"Two players sit opposite one another, each wearing
an electrode-equipped headband that registers general activity in the brain, mentally pushing a metal ball from the center of the table to the other player"
"The motive force — measured by each player’s electrodes, and conveyed to the ball by a magnet hidden underneath the table—is the combination of alpha and theta waves produced by the brain.
(...) It’s fun to watch. The players visibly struggle: closing their eyes, breathing deeply, adopting vaguely yogic postures. Both players alternately lose their cool as the big metal ball rolls back and forth. You couldn’t wish for a better, more condensed illustration of how difficult it is to try while trying not to try"
Edward Slingerland,
Professor of Asian Studies and Embodied Cognition at the University of British Columbia


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