Lorimer Moseley from Australia is a PT and pain researcher who has published dozens of papers investigating pain, rubber hand illusion, and all sorts of motor imagery ideas.
It's great to find this interview from last year on YouTube. There is no video, as it was a radio interview, but it's on YouTube nonetheless. About an hour altogether.
WELL worth a listen, if you have pain, deal with it, and don't quite fathom it.
WELL worth a listen, if you are a clinician who treats people who have it.