Near Death Experiences: Does the Brain Create Consciousness?

Does consciousness exist outside the brain, pointing to a less observable world than meets the eye? Or are near-death and out-of-body experiences simply signs of oxygen deprivation, showcasing a plausible occurrence easily explained by science? Skeptics and believers met to discuss this question on Intelligence Squared, a series of live debates that have hosted over 85 controversial topics. They argued in favor of or against the ultimate question: Is death or the end of consciousness final?