in his fine blog Thrown Back
No, personhood is inherent in the human being. To separate personhood from human identity is as disordered as separating eating from nutrition, or separating sex from... ohhh.... procreation. It is this way because God made human beings that way. And God made Terri Schiavo that way. Those who know and love her see her as a person not because they are deluded, but because they look beyond what she can or cannot do, to see who she is.