mindfulness grows your brain

I just saw this on Facebook:

Where we focus our attention channels our cognitive resources, directly activating neural firing in associated areas of the brain. For example, research has shown that in animals rewarded for noticing sounds, the brain’s auditory centers expanded greatly, while in those rewarded for attending to sights, the visual areas grew. Brain scans of violinists show dramatic growth and expansion in regions of the cortex that represent the left hand, which must finger the strings precisely, often at very high speed. Other studies have shown that the hippocampus, which is vital for spatial memory, is enlarged in taxi drivers.The implication is that neuroplasticity is activated by attention itself. And where neurons fire, they wire!Take a few minutes to notice what your mind keeps focusing attention on today.
It reminds me of what God teaches us in the Bible about intention:
Finally, brothers and sisters, whatever is true, whatever is noble,  whatever is right,  whatever is pure,  whatever is lovely,  whatever is admirable — if anything is excellent or praiseworthy — think about such things.
It just goes to show how important daily intentional focus is. Worrying is the place where our brain grows in fear, where as when we focus on God, we give ourselves the chance to grow in hope.
Also all this helps make sense of why positive activities such as creative hobbies and physical exercise have such an huge impact on mental well being.
Food for thought.
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