The Science Behind the Scare: Why We Shake in Fear By: Grace Huff As Halloween approaches, many of us will experience a racing heart or shaking hands during a scare — even when we know we’re safe. But that reaction isn’t supernatural. It’s your brain doing what it was designed to do. Read to explore how emotional and motor pathways interact, what this can teach us about tremor, and how this connects to neurological conditions such as essential tremor and Parkinson’s disease. 🎃 Read the full feature: ufh-fixel-a2.sites.medinfo.ufl.edu/2025/10/31/the-science-behind-the-scare-why-we-shake-in-fear #FixelInstitute #Neuroscience #HalloweenFeature #MovementDisorders