience Treatment Research to Improve Cognition in Schizophrenia II: Developing Imaging Biomarkers to Enhance Treatment Development for Schizophrenia and Related Disorders
Carter CS, Barch DM, Bullmore E, Breiling J, Buchanan RW, Butler P, Cohen JD, Geyer M, Gollub R, Green MF, Jaeger J, Krystal JH, Moore H, Nuechterlein K, Robbins T, Silverstein S, Smith EE, Strauss M, Wykes T. Cognitive Neuroscience Treatment Research to Improve Cognition in Schizophrenia II: Developing Imaging Biomarkers to Enhance Treatment Development for Schizophrenia and Related Disorders. Biological Psychiatry 2011, 70: 7-12. PMID: 21529781, PMCID: PMC3116022, DOI: 10.1016/j.biopsych.2011.01.041.Peer-Reviewed Original ResearchConceptsCognitive Neuroscience Treatment ResearchTreatment researchCognitive neuroscienceTreatment developmentFunctional magnetic resonance imagingSchizophrenia (MATRICS) initiativeSchizophrenia IIPotential confoundsImpaired cognitionCognitionNeural systemsNeural activityPsychometric propertiesMental healthBrain functionTranscranial magnetic simulationNeuroscienceTreatment effectsSchizophreniaMulticenter phase IITranslational researchImproved animal modelsPragmatic issuesBiological psychiatryMagnetic resonance imaging
2010
Toward a neurobiology of delusions
Corlett PR, Taylor JR, Wang X, Fletcher PC, Krystal JH. Toward a neurobiology of delusions. Progress In Neurobiology 2010, 92: 345-369. PMID: 20558235, PMCID: PMC3676875, DOI: 10.1016/j.pneurobio.2010.06.007.Peer-Reviewed Original ResearchConceptsFundamental brain mechanismsFronto-striatal circuitsTerms of cognitionPsychological processesBrain mechanismsComputational mechanismsCortical hierarchyPrediction errorSocial learningParietal cortexExternal worldBrain circuitsNeurobiological abnormalitiesNeurobiology of delusionsBrain functionHierarchical predictionBodily agencyDelusionsMemoryReinforcement learningPerceptionMental illnessTranslational understandingLearningCognition
2004
Nicotine effects on brain function and functional connectivity in schizophrenia
Jacobsen LK, D'Souza DC, Mencl WE, Pugh KR, Skudlarski P, Krystal JH. Nicotine effects on brain function and functional connectivity in schizophrenia. Biological Psychiatry 2004, 55: 850-858. PMID: 15050867, DOI: 10.1016/j.biopsych.2003.12.023.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnalysis of VarianceAttentionBrainBrain MappingBrief Psychiatric Rating ScaleCase-Control StudiesFemaleHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMemory, Short-TermMiddle AgedNeuropsychological TestsNicotineNicotinic AgonistsReaction TimeRegression AnalysisSchizophreniaSmokeTask Performance and AnalysisVerbal LearningConceptsTask performanceFunctional connectivityFunctional magnetic resonance imaging (fMRI) scanningBrain regionsN-back taskMultiple cognitive domainsNetwork of regionsDifficult task conditionsAnterior cingulate cortexAttention loadMemory loadSelective attentionCognitive domainsTask conditionsCognitive functionCingulate cortexThalamocortical functional connectivityNicotine effectsCognitive dysfunctionBrain functionSchizophrenia patientsControl subjectsSchizophrenic subjectsMagnetic resonance imaging (MRI) scanningMental illness
2003
Preliminary evidence of hippocampal dysfunction in adolescent MDMA (“ecstasy”) users: possible relationship to neurotoxic effects
Jacobsen LK, Mencl WE, Pugh KR, Skudlarski P, Krystal JH. Preliminary evidence of hippocampal dysfunction in adolescent MDMA (“ecstasy”) users: possible relationship to neurotoxic effects. Psychopharmacology 2003, 173: 383-390. PMID: 14647960, DOI: 10.1007/s00213-003-1679-4.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingMDMA usersCognitive deficitsMDMA useBrain functionDivided attentionMemory taskMemory loadResultsMDMA usersLeft hippocampusHippocampal dysfunctionSubstance useCognitive impairmentAdolescencePreliminary evidenceReaction timeDevelopmental impactPilot sampleDeficitsMDMAMagnetic resonance imagingIQAttentionMemoryHippocampus
2001
NMDA receptor regulation of memory and behavior in humans
Newcomer J, Krystal J. NMDA receptor regulation of memory and behavior in humans. Hippocampus 2001, 11: 529-542. PMID: 11732706, DOI: 10.1002/hipo.1069.Peer-Reviewed Original ResearchConceptsNMDA receptor hypofunctionReceptor hypofunctionN-methyl-D-aspartate (NMDA) receptor hypofunctionNMDA receptor antagonist drugsNMDA receptor systemAge-related decreaseNMDA receptor regulationReceptor antagonist drugsClinical syndromeNeuropathological featuresNMDA antagonistsNMDA receptorsNeurotoxic processesAntagonist drugsAdult brainHypofunctionBehavioral dysfunctionHuman studiesRange of effectsReceptor regulationReceptor systemBrain functionBrain ageAdverse effectsDisease conditions
1999
Glutamate and post-traumatic stress disorder: toward a psychobiology of dissociation.
Chambers RA, Bremner JD, Moghaddam B, Southwick SM, Charney DS, Krystal JH. Glutamate and post-traumatic stress disorder: toward a psychobiology of dissociation. Seminars In Clinical Neuropsychiatry 1999, 4: 274-81. PMID: 10553033, DOI: 10.153/scnp00400274.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderGlutamate releaseNMDA antagonistsStress disorderN-methyl-D-aspartate (NMDA) subtypeDevelopment of PTSDDissociative symptomsStress exposureRecent preclinical dataTraumatic stress exposureHyperglutamatergic stateNeuroprotective potentialPreclinical dataNeural toxicityClinical studiesGlutamate receptorsTraumatized individualsPerceptual effectsPerceptual alterationsNeural plasticityAntagonistBrain functionSymptomsInfluence behaviorDrugs
1996
Noradrenergic mechanisms in stress and anxiety: I. preclinical studies
Bremner J, Krystal J, Southwick S, Charney D. Noradrenergic mechanisms in stress and anxiety: I. preclinical studies. Synapse 1996, 23: 28-38. PMID: 8723133, DOI: 10.1002/(sici)1098-2396(199605)23:1<28::aid-syn4>3.0.co;2-j.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderBrain regionsNoradrenergic brain systemsMultiple subcortical areasConsiderable preclinical evidenceLocus coeruleusBrain systemsNeural mechanismsStress disorderTarget brain regionsBehavioral manifestationsBrain functionPanic disorderStress exposureChronic stress resultsTurnover of norepinephrineSubcortical areasAnxietyPsychiatric disordersNoradrenergic systemLong-term alterationsNoradrenergic mechanismsNoradrenergic neuronsNorepinephrine releasePreclinical evidence
1995
Opiate Dependence and Withdrawal: Preliminary Assessment Using Single Photon Emission Computerized Tomography (SPECT)
Krystal J, Woods S, Kosten T, Rosen M, Seibyl J, Van Dyck C, Price L, Zubal I, Hoffer P, Charney D. Opiate Dependence and Withdrawal: Preliminary Assessment Using Single Photon Emission Computerized Tomography (SPECT). The American Journal Of Drug And Alcohol Abuse 1995, 21: 47-63. PMID: 7762544, DOI: 10.3109/00952999509095229.Peer-Reviewed Original ResearchConceptsRegional brain functionOpiate withdrawal signsSingle Photon Emission Computerized TomographyHealthy subjectsNaloxone administrationOpiate withdrawalOpiate dependenceBrain functionParietal cortexHexamethylpropyleneamine oximeWithdrawal signsNaloxone effectChronic opiate dependencePlacebo-controlled studyRegional alterationsComparison of patientsMethadone-maintained patientsRegional cerebral perfusionPhoton Emission Computerized TomographyOpiate-dependent patientsRight temporal cortexRight parietal cortexFunctional brain imaging technologiesSingle photon emissionEmission computerized tomography