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6 ways to boost your brain

The Giant Noodle

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Very interesting article!!!

This appears to be because light boosts alertness. In another study, volunteers had their brains scanned as they performed a short-term memory task while exposed to either violet, blue or green light. The scans revealed that after just a few seconds of light exposure an area of the brain stem known to play a role in alertness became more active (PLoS One, vol 2, p 1247). Blue light was the most potent. Similarly, in simple reaction tasks, exposure to blue light is more effective in sustaining cognitive performance than green light (Sleep, vol 29, p 161).

CONTINUED: Mental muscle: six ways to boost your brain - life - 04 October 2010 - New Scientist
 
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