2023
Neural valuation of rewards and punishments in posttraumatic stress disorder: a computational approach
Jia R, Ruderman L, Pietrzak R, Gordon C, Ehrlich D, Horvath M, Mirchandani S, DeFontes C, Southwick S, Krystal J, Harpaz-Rotem I, Levy I. Neural valuation of rewards and punishments in posttraumatic stress disorder: a computational approach. Translational Psychiatry 2023, 13: 101. PMID: 36977676, PMCID: PMC10050320, DOI: 10.1038/s41398-023-02388-4.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderValuation systemStress disorderCombat veteransMaintenance of PTSDSubjective valueBrain valuation systemNeural valuation systemVentromedial prefrontal cortexFunctional MRI studyFunction of symptomsMale combat veteransNeural valuationSeries of choicesFear learningPunishment processingPosttrauma symptomsPTSD symptomsNeural encodingNeural mechanismsUncertain optionsPrefrontal cortexSubjective valuationVentral striatumMonetary gains
2019
Regulation of Craving and Negative Emotion in Alcohol Use Disorder
Suzuki S, Mell MM, O'Malley SS, Krystal JH, Anticevic A, Kober H. Regulation of Craving and Negative Emotion in Alcohol Use Disorder. Biological Psychiatry Cognitive Neuroscience And Neuroimaging 2019, 5: 239-250. PMID: 31892465, PMCID: PMC7010564, DOI: 10.1016/j.bpsc.2019.10.005.Peer-Reviewed Original ResearchConceptsAlcohol use disorderNegative emotionsNegative affectPrefrontal cortexIndividual differencesRegulation conditionsCognitive behavioral therapy treatmentEmotion regulation taskFunctional magnetic resonance imagingNegative affect conditionRegulation of cravingNegative alcohol expectanciesNotable individual differencesSelf-reported cravingBehavioral therapy treatmentUse disordersRegulation successCognitive strategiesAffect conditionRegulation strategiesAlcohol expectanciesPFC regionsNeural mechanismsRegulation taskAUD treatment
2016
Schizophrenia is associated with a pattern of spatial working memory deficits consistent with cortical disinhibition
Starc M, Murray JD, Santamauro N, Savic A, Diehl C, Cho YT, Srihari V, Morgan PT, Krystal JH, Wang XJ, Repovs G, Anticevic A. Schizophrenia is associated with a pattern of spatial working memory deficits consistent with cortical disinhibition. Schizophrenia Research 2016, 181: 107-116. PMID: 27745755, PMCID: PMC5901719, DOI: 10.1016/j.schres.2016.10.011.Peer-Reviewed Original ResearchConceptsHealthy comparison subjectsSpatial WM taskSchizophrenia patientsSevere cognitive deficitsSpecific spatial locationsComputational modelContinuous response measuresWM precisionWM representationsSpatial WMWM taskDistractor distanceWM impairmentWM tracesNeural mechanismsCognitive deficitsMemory deficitsBehavioral consequencesDelay periodDelay durationCortical disinhibitionSpatial locationComparison subjectsMicrocircuit modelDistractibility
1996
Neural Mechanisms in dissociative amnesia for childhood abuse: relevance to the current controversy surrounding the "false memory syndrome"
Bremner JD, Krystal JH, Charney DS, Southwick SM. Neural Mechanisms in dissociative amnesia for childhood abuse: relevance to the current controversy surrounding the "false memory syndrome". American Journal Of Psychiatry 1996, 153: 71-82. PMID: 8659644, DOI: 10.1176/ajp.153.7.71.Peer-Reviewed Original ResearchConceptsFalse memory syndromeMemory tracesChildhood abuseDissociative amnesiaEffects of stressMemory functionMemory syndromeNeurobiology of memoryBrain regionsNormal memory functionChildren's memoryTraumatic stressorsSpecific brain regionsNeural mechanismsStressful eventsMemoryAmnesiaExtreme stressBrain chemistryAbuseRecallPsychiatric disordersLong-term alterationsLong-term effectsNormal personsNoradrenergic 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
Functional neuroanatomical correlates of the effects of stress on memory
Bremner J, Krystal J, Southwick S, Charney D. Functional neuroanatomical correlates of the effects of stress on memory. Journal Of Traumatic Stress 1995, 8: 527-553. PMID: 8564272, DOI: 10.1002/jts.2490080403.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderEffects of stressBrain regionsTraumatic stressNeural mechanismsSymptoms of PTSDFalse memory syndromeFunctional neuroanatomical correlatesFear conditioningNeurobiological approachStress disorderDissociative amnesiaMemory syndromeStress sensitizationNeuroanatomical correlatesMemory functionChildhood memoriesMemoryStress-induced alterationsImplicationsAmnesiaPsychotherapyCorrelatesConditioningSymptomsFunctional neuroanatomical correlates of the effects of stress on memory
Bremner J, Krystal J, Southwick S, Charney D. Functional neuroanatomical correlates of the effects of stress on memory. Journal Of Traumatic Stress 1995, 8: 527-553. DOI: 10.1007/bf02102888.Peer-Reviewed Original ResearchPosttraumatic stress disorderEffects of stressBrain regionsTraumatic stressNeural mechanismsSymptoms of PTSDFalse memory syndromeFunctional neuroanatomical correlatesFear conditioningNeurobiological approachStress disorderDissociative amnesiaMemory syndromeStress sensitizationNeuroanatomical correlatesMemory functionChildhood memoriesMemoryStress-induced alterationsImplicationsAmnesiaPsychotherapyCorrelatesConditioningSymptoms