Brain region | Side | PTSD (n = 16) | Controls (n = 52) | F-value | P-value |
---|---|---|---|---|---|
Amygdala |  |  |  | 1.529 | – |
Left | 0.075 ± 0.008 | 0.075 ± 0.007 | 0.041 | – | |
Right | 0.078 ± 0.006 | 0.075 ± 0.009 | 1.184 | – | |
Hippocampus |  |  |  | 0.843 | – |
Left | 0.217 ± 0.023 | 0.215 ± 0.019 | 0.314 | – | |
Right | 0.228 ± 0.021 | 0.221 ± 0.021 | 1.481 | – | |
Anterior cingulate cortex (ACC) |  |  |  | 0.560 | – |
Left | 0.261 ± 0.040 | 0.252 ± 0.047 | 0.709 | – | |
Right | 0.225 ± 0.029 | 0.229 ± 0.042 | 0.135 | – | |
Prefrontal cortex (PFC) | Â | Â | Â | 2.851 | 0.065 + |
Left | 2.239 ± 0.156 | 2.331 ± 0.122 | 5.226 | 0.026 * | |
Right | 2.283 ± 0.144 | 2.353 ± 0.138 | 2.492 | – | |
Middle frontal gyrus | Â | Â | Â | 4.126 | 0.021 * |
Left | 0.865 ± 0.073 | 0.923 ± 0.076 | 6.900 | 0.011 * | |
Right | 0.871 ± 0.115 | 0.936 ± 0.081 | 6.030 | 0.017 * | |
Anterior insula | Â | Â | Â | 2.492 | 0.091 + |
Left | 0.231 ± 0.025 | 0.244 ± 0.021 | 4.056 | 0.048 * | |
Right | 0.237 ± 0.018 | 0.243 ± 0.022 | 0.914 | – | |
Anterior orbital gyrus | Â | Â | Â | 3.035 | 0.055 + |
Left | 0.112 ± 0.016 | 0.100 ± 0.019 | 6.072 | 0.016 * | |
Right | 0.118 ± 0.023 | 0.114 ± 0.014 | 1.082 | – |