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

  1. 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.)