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Noise canceling, without headphones.

Roni Caryn Rabin: Studies have found that meditation helps prevent the recurrence of depression, perhaps by producing changes in parts of the brain associated with learning and anxiety. A new study suggests that meditation may modulate brain waves called alpha rhythms, which help regulate the transmission of sensory input from the surrounding environment. Harvard researchers randomly assigned 12 healthy adults to an eight-week course of training in meditation-based stress reduction or to a control group whose participants did not meditate.

At regular intervals, researchers used an imaging technique called magnetoencephalography to measure electrical currents in an area of the brain that processes signals from the left hand. During the tests, each participant was asked to direct his attention to his or her left hand or left foot.

After eight weeks, the brain scans showed that alpha rhythms changed Read the rest of this article…

more quickly and in a more pronounced way in participants who had been meditating.

“If you’re reading something in a noisy environment and you want to be in a bubble, you might use your alpha rhythms like a volume knob, to turn down the volume on neurons that represent sound from the outside world,” said Catherine E. Kerr, a neuroscientist at Harvard Medical School and a co-author of the report, published April 21 in the journal Brain Research Bulletin. “We all do this to some extent, but it turns out that meditators become much more skilled at it.”

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We comb the internet, looking for news stories related to all forms of meditation, whether Buddhist or not. To date we have posted thousands of news stories that cover everything from meditation and health to meditating celebrities. When we publish a story that's favorable to or critical of one form of meditation, this does not imply that we agree with the stance of the original news story. Read more articles by .

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