Crux of Ego Depletion by David McRaney:

  • There are several mental functions that seem to draw on a single energy pool. They include: “making choices, avoiding temptation, suppressing emotions and thoughts,” and solving puzzles.
  • This energy pool can get depleted by use, thus making it difficult to make decisions after avoiding temptation, for example. “self-control is a strenuous act. As your ego depletes, your automatic processes get louder, and each successive attempt to take control of your impulses is less successful than the last.”
  • Several things can affect depletion and repletion of this ego energy pool, including: social rejection depletes the ego and social acceptance repletes it, hunger and lack of sleep deplete while satiety and rest replete.
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