if we want to re-create the cognitive flexibility of a child, a transcranial magnet would do the trick: We can just zap the PFC into submission. Such devices, however, have only become available recently. They are also expensive, not very portable, and typically not welcome at parties. What we need is something really low tech. Something that effectively takes the PFC offline and makes us happy and relaxed, but only for a few hours or so. Something that can be made anywhere, out of almost anything, by anyone, and produced reasonably cheaply. Bonus points if it tastes good, can be easily paired
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