Imagine lying in a hospital bed, conscious, but unable to convey that to the world around you. For sufferers of strokes, traumatic brain injuries or the ever-terrifying locked-in syndrome, it’s not just nightmare fuel — it’s reality for some patients. What’s potentially more frightening is that neuroscience hasn’t landed on a way to truly test for consciousness. That’s not for a lack of trying. But a new paper published in Science Advances could help pave the way for spotting consciousn