This is an interesting new analysis showing activity changes in differing brain regions for people with ptsd from different general categories of trauma: combat-related, childhood physical/sexual abuse, and natural disasters.
Different neural modifications underpin PTSD after different traumatic events: an fMRI meta-analytic study
http://www.ncbi.nlm.nih.gov/pubmed/25913645
http://link.springer.com/article/10.1007/s11682-015-9387-3/fulltext.html
Different neural modifications underpin PTSD after different traumatic events: an fMRI meta-analytic study
http://www.ncbi.nlm.nih.gov/pubmed/25913645
http://link.springer.com/article/10.1007/s11682-015-9387-3/fulltext.html