Ego depletion is the reduction of volition caused by the exercise of volition.

Making decisions, exercising self-control, and other burdens on the executive function contribute to depletion. Decision making is tiring. Limited resources need particularly effective decision making. Prefrontal cortex inefficiency to blame.rA2


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    Sönke Ahrens, How to Take Smart Notes: One Simple Technique to Boost Writing, Learning and Thinking: For Students, Academics and Nonfiction Book Writers (North Charleston, SC: CreateSpace, 2017). (See notes.)