Self-discipline: "glucose may activate brain areas involved in selecting and inhibiting action"

http://www.sciencecodex.com/take_control_exploring_how_selfdiscipline_works_and_how_we_might_boost_it-100510

Take control! Exploring how self-discipline works and how we might boost it

"Converging scientific evidence – not to mention a great deal of life experience – tells us that self-control is an important ability. It helps us keep our cool, get things done, and resist the things that tempt us. Scientists believe that gaining a clearer understanding of how self-control works could provide critical insights into addressing some of the large-scale problems facing society today, including obesity and addiction.

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...suggest that glucose influences self-control through a non-metabolic route. The researchers speculate that glucose may activate brain areas involved in selecting and inhibiting action, as well as detecting errors and evaluating competing responses."