2019
Neural computations of threat in the aftermath of combat trauma
Homan P, Levy I, Feltham E, Gordon C, Hu J, Li J, Pietrzak RH, Southwick S, Krystal JH, Harpaz-Rotem I, Schiller D. Neural computations of threat in the aftermath of combat trauma. Nature Neuroscience 2019, 22: 470-476. PMID: 30664770, PMCID: PMC6829910, DOI: 10.1038/s41593-018-0315-x.Peer-Reviewed Original ResearchConceptsPTSD symptomsPost-traumatic stress disorder symptomsHigher PTSD symptom severityThreat-predictive cuesPTSD symptom severityAssociative threatPredictive cuesNeural trackingDisorder symptomsPrediction errorCombat veteransDynamic learning rateNegative outcomesCombat traumaSmaller amygdala volumesNeural computationLatent markersSymptomatic veteransSymptom severityAmygdala volumeAssociabilityCuesLearning rateVeteransSymptoms
1985
Inescapable shock, neurotransmitters, and addiction to trauma: Toward a psychobiology of post traumatic stress
van der Kolk B, Greenberg M, Boyd H, Krystal J. Inescapable shock, neurotransmitters, and addiction to trauma: Toward a psychobiology of post traumatic stress. Biological Psychiatry 1985, 20: 314-325. PMID: 2858226, DOI: 10.1016/0006-3223(85)90061-7.Peer-Reviewed Original ResearchConceptsPost-traumatic stressStress-induced analgesiaTraumatic stressInescapable shockChronic post-traumatic stressCatecholamine depletionMassive psychic traumaEndogenous opioid releasePhysiological hyperreactivityTraumatized individualsPsychic traumaBehavioral sequelaeOpioid withdrawalPsychodynamic conceptsEndogenous opioidsPsychosocial meaningOpioid releaseMental disordersTraumaPhysiological componentsReexposureHuman equivalentAnalgesiaHyperreactivityAnimals