William Young’s “Thoughts on the Exercises” (February 20, 1806)

“I presume not to condemn the persons thus influenced [by the jerks], nor to detract from the sincerity of their devotion; but my wish is to remove the delusion of supposing it to be a bodily disease, and leave the intrinsic merits of the subject to Him, who “searcheth the hearts and trieth the reins of the children of men….”

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….”