Published Letter from John Wilkinson to William Maclin (April 18, 1805)

Published Letter from John Wilkinson to William Maclin (April 18, 1805)

“[The Jerks consist] in a sudden inclination, or reclining, of the shoulders, and is so quick, that the head appears to move too slow for the shoulders…. This is common to both sexes, but with this difference, that men seldom have more than one jerk…; whereas, a woman will frequently continue a repetition of that motion…for ten or fifteen minutes, reclining backwards as far as her feet, or some other obstacle will permit her, and bending so far forwards, as almost to touch the floor with her head….”

Excerpts from the Journal of Benjamin Seth Youngs (May 30, 1805–January 14, 1806)

Excerpts from the Journal of Benjamin Seth Youngs (May 30, 1805–January 14, 1806)

“Charity M. came about 10 A.M. with the Jerks & in trouble & opened her mind to B. She said She received the Jerks to be a compelling power from God….”

Felix Roberton’s Essay on Chorea Sancti Viti (June 5, 1805)

“I suppose there are but few individuals in the United States, who have not at least heard of the unparalleled blaze of enthusiastic religion which burst forth in the western country about the year 1800…. It was under these circumstances that some found themselves unable by voluntary efforts to suppress the contraction of their muscles….”