Table 4

Amygdala region of interest analyses and potential confounding factors

Analysis; confounding factorLeft amygdalaRight amygdala
Statistical testp valueStatistical testp value
Main effect stimulusF1,95 = 26.97< 0.001F1,95 = 31.71< 0.001
Stimulus × group interactionF1,95 = 0.760.39F1,95 = 0.070.79
 Time single run 1F1,92 = 0.0010.98F1,92 = 4.940.029
 Time run 1–4F1,85 = 0.520.47F1,85 = 0.050.82
 Dissociation*F1,88 = 0.590.44F1,88 = 0.080.77
 Childhood trauma severity†F1,86 = 0.060.81F1,86 = 0.050.82
 Posttraumatic stress disorderF1,94 = 0.580.45F1,94 = 0.220.64
 Depression (BSI subscale)F1,92 = 0.530.47F1,92 = 0.030.86
 MedicationF1,94 = 0.010.93F1,94 = 0.060.80
 LateralizationF1,95 = 0.110.74see left amygdala

  • BSI = Brief Symptom Inventory.

  • ↵* Dissociation is mean score of dissociation before and after scanning.

  • ↵† Childhood trauma severity is the total score of the 5 subscales: sexual, physical and emotional abuse, and emotional and physical neglect.