an artificial aid which performed its function."
Most "moralist" philosophers who support a brain-death definition do so on a different basis. Human beings, they contend, distinguish the dead from the living not only analyzing vital signs but by reasses- sing their obligations toward them. Upper-brain "deathn-when a per- son "has no capacity for happiness, has no interestsw-justifies such a reassessment. The flaw in this argument, note Green and Wikler, is that it maintains...