2019
Cue-elicited craving, thalamic activity, and physiological arousal in adult non-dependent drinkers
Wang W, Zhornitsky S, Le TM, Dhingra I, Zhang S, Krystal JH, Li CR. Cue-elicited craving, thalamic activity, and physiological arousal in adult non-dependent drinkers. Journal Of Psychiatric Research 2019, 116: 74-82. PMID: 31202048, PMCID: PMC6606341, DOI: 10.1016/j.jpsychires.2019.06.005.Peer-Reviewed Original ResearchConceptsSkin conductance responsesPhysiological arousalThalamic activityNeural processesNeutral cue exposureMediation analysisHigher skin conductance responsesCue exposure paradigmCue-related activationsCue-elicited cravingCue-elicited drugNon-dependent drinkersImportant sex differencesSkin conductance dataPharmacological therapyAlcohol drinkersNeural targetsAlcohol cravingExposure paradigmCue exposureNeural correlatesNeural basisConductance responsesWomenCue activity
2016
Glutamate and norepinephrine interaction: Relevance to higher cognitive operations and psychopathology
Abdallah CG, Averill LA, Krystal JH, Southwick SM, Arnsten AF. Glutamate and norepinephrine interaction: Relevance to higher cognitive operations and psychopathology. Behavioral And Brain Sciences 2016, 39: e201. PMID: 28347382, PMCID: PMC5485236, DOI: 10.1017/s0140525x15001727.Peer-Reviewed Original Research
2014
Elucidating the transdiagnostic dimensional structure of trauma-related psychopathology: Findings from VA cooperative study 504 – risperidone treatment for military service related chronic post traumatic stress disorder
Pietrzak RH, Rosenheck RA, Cramer JA, Vessichio JC, Tsai J, Southwick SM, Krystal JH, Group F. Elucidating the transdiagnostic dimensional structure of trauma-related psychopathology: Findings from VA cooperative study 504 – risperidone treatment for military service related chronic post traumatic stress disorder. Journal Of Affective Disorders 2014, 172: 331-336. PMID: 25451434, DOI: 10.1016/j.jad.2014.10.025.Peer-Reviewed Original Research
2010
Characterization of the Interactive Effects of Glycine and D-Cycloserine in Men: Further Evidence for Enhanced NMDA Receptor Function Associated with Human Alcohol Dependence
Krystal JH, Petrakis IL, Limoncelli D, Nappi SK, Trevisan L, Pittman B, D'Souza DC. Characterization of the Interactive Effects of Glycine and D-Cycloserine in Men: Further Evidence for Enhanced NMDA Receptor Function Associated with Human Alcohol Dependence. Neuropsychopharmacology 2010, 36: 701-710. PMID: 21124304, PMCID: PMC3055693, DOI: 10.1038/npp.2010.203.Peer-Reviewed Original ResearchConceptsNMDA receptor functionAlcohol-dependent patientsHuman alcohol dependenceAntagonist-like effectsReceptor functionReceptor antagonistDCS effectsD-cycloserineAlcohol-like effectsAlcohol dependenceNMDA glutamate receptor functionN-methyl-D-aspartate (NMDA) glutamate receptor antagonistStandard alcohol drinksGlutamate receptor antagonistsChronic alcohol consumptionDouble-blind conditionsNMDA receptor antagonistAlcohol-dependent menGlutamate receptor functionAlcohol-dependent animalsPlasma levelsGlycine administrationGlycine levelsNMDA receptorsCoagonist site
2007
Luteal-Phase Accentuation of Acoustic Startle Response in Women with Premenstrual Dysphoric Disorder
Epperson CN, Pittman B, Czarkowski KA, Stiklus S, Krystal JH, Grillon C. Luteal-Phase Accentuation of Acoustic Startle Response in Women with Premenstrual Dysphoric Disorder. Neuropsychopharmacology 2007, 32: 2190-2198. PMID: 17314917, PMCID: PMC2713599, DOI: 10.1038/sj.npp.1301351.Peer-Reviewed Original ResearchConceptsPremenstrual dysphoric disorderMenstrual cycle phaseMenstrual cycleHealthy womenFollicular phaseDysphoric disorderLuteal phasePhysiologic responsesMenstrual cycle-related fluctuationsStartle magnitudeCentral nervous system responseHealthy menstruating womenAcoustic startle responseAcoustic startle paradigmNervous system responsesPowerful modulatory effectsStartle response magnitudeVisual affective stimuliNeuroactive steroidsMenstruating womenASR magnitudeModulatory effectsCycle phaseNeuroendocrine milieuAcoustic startle response magnitudesAntiglutamatergic Strategies for Ethanol Detoxification: Comparison With Placebo and Diazepam
