Andrew Huberman· PhD
The key variable in the study turned out to be energy. This subjectively measured feeling I should say of having more energy and thereby the ability to focus, especially in these high cognitive demand tasks.
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
The key variable in the study turned out to be energy. This subjectively measured feeling I should say of having more energy and thereby the ability to focus, especially in these high cognitive demand tasks.
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If you are going to sit down to do some work that requires focus and working memory and cognitive attention and especially if it's some visual spatial control, meaning you have to search for things on a page, you have to organize things on a page, so some writing, arithmetic, basically cognitive work of any kind, 15 minutes of moderate exercise done prior to that work about could be very beneficial for you.
The major takeaway from the study is that the group that did the 15 minutes of moderate exercise prior to these two tests showed significant decreases