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MENTAL_ENERGY

                                                  November 10, 2013

                                              FAST_SLOW_AND_SLOWER

     "The most surprising discovery made by Baumeister's
     group shows, as he puts it, that the idea of mental
     energy is more than a metaphor.  The nervous system
     consumes more glucose than most other parts of the
     body, and effortful mental activity appears to be
     especially expensive ... When you are actively
     involved in difficult cognitive reasoning or engaged
     in a task that requires self-control, your blood
     glucose level drops. ... The bold implication ...
     the effects ... could be undone by ingesting glucose,
     and Baumeister and his colleagues have confirmed this ..."

       -- Kahneman, "Thinking, Fast and Slow" (2011), p.43 (hardcover)




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