The two papers by Waxman and Geschwind, The book Seized
by Eve LaPlante, a television show featuring the ideas of, and interviews with, neurologist V. Ramachandran, and extensive conversations with people with all forms of E, (mostly on the net but some in person.)
Do you have generalized or secondarily generalized grand mals? In the latter case a temporo-limbic focus can manifest all the same post-ictal emotional dynamics. Alot of people with grand mals don't have these post-ictal emotional dynamics at all, though. I don't think these latter ever get much limbic involvement. Complex partials almost always have limbic involvement. Do you experience an aura?
I'm not aware of any, but I haven't done any research on PTSD, just picked up bits and pieces about it. Off the top of my head, though, it seems there would be a qualitative difference between religious feelings based on seeing an excess of meaning in all details, and religious feeling based on fear of your life, as in a fox hole.