Table 3.
Brain Region | odor intensity | odor negative valence | odor-elicited reexperiencing (memories) | odor-elicited avoidance (numb) | odor-elicited hyperarousal (anxiety) | |
---|---|---|---|---|---|---|
left | ||||||
piriform cortex | −0.129 | 0.163 | −0.305* | −0.175 | 0.025 | |
lateral amygdala | −0.151 | 0.189 | −0.289 | −0.133 | 0.039 | |
hippocampus (head) | −0.087 | 0.222 | −0.257 | −0.166 | 0.017 | |
anterior insula | −0.104 | −0.025 | −0.330* | −0.393** | −0.386** | |
orbitofrontal cortex | −0.240 | 0.108 | −0.452** | −0.312* | −0.428** | |
right | ||||||
piriform cortex | −0.106 | 0.125 | −0.300* | −0.127 | −0.020 | |
lateral amygdala | −0.091 | 0.147 | −0.220 | −0.134 | 0.002 | |
hippocampus (head) | −0.103 | 0.255 | −0.253 | −0.185 | −0.056 | |
anterior insula | −0.083 | −0.031 | −0.496** | −0.377* | −0.395** | |
orbitofrontal cortex | −0.138 | 0.086 | −0.514** | −0.427** | −0.445** |
Combat veterans (n=45) are collapsed across PTSD diagnosis.
p<.05
p<.01