维基里有关这7个病人救活后成功讲出被隐藏小物体的试验，结论并不正面：“No positive results were reported, and no conclusions could be drawn due to the small number of subjects.”
但是在另一组更大范围的试验证明，病人在心跳停止后仍能感知周围，其所见所闻不是幻觉。