At the elementary level, the largest decreases came in the time devoted to social studies, which within a few years dropped by a third, or 76 minutes each week.
—
Yoni Appelbaum,
The Atlantic,
8 June 2026
The devices detected increases in brain waves linked to relaxation and focus – theta, theta-alpha, alpha and beta-1 brain waves – while measuring decreases in delta and gamma-1 brain waves, which suggest less drowsiness and less mind-wandering.
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