Eli5: If pain is mostly constructed in the brain based on what happens to you, are there any medical conditions/accidents that could induce these brain signals to create heavy pain when nothing at all is even happening?

Question

i.e. Is there some medical accident that could make you feel like you got kicked in the balls when you didn’t even get kicked in the balls?

In: Biology

Answer 1

Can’t recall the name of it, but there is the disease where every pain receptor in your body fires non stop.
It would be literal hell.

Thats what the guy they were gonna do the head transplant on had I think.

Not sure what happened with that, but I dont think they ever ended up cutting his head off like they planned