Umm, o-kay.
What're they nuts? Who in their right mind would choose to be electrocuted, even if just a small buzz. Maybe its sick curiosity, and that they know or think they know themselves well enough already. No thanks. I remember one time getting shocked by an open electrical outlet in the basement of my meme and pepe's (grandma and grandpa on my father's side) house when I was a kid, passed through my fingernail, and all through me, stunned me
, and my arm hurt all day from that jolt. I've always been alone with my thoughts, have no fears of what lay in my own mind, I know myself completely and I've spent my whole life since a child sitting sometimes doing nothing but entertaining myself with my thoughts. Uh, I'll take mind over electrical shock.
Oh, I get it, they're bored.
I'd be the test subject sitting there humming to myself, probably the whole time.