"The Brain on the Stand"

Jeffrey Rosen has a long piece in today's New York Times Magazine called "The Brain on the Stand."  The piece is about neuroscience, neuroimaging, law, punishment, criminal responsibility, and lots more.  (It quotes, a number of times, MOJ-friend Carter Snead, whose new paper on neuroimaging and capital sentencing is available here.)

This is fascinating stuff, I think.  The piece has too much going on to allow for a blog-post summary, but here's just one paragraph which jumped out at me.

“To a neuroscientist, you are your brain; nothing causes your behavior other than the operations of your brain,” [Harvard's Joshua] Greene says. “If that’s right, it radically changes the way we think about the law. The official line in the law is all that matters is whether you’re rational, but you can have someone who is totally rational but whose strings are being pulled by something beyond his control.” In other words, even someone who has the illusion of making a free and rational choice between soup and salad may be deluding himself, since the choice of salad over soup is ultimately predestined by forces hard-wired in his brain. Greene insists that this insight means that the criminal-justice system should abandon the idea of retribution — the idea that bad people should be punished because they have freely chosen to act immorally — which has been the focus of American criminal law since the 1970s, when rehabilitation went out of fashion. Instead, Greene says, the law should focus on deterring future harms. In some cases, he supposes, this might mean lighter punishments. “If it’s really true that we don’t get any prevention bang from our punishment buck when we punish that person, then it’s not worth punishing that person,” he says. (On the other hand, Carter Snead, the Notre Dame scholar, maintains that capital defendants who are not considered fully blameworthy under current rules could be executed more readily under a system that focused on preventing future harms.) . . .

Even as these debates continue, some skeptics contend that both the hopes and fears attached to neurolaw are overblown. “There’s nothing new about the neuroscience ideas of responsibility; it’s just another material, causal explanation of human behavior,” says Stephen J. Morse, professor of law and psychiatry at the University of Pennsylvania. “How is this different than the Chicago school of sociology,” which tried to explain human behavior in terms of environment and social structures? “How is it different from genetic explanations or psychological explanations? The only thing different about neuroscience is that we have prettier pictures and it appears more scientific.”

Morse insists that “brains do not commit crimes; people commit crimes” — a conclusion he suggests has been ignored by advocates who, “infected and inflamed by stunning advances in our understanding of the brain . . . all too often make moral and legal claims that the new neuroscience . . . cannot sustain.” . . .

Still, Morse concedes that there are circumstances under which new discoveries from neuroscience could challenge the legal system at its core. “Suppose neuroscience could reveal that reason actually plays no role in determining human behavior,” he suggests tantalizingly. “Suppose I could show you that your intentions and your reasons for your actions are post hoc rationalizations that somehow your brain generates to explain to you what your brain has already done” without your conscious participation. If neuroscience could reveal us to be automatons in this respect, Morse is prepared to agree with Greene and Cohen that criminal law would have to abandon its current ideas about responsibility and seek other ways of protecting society.

Stay tuned!