Near death experienceCharacteristics Researchers have identified the common elements that define near-death experiences. Bruce Greyson argues that the general features of the experience include impressions of being outside one's physical body, visions of deceased relatives and religious figures, and transcendence of egotic and spatiotemporal boundaries. Many different elements have been reported, though the exact elements tend to correspond with the cultural, philosophical, or religious beliefs of the person experiencing it: The traits of a classic NDE are as follows: The notice of unpleasant sound or noise (claimed by R. PeaceBody separationEntering darknessSeeing the lightEntering the light He stated that 60% experienced stage 1 (feelings of peace and contentment), but only 10% experienced stage 5 ("entering the light"). The distressing aspects of some NDEs are discussed more closely by Greyson and Bush. Cultural variances NDE variants Three patterns of distressing NDEs.