When a brain injury leads to a personality change and then prison time, a neuroscientist wonders if his brother could have been saved.

On Terri Schiavo, “persistent vegetative state,” and life or death decisions:

Imagine it. You are in your early twenties. You are watching a movie, say on Lifetime, in which someone has a feeding tube. You pick up the empty chip bowl. “No tubes for me,” you say as you get up to fill it. What are the chances you have given this even a passing thought?