It makes sense that if you're using part of your brain a lot, it's going to get worked out and there's going to be more stuff in that area to support increased usage. In a sense, that's all we're seeing.

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The area where we see these differences is involved in both the modulation of functions like heart rate and breathing and also the integration of emotion with thought and reward-based decision making - a central switchboard of the brain.

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Our results suggest that meditation can produce experience-based structural alterations in the brain. We also found evidence that meditation may slow down the aging-related atrophy of certain areas of the brain.

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