Zapping part of the brain makes you think harder – at a cost
· newscientist.com · popularity 27/100 · 0 similar stories today · Brain & Neuroscience (Discovery & Research)

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Summary
Stimulating a part of the brain linked to mental effort boosts performance in demanding tasks, but also leads to greater mental fatigue afterwards
Found in: New Scientist. Rating basis: single outlet; outlet tier 3; 1 feeds; feed position 2.