Proprioception is the brain’s “sixth sense” ability to sense the body’s position, equilibrium, and movement through space. This ability is what allows an athlete like Simone Biles to control her movements when performing gymnastics. Newly published research in The New England Journal of Medicine, conducted by researchers at NCCIH and the National Institute of Neurological Disorders and Stroke (NINDS), showed how a mutation to the PIEZO2 gene is responsible for problems with touch and propriocept