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Nature Neuroscience 10, 140–141 (1 February 2007) | doi:10.1038/nn0207-140

Betting the house on consciousness

Christof Koch & Kerstin Preuschoff

Studying consciousness is difficult because asking subjects to report their awareness of a stimulus perturbs that awareness. A new paper shows that asking subjects to wager on whether their response is correct can solve this problem. Much of what we do seems to happen outside of our awareness. Many, if not most, of our behaviors seem resistant to conscious introspection, from the simple (adjusting our body posture) to the complex (deciding whether to marry someone).