Germany was the site of one of the first outbreaks of dancing mania, a phenomenon seen primarily in mainland Europe between the 14th and 17th centuries. During such outbreaks, groups of up to thousands of people would dance uncontrollably, screaming, shouting, and claiming to have visions until they collapsed from exhaustion. Initially considered a curse sent by a saint, usually St. John the Baptist, it was called “St. John’s Dance.” To what do researchers now attribute the strange behavior? Discuss