What do you call it when "a ghost passes through you"? There's this phenomenon that occurs to some people a handful of times in their life. My friends and I describe it as "a ghost passing through you." Here's what happens: You're having a seemingly regular day, standing on your feet, and then all of a sudden, without warning, you get weird, small, quick spasms that last about one second, maybe less. Your knees might become weak and your could collapse a little, but rarely fall over. It's always kinda funny to watch it happen to someone else. I can remember this happening to me three times, it could be more. I don't have any medical conditions, ADD, Epilepsy, etc. There doesn't seem to be a pattern as to when it happens. I know it can happen to other people and not just me. What is this ACTUALLY called? What causes it? Maybe you guys can shed some light on it. Thanks!