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Study: Buddhist Meditation Promotes Rational Thinking
By Michael Haederle, Miller-McCune, Aug 14, 2011
New York, USA -- Studies looking at the brains of people playing a fairness game found very different responses between Buddhist meditators and other participants.
<< A new study - with brain scans to back it up - suggests that people who regularly practice Buddhist meditation actually process situations involving rationality differently. (Istockphoto.com)
It’s no secret that humans are not entirely rational when it comes to weighing rewards. For example, we might be perfectly happy with how much money we’re making — until we find out how much more the guy in the next cubicle is being paid.
But a new study suggests that people who regularly practice Buddhist meditation actually process these common social situations differently — and the researchers have the brain scans to prove it.
Ulrich Kirk and collaborators at Baylor Medical College in Houston had 40 control subjects and 26 longtime meditators participate in a well-known experiment called the Ultimatum Game. It goes like this:
One person has a sum of money to split with another person. If the other person accepts the offer, they both walk away with cash in their pocket, but if he or she rejects the offer as too chintzy — which happens surprisingly often — neither receives anything.
The rational course is to accept any offer that is proposed, because getting something is better than nothing at all, but the Ultimatum Game suggests that for many people, emotion trumps reason. Being treated fairly is more important than coming out ahead financially.
The test subjects played the game while lying inside a functional magnetic resonance imaging scanner, enabling the researchers to see which areas of their brains became active as they responded to various monetary offers. As in earlier experiments with the Ultimatum Game, the control subjects saw increased activity in a brain structure called the anterior insula when they were confronted with an unfair offer — an area linked to the emotion of disgust.
But the meditators’ brains reacted quite differently, activating brain areas associated with interoception — the representation of the body’s internal state. In fact, the researchers found very little overlap in the two groups’ neural responses.
Kirk, who recruited his meditators from the Houston Zen Center and other local Buddhist groups, wanted to explore a different mechanism for managing their emotions than the ones usually studied in cognitive neuroscience.
“To us it seemed that a more ecological way of doing this would be to see the effects of mindfulness,” he says. “Mindfulness, as opposed to emotion regulation, is using an outside perspective on one’s experiences, rather than changing their content (through distraction) or context (through reframing).”
Kirk, now a research assistant professor with the Human Neuroimaging Laboratory at Virginia Tech, says that while the meditators’ behavior seems generally more “rational” than that of most of the controls, they did not use the dorsolateral prefrontal cortex, the part of the brain usually associated with cold, calculated reasoning.
He also informally interviewed many of the meditators after they underwent the brain scans. “They reported that the offers did not actually seem unfair, or rather, that ‘difference’ doesn’t equal unfairness,” Kirk says. “It was as if the perception of difference incites less reactivity in meditators.”