This is an automated archive made by the Lemmit Bot.

The original was posted on /r/todayilearned by /u/PrincessPalette on 2023-10-21 09:16:28.

Original Title: TIL about the Jumping Frenchmen of Maine, who exhibited a rare disorder which entails an exaggerated startle reflex described as an uncontrollable “jump”. Studies recorded individuals who would obey any command given suddenly, even if it meant striking a loved one.