Tuesday, June 29, 2010

neuroscience - brain of a serial killer; Rare Memo, Vatican Rebukes Cardinal

A Neuroscientist Uncovers A Dark Secret by Barbara Bradley Hagerty June 29, 2010

....Fallon set out to see whether anyone in his family possesses the brain of a serial killer. Because he has studied the brains of dozens of psychopaths, he knew precisely what to look for. To demonstrate, he opened his laptop and called up an image of a brain on his computer screen. "Here is a brain that's not normal," he says. There are patches of yellow and red. Then he points to another section of the brain, in the front part of the brain, just behind the eyes. "Look at that — there's almost nothing here," Fallon says. This is the orbital cortex, the area that Fallon and other scientists believe is involved with ethical behavior, moral decision-making and impulse control. "People with low activity [in the orbital cortex] are either free-wheeling types or sociopaths," he says.

Fallon's Scans
He's clearly oversimplifying, but Fallon says the orbital cortex puts a brake on another part of the brain called the amygdala, which is involved with aggression and appetites. But in some people, there's an imbalance — the orbital cortex isn't doing its job — perhaps because the person had a brain injury or was born that way. "What's left? What takes over?" he asks. "The area of the brain that drives your id-type behaviors, which is rage, violence, eating, sex, drinking."

....Along with brain scans, Fallon also tested each family member's DNA for genes that are associated with violence. He looked at 12 genes related to aggression and violence and zeroed in on the MAO-A gene (monoamine oxidase A). This gene, which has been the target of considerable research, is also known as the "warrior gene" because it regulates serotonin in the brain. Serotonin affects your mood — think Prozac — and many scientists believe that if you have a certain version of the warrior gene, your brain won't respond to the calming effects of serotonin.

....according to scientists who study this area. They believe that brain patterns and genetic makeup are not enough to make anyone a psychopath. You need a third ingredient: abuse or violence in one's childhood. http://www.npr.org/templates/story/story.php?storyId=127888976


In Rare Memo, Vatican Rebukes Cardinal By RACHEL DONADIO June 28, 2010
ROME — The Vatican drew aside, for a brief and puzzling moment, the thick veil that covers its internal business. It issued an extraordinary communiqué on Monday chastising a powerful cardinal who had criticized another powerful cardinal — proof of a battle inside the Vatican walls that mirrors the anger over sexual abuse raging outside them....On its face, the communiqué is a public rebuke to Cardinal Christoph Schönborn of Vienna. In April, he had implicitly criticized Cardinal Angelo Sodano, 82, the current dean of the College of Cardinals and Pope John Paul II’s last secretary of state, for blocking an investigation into an Austrian archbishop accused in the mid-1990s of abusing minors. http://www.nytimes.com/2010/06/29/world/europe/29pope.html

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