“…Brain images are becoming standard evidence in some of the country’s most controversial and disturbing death penalty cases. In March, Barack Obama’s bioethics commission released a report stating that neuroscience is used in about a quarter of capital cases, and that percentage is rising quickly.
Lawyers use scans in a few principal ways. Sometimes it’s to explain a psychiatrist’s diagnosis to help a plea of insanity, or to help prove intellectual disability. Most often they are used to ask juries for mercy during the sentencing phase of the grimmest trials.
Since the inner workings of a criminal’s mind are central to a case, any tool that might shed light on the 3-lb organ is worth considering. And brain scans have diagnostic credibility: they are fundamental in clinical settings for spotting tumors, cancer or traumatic injuries. They have been used to study aspects of behavior, such as decision-making, depression and impulse control. But in death penalty cases, the images are taken out of that medical or experimental context, and used to clarify nuances of criminal actions.
It remains unclear whether pictures of neural processes or of brain anatomy can reveal a person’s morals or the substance of their character. But despite incomplete science, brain scans are becoming crucial arbiters of life and death…”
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Probably not… yet. But it sounds a lot like part of a sci-fi novel I wrote… or part of Minority Report, or 1984.