I hate how much the authors of this article imply causality. >There also, interestingly, was less activity among the runners in a part of the brain that tends to indicate lack of focus and mind wandering. Could it not be that people who have the willpower to run regularly also have the willpower to stay focused? >In essence, the runners seemed to have brains in which certain cognitive skills, including multitasking a…
This is just an anecdote, of course, but I notice a major boost to my ability to concentrate, avoid distractions and think after a good aerobic exercise session. My efficiency goes from 4.
The boost lasts about 2 days, after which the lethargy sets back in.