Why we can't always stop what we've started

When we try to stop a body movement at the last second, perhaps to keep ourselves from stepping on what we just realized was ice, we can’t always do it — and neuroscientists have figured out why….

When we try to stop a body movement at the last second, perhaps to keep ourselves from stepping on what we just realized was ice, we can’t always do it — and neuroscientists have figured out why….