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Meditating has been found to increase activity in the left frontal part of the brain, an area associated with 'Positive moods' [Image: longtrekhome - Wikimedia commons]

Meditation helps rewire the brain

Meditation really does change the way your brain works, according to new the results of a small study to be published in an upcoming issue of Psychological Science.

Previous studies have found that Buddhist monks, who have spent tens of thousands of hours of meditating, have different patterns of brain activity. The present study found changes in brain activity after only five weeks of meditation training.

At the beginning of the study, each participant had an EEG, a measurement of the brain’s electrical activity. They were told: “Relax with your eyes closed, and focus on the flow of your breath at the tip of your nose; if a random thought arises, acknowledge the thought and then simply let it go by gently bringing your attention back to the flow of your breath.”

Then 11 people were invited to take part in meditation training, while the other 10 were told they would be trained later. The 11 were offered two half-hour sessions a week, and encouraged to practice as much as they could between sessions, but there wasn’t any particular requirement for how much they should practice.

After five weeks, the researchers did an EEG on each person again. Each person had done, on average, about seven hours of training and practice. But even with that little meditation practice, their brain activity was different from the 10 people who hadn’t had training yet. People who had done the meditation training showed a greater proportion of activity in the left frontal region of the brain in response to subsequent attempts to meditate. This pattern of brain activity is associated with positive moods.

The shift in brain activity “was clearly evident even with a small number of subjects,” says Christopher Moyer, one of the researchers at the University of Wisconsin-Stout. “If someone is thinking about trying meditation and they were thinking, ‘It’s too big of a commitment, it’s going to take too much rigorous training before it has an effect on my mind,’ this research suggests that’s not the case.” For those people, meditation might be worth a try, he says. “It can’t hurt and it might do you a lot of good.”