2023
Amygdala downregulation training using fMRI neurofeedback in post-traumatic stress disorder: a randomized, double-blind trial
Zhao Z, Duek O, Seidemann R, Gordon C, Walsh C, Romaker E, Koller W, Horvath M, Awasthi J, Wang Y, O’Brien E, Fichtenholtz H, Hampson M, Harpaz-Rotem I. Amygdala downregulation training using fMRI neurofeedback in post-traumatic stress disorder: a randomized, double-blind trial. Translational Psychiatry 2023, 13: 177. PMID: 37230984, PMCID: PMC10209552, DOI: 10.1038/s41398-023-02467-6.Peer-Reviewed Original ResearchMeSH KeywordsAmygdalaDown-RegulationHumansMagnetic Resonance ImagingNeurofeedbackStress Disorders, Post-TraumaticConceptsPost-traumatic stress disorderControl groupAmygdala activityPTSD treatmentDouble-blind clinical trialStress disorderDouble-blind trialSecondary outcome measurementsTrauma recallNeurofeedback trainingGreater improvementAmygdala controlsPotential clinical applicationsSymptom scoresActive groupClinical trialsTreatment successOutcome measurementsTrauma scriptsSymptom reductionNeurofeedback interventionPTSD symptomsFMRI neurofeedbackAmygdalaNeural markers
2022
Longitudinal volumetric evaluation of hippocampus and amygdala subregions in recent trauma survivors
Ben-Zion Z, Korem N, Spiller TR, Duek O, Keynan JN, Admon R, Harpaz-Rotem I, Liberzon I, Shalev AY, Hendler T. Longitudinal volumetric evaluation of hippocampus and amygdala subregions in recent trauma survivors. Molecular Psychiatry 2022, 28: 657-667. PMID: 36280750, PMCID: PMC9918676, DOI: 10.1038/s41380-022-01842-x.Peer-Reviewed Original ResearchMeSH KeywordsAdultAmygdalaBayes TheoremFemaleHippocampusHumansMagnetic Resonance ImagingStress Disorders, Post-TraumaticSurvivorsYoung AdultConceptsEmergency departmentAmygdala subregionsPTSD diagnosisGeneral hospital emergency departmentLeft amygdala volumeHospital emergency departmentRight hippocampus volumeCA1 hippocampal subregionRecent trauma survivorsTrauma survivorsCivilian trauma survivorsED admissionEligible participantsHippocampus volumeAmygdala volumeHippocampal subregionsVulnerability traitsDisorder pathogenesisClinical InterviewModerate evidenceHippocampus subregionsTrauma exposureStructural MRIRobust evidenceLower initial volumeEmotional numbing in PTSD is associated with lower amygdala reactivity to pain
Korem N, Duek O, Ben-Zion Z, Kaczkurkin AN, Lissek S, Orederu T, Schiller D, Harpaz-Rotem I, Levy I. Emotional numbing in PTSD is associated with lower amygdala reactivity to pain. Neuropsychopharmacology 2022, 47: 1913-1921. PMID: 35945274, PMCID: PMC9485255, DOI: 10.1038/s41386-022-01405-2.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderAmygdala reactivityLower amygdala reactivityHigher pain responseLower amygdala activationAltered pain perceptionAmygdala activationProcessing of painAmygdala responseEmotional numbingPain correlateMild painPain processingPain thresholdPain responsePain perceptionPainControl groupPTSD groupStress disorderRobust reductionAmygdala activityCombat controlsAmygdalaEmotional numbing symptoms