Thomas Cleland’s Published Letter on “Bodily Affections” (ca. 1812–1824)

“The phenomenon of…suddenly falling or sinking down, under religious exercises, has not been uncommon in times of great excitement…. But the bodily agitation called the jerks is a very different affection….”

Excerpt from Archibald Alexander’s Thoughts on Religious Experience (1844)

“In those remarkable bodily affections, called the jerks, which appeared in religious meetings some years ago, the nervous irregularity was commonly produced by the sight of other persons thus affected; and if in some instances without the sight, yet by having the imagination strongly impressed by hearing of such things….”