Oddbean new post about login | logout Rarely these days, but they used to happen multiple times a week for period of a couple years. I could feel the electricity shock my heart.
I've had something like this since I was a kid - sudden strong tingling in my arms and upper body and resulting jerks of the muscles - but nothing that approaches the violent bodily shock that we see here. I've always wondered what it was. For years I thought I eas just very sensitive to "tickling".