Typically, when someone places a bet—be it on a sporting event, obscure trivia or where the ball in a roulette wheel will land—he or she is fully aware of the decision to do so. And now scientists at Oxford University in England have discovered that they can better determine if decisions in general are conscious (or subconscious) by having subjects literally gamble on, well, their decisions. The researchers, reporting in this week’s Nature Neuroscience, found that study participants were reluctant to wager big bucks unless they were confident in their choices, indicating that they knew full well what they were doing.

Read rest of the story at Scientific American.