What Could Have Caused the Dancing Plague?

We know the dancing plagues of 1374 and 1518 actually did happen. We also know that there's a lot of tall tales that get treated as fact from this period in history. And so when we set the stage here, I think it is time for us to answer like the, the billion dollar question or attempt. What could have caused this dancing plague? For this answer, we have to go over to the Landsat,. Another article by John Waller, a forgotten plague making sense of dancing mania. What do we think?