Krupitsky EM, Rudenko AA, Burakov AM, Slavina TY, Grinenko AA, Pittman B, Gueorguieva R, Petrakis IL, Zvartau EE, Krystal JH. Antiglutamatergic Strategies for Ethanol Detoxification: Comparison With Placebo and Diazepam. Alcohol Clinical And Experimental Research 2007, 31: 604-611. PMID: 17374039, DOI: 10.1111/j.1530-0277.2007.00344.x.Peer-Reviewed Original ResearchConceptsAlcohol withdrawal symptomsWithdrawal symptomsActive medicationAlcohol withdrawalGlutamatergic activationEthanol detoxificationAspartate glutamate receptor antagonistGlutamate release inhibitorGlutamate receptor antagonistsMale alcohol-dependent inpatientsAdditional diazepamDiazepam administrationClinical evidenceStandard pharmacotherapyReceptor antagonistAlcohol-dependent inpatientsRelease inhibitorEthanol dependenceAlcohol abstinenceGlutamate receptorsReceptor inhibitorsWithdrawal severityPlaceboMedicationsNew treatments
2006
Enhanced Sensitivity to the Euphoric Effects of Alcohol in Schizophrenia
D'Souza DC, Gil RB, Madonick S, Perry EB, Forselius-Bielen K, Braley G, Donahue L, Tellioglu T, Zimolo Z, Gueorguieva R, Krystal JH. Enhanced Sensitivity to the Euphoric Effects of Alcohol in Schizophrenia. Neuropsychopharmacology 2006, 31: 2767-2775. PMID: 16985503, DOI: 10.1038/sj.npp.1301207.Peer-Reviewed Original ResearchConceptsEffects of alcoholHealthy subjectsBlood alcohol levelsPositive psychotic symptomsSmall transient increaseSelf-medication hypothesisPerceptual alterationsAlcohol administrationMotor functionAlcohol dosesElevated riskPsychotic symptomsLifetime exposureSchizophrenia patientsSchizophrenia symptomsEuphoric effectsNegative symptomsAlcohol levelsAlcohol useStimulatory effectSubjective effectsTransient increaseSchizophreniaStimulatory responseAlcohol responses
2005
Delta-9-tetrahydrocannabinol effects in schizophrenia: Implications for cognition, psychosis, and addiction
D’Souza D, Abi-Saab WM, Madonick S, Forselius-Bielen K, Doersch A, Braley G, Gueorguieva R, Cooper TB, Krystal JH. Delta-9-tetrahydrocannabinol effects in schizophrenia: Implications for cognition, psychosis, and addiction. Biological Psychiatry 2005, 57: 594-608. PMID: 15780846, DOI: 10.1016/j.biopsych.2004.12.006.Peer-Reviewed Original ResearchMeSH KeywordsAdultAkathisia, Drug-InducedArousalCognitionDose-Response Relationship, DrugDouble-Blind MethodDronabinolEndocrine SystemFemaleHumansInjections, IntravenousMaleMental RecallMiddle AgedMotor ActivityNeuropsychological TestsPerceptionPsychiatric Status Rating ScalesPsychotic DisordersPsychotropic DrugsSchizophreniaVerbal LearningConceptsSchizophrenia patientsAntipsychotic-treated schizophrenia patientsDelta-9-tetrahydrocannabinol effectsLong-term adverse eventsCognitive deficitsPlacebo-controlled studyDelta-9-THCTransient exacerbationAdverse eventsReceptor dysfunctionEndocrine effectsHealthy subjectsStudy participationPsychotic disordersPlasma prolactinSchizophrenia symptomsPatientsSchizophreniaCognitive effectsPerceptual alterationsDeficitsCannabisSubjectsAkathisiaExacerbation
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
2000
Cocaine use and the mid-latency auditory evoked responses
Boutros N, Campbell D, Petrakis I, Krystal J, Caporale M, Kosten T. Cocaine use and the mid-latency auditory evoked responses. Psychiatry Research 2000, 96: 117-126. PMID: 11063784, DOI: 10.1016/s0165-1781(00)00207-9.Peer-Reviewed Original ResearchConceptsCocaine-dependent subjectsInter-stimulus intervalMid-latency auditoryAge-matched healthy control subjectsCocaine useHealthy control subjectsDifferent inter-stimulus intervalsChronic cocaine useLong inter-stimulus intervalsPaired-click paradigmControl subjectsP50 componentN100 componentSignificant decreaseSubjectsAuditoryResponse paradigmDissociation of ketamine effects on rule acquisition and rule implementation: possible relevance to NMDA receptor contributions to executive cognitive functions
Krystal J, Bennett A, Abi-Saab D, Belger A, Karper L, D’Souza D, Lipschitz D, Abi-Dargham A, Charney D. Dissociation of ketamine effects on rule acquisition and rule implementation: possible relevance to NMDA receptor contributions to executive cognitive functions. Biological Psychiatry 2000, 47: 137-143. PMID: 10664830, PMCID: PMC10060085, DOI: 10.1016/s0006-3223(99)00097-9.Peer-Reviewed Original ResearchConceptsExecutive cognitive functionSecond test dayPerseverative errorsWCST performanceCognitive functionTest daySecond studyExecutive componentTask repetitionAltered perceptionWCSTNMDA antagonist ketamineNegative symptomsFrontal cortexRule acquisitionTest changesFirst studySingle repetitionKetamine effectsRepetitionTotal errorDistractibilityReceptor contributionNMDA receptor contributionRecall
1998
Interactive effects of subanesthetic ketamine and subhypnotic lorazepam in humans
Krystal J, Karper L, Bennett A, D’Souza D, Abi-Dargham A, Morrissey K, Abi-Saab D, Bremner J, Bowers Jr. M, Suckow R, Stetson P, Heninger G, Charney D. Interactive effects of subanesthetic ketamine and subhypnotic lorazepam in humans. Psychopharmacology 1998, 135: 213-229. PMID: 9498724, DOI: 10.1007/s002130050503.Peer-Reviewed Original ResearchConceptsWisconsin Card Sorting TestClinician-Administered Dissociative States ScalePerceptual alterationsAmnestic effectsInteractive effectsCard Sorting TestBrief Psychiatric Rating ScaleAttention impairmentSorting TestPerceptual effectsProverb interpretationEmotional distressDissociative effectsCortical impairmentNegative symptomsState scaleBehavioral effectsTest dayPsychiatric Rating ScaleLorazepam 2ImpairmentRating ScaleSubanesthetic ketamineHealthy humansPlacebo 2
1997
Effect of alpha-methyl-para-tyrosine on response to cocaine challenge
Stine S, Krystal J, Petrakis I, Jatlow P, Heninger G, Kosten T, Chamey D. Effect of alpha-methyl-para-tyrosine on response to cocaine challenge. Biological Psychiatry 1997, 42: 181-190. PMID: 9232210, DOI: 10.1016/s0006-3223(96)00331-9.Peer-Reviewed Original ResearchConceptsDopamine metabolite homovanillic acidCocaine-induced euphoriaNorepinephrine metabolite 3Placebo-controlled studyBlood pressure responseMetabolite homovanillic acidReduced plasma levelsTyrosine hydroxylase inhibitorSerum cocaine levelsTuberoinfundibular dopamine systemAMPT pretreatmentAcute reductionIntranasal administrationPara-tyrosinePlasma levelsProlactin levelsCocaine challengeHomovanillic acidCatecholamine synthesisHeart rateHydroxylase inhibitorAlpha-methylDopamine systemCocaine levelsTherapeutic potentialElevated CSF corticotropin-releasing factor concentrations in posttraumatic stress disorder
Bremner JD, Licinio J, Darnell A, Krystal JH, Owens MJ, Southwick SM, Nemeroff CB, Charney DS. Elevated CSF corticotropin-releasing factor concentrations in posttraumatic stress disorder. American Journal Of Psychiatry 1997, 154: 624-629. PMID: 9137116, PMCID: PMC3233756, DOI: 10.1176/ajp.154.5.624.Peer-Reviewed Original ResearchConceptsCorticotropin-releasing factorPost-traumatic stress disorderCSF CRF concentrationsCSF concentrationsComparison subjectsCRF concentrationsPTSD patientsCorticotropin-releasing factor concentrationsStress disorderCSF somatostatin concentrationsChronic combat-related post-traumatic stress disorderCollection of CSFCombat-related post-traumatic stress disorderPosttraumatic stress disorderLumbar punctureSomatostatin concentrationsNeurotransmitter systemsPatientsVietnam combat veteransChronic stressFactor concentrationsLevel of significanceGroup differencesCombat veteransSomatostatin
1996
Preliminary evidence of an association between sensorimotor gating and distractibility in psychosis
Karper LP, Freeman GK, Grillon C, Morgan CA, Charney DS, Krystal JH. Preliminary evidence of an association between sensorimotor gating and distractibility in psychosis. Journal Of Neuropsychiatry 1996, 8: 60-66. PMID: 8845703, DOI: 10.1176/jnp.8.1.60.Peer-Reviewed Original ResearchConceptsSensory gatingChronic psychotic patientsAcoustic startle reflexLateralized attentionImpaired sensory gatingPosner testSensorimotor gatingPsychotic patientsContinuous Performance TestStartle reflexInformation-processing deficitsDistractibility tasksPreliminary evidenceDistractibilityTask scores
1995
Effects of the benzodiazepine antagonist flumazenil in PTSD
Randall P, Bremner J, Krystal J, Nagy L, Heninger G, Nicolaou A, Charney D. Effects of the benzodiazepine antagonist flumazenil in PTSD. Biological Psychiatry 1995, 38: 319-324. PMID: 7495926, DOI: 10.1016/0006-3223(94)00306-n.Peer-Reviewed Original ResearchConceptsVisual analogue rating scaleAdministration of flumazenilAnxiety symptomsCrossover study designBenzodiazepine antagonist flumazenilGABAA receptor complexBenzodiazepine/GABAA receptor complexPanic disorder patientsAnalogue rating scalesFlumazenil administrationPTSD Symptom ScaleIntravenous infusionAntagonist flumazenilGABAA antagonistHealthy controlsClinical studiesDisorder patientsSymptom ScaleFlumazenilPanic disorderPanic attacksVietnam combat veteransStudy designRating ScalePTSD symptomsEffects of tryptophan depletion on responses to yohimbine in healthy human subjects
Goddard A, Charney D, Germine M, Woods S, Heninger G, Krystal J, Goodman W, Price L. Effects of tryptophan depletion on responses to yohimbine in healthy human subjects. Biological Psychiatry 1995, 38: 74-85. PMID: 7578653, DOI: 10.1016/0006-3223(94)00223-p.Peer-Reviewed Original ResearchConceptsHealthy human subjectsTryptophan depletionAlpha-2 adrenergic antagonist yohimbinePlacebo-controlled challenge testHuman subjectsAntagonist yohimbineNeurotransmitter systemsSerotonin systemChallenge testPossible functional interactionBiochemical variablesWhole groupFeelings of nervousnessNE functionMarked increaseNorepinephrineConsiderable evidenceFear responsesSubjectsHuman anxietyNervousnessCombination testControl testsFunctional interactionUnique changes
1994
Psychobiologic Research in Post-Traumatic Stress Disorder
Southwick S, Bremner D, Krystal J, Charney D. Psychobiologic Research in Post-Traumatic Stress Disorder. Psychiatric Clinics Of North America 1994, 17: 251-264. PMID: 7937357, DOI: 10.1016/s0193-953x(18)30112-6.Peer-Reviewed Original ResearchConceptsNeurobiologic responsesCentral nervous system depressantsCentral catecholamine functionPeripheral nervous systemPost-traumatic stress disorderSymptoms of hyperarousalSevere psychological traumaCatecholamine functionOriginal insultNoradrenergic systemMultiple symptomsDevastating disorderEffective treatmentNervous systemPTSD patientsBiologic underpinningsStress-induced changesStress disorderPhysical healthBrain imagingBiologic responseDisordersPatientsPsychological disordersPTSD
1992
Startle gating deficits occur across prepulse intensities in schizophrenic patients
Grillon C, Ameli R, Charney D, Krystal J, Braff D. Startle gating deficits occur across prepulse intensities in schizophrenic patients. Biological Psychiatry 1992, 32: 939-943. PMID: 1467378, DOI: 10.1016/0006-3223(92)90183-z.Peer-Reviewed Original ResearchConceptsPrepulse inhibitionPrepulse stimulusSchizophrenic patientsStartle reflexControl groupStartle gating deficitsCentral inhibitory mechanismsDeficient prepulse inhibitionGating deficitsStartling stimulusNormal controlsPatientsReflexPrepulse intensityInhibitory mechanismFurther studiesStimuliInhibitionGroupNoradrenergic neuronal dysregulation in panic disorder: the effects of intravenous yohimbine and clonidine in panic disorder patients
Charney DS, Woods SW, Krystal JH, Nagy LM, Heninger GR. Noradrenergic neuronal dysregulation in panic disorder: the effects of intravenous yohimbine and clonidine in panic disorder patients. Acta Psychiatrica Scandinavica 1992, 86: 273-282. PMID: 1333719, DOI: 10.1111/j.1600-0447.1992.tb03266.x.Peer-Reviewed Original ResearchConceptsPanic disorder patientsDisorder patientsPanic disorderIntravenous yohimbineHealthy subjectsYohimbine-induced panic attacksClonidine-induced decreaseYohimbine-induced increasesGrowth hormone responseNeuronal dysregulationCardiovascular effectsPlasma MHPGPatientsPlasma 3Hormone responseNeuronal functionPanic attacksClonidineHuman dataDisordersYohimbineHuman anxietySubgroupsFear statesFunctional regulation