Picture this: It’s 1810, and ol’ Benny Rush, fresh off his success with the Tranquilizing Chair, thinks to himself, “You know what would really cure madness? A merry-go-round from hell!”

Enter the Gyrator, a centrifugal spinning board designed to improve circulation to the brain. Because nothing says “mental health” like being strapped to a giant, human-sized fidget spinner and whirled around until you can’t tell your cerebellum from your cerebral cortex.

Rush, in his infinite wisdom, believed that mental illness was caused by disruptions of blood circulation or sensory overload. So naturally, the solution was to create a device that would make you wish for sensory deprivation. It’s like he looked at a carnival ride and thought, “You know what this needs? More medical malpractice!”

Patients would be strapped to this wooden plank of doom, then spun at dizzying speeds. The goal? To force blood into the brain, because apparently, what every person suffering from mental illness really needs is a good case of vertigo to go with their other symptoms.

Imagine the conversation:
Doctor: “How are you feeling today?”
Patient: “Well, I was feeling anxious, but now I’m just nauseous and can’t walk straight. Is that progress?”
Doctor: “Absolutely! That’s just your sanity trying to spin its way back into your brain!”

So, there you have it, folks. Benjamin Rush’s gyrator: proving that sometimes, the best way to treat mental illness is to literally turn your patients’ world upside down. And if that doesn’t work, well, there’s always the Tranquilizing Chair to look forward to!

Remember, in the world of 18th-century psychiatry, if you’re not spinning, you’re not winning!