That makes sense. I've noticed too that my brain seems to have a threat pre-emption module as well as a threat reaction module. For example, I'll sometimes be w

That makes sense. I've noticed too that my brain seems to have a threat pre-emption module as well as a threat reaction module. For example, I'll sometimes be walking and texting at the same time, only to stop in my tracks and suddenly realize that there's a hidden stair in front of me.