I am having this problem for some time and I can't seem to overcome it: whenever something is close to my head (within, say, a foot), I get pretty extreme anxiety attacks afterward with the thought process "did it hit me? did it not hit me?" I attempt to convince myself that if it did hit me, I would have felt it but then I reason that one of my concussion injuries involved LOC so how do I know that didn't happen this time? Also because of the startle or anxiety response it generates the entire event doesn't appear perfectly clear in my memory when I try to think about it again to calm myself.

Anyway, this is proving to be a big problem as I even have anxiety when leaving the house in fear of these events. I hope this post makes sense... any ideas on how to overcome this?

I am very careful when I'm moving on my own and move slowly.. all of these events are caused by other people bringing something close to my head (a bag, their elbow, etc.)