2022
Polygenic scores for empathy associate with posttraumatic stress severity in response to certain traumatic events
Wendt FR, Warrier V, Pathak GA, Koenen KC, Stein MB, Krystal JH, Pietrzak RH, Gelernter J, Goldfarb EV, Baron-Cohen S, Polimanti R. Polygenic scores for empathy associate with posttraumatic stress severity in response to certain traumatic events. Neurobiology Of Stress 2022, 17: 100439. PMID: 35242894, PMCID: PMC8881478, DOI: 10.1016/j.ynstr.2022.100439.Peer-Reviewed Original ResearchPosttraumatic stress disorderTraumatic eventsPolygenic scoringGreater emotional sensitivityChildhood neglect/abusePTSD symptom severityCertain traumatic eventsSevere PTSD symptomsPosttraumatic stress severityContext of traumaNeglect/abuseEarly life adversityHigher empathyPTSD symptomsEmotional sensitivityHigh empathizersStress disorderLife eventsEmpathyPotential traumaSymptom severityPolygenic scoresAutismStress severityDepression
2017
The Association of PTSD Symptom Severity With Localized Hippocampus and Amygdala Abnormalities
Akiki TJ, Averill CL, Wrocklage KM, Schweinsburg B, Scott JC, Martini B, Averill LA, Southwick SM, Krystal JH, Abdallah CG. The Association of PTSD Symptom Severity With Localized Hippocampus and Amygdala Abnormalities. Chronic Stress 2017, 1: 2470547017724069. PMID: 28825050, PMCID: PMC5562232, DOI: 10.1177/2470547017724069.Peer-Reviewed Original ResearchPosttraumatic stress disorderUS veteransAmygdala abnormalitiesVertex-wise shape analysisPTSD symptomsClinician-Administered PTSD ScaleCross-sectional studyHigh-resolution magnetic resonanceStructural neuroimaging studiesSevere PTSD symptomsHippocampal abnormalitiesPTSD symptom severitySubtle morphometric changesRe-experiencing symptomsRight hippocampusCentromedial amygdalaPTSD symptom clustersRight amygdalaPTSD ScaleAnterior hippocampusHippocampusStructural abnormalitiesDSM-IVSymptom clustersSymptom severity