You might have heard for the first time over the weekend of the medical affliction Dystonia. It’s what claimed the life of retired Sesame Street performer/puppeteer Caroll Spinney — who was known for playing both Big Bird and Oscar the Grouch. But, what is Dystonia? It’s a disorder that may often go undiagnosed in many people, according to Dr. Dronacharya (“Dron”) Lamichhane, Neurologist with OSF HealthCare Illinois Neurological Institute. Lamichhnane spoke with Will Stevenson on Galesburg’s Evening News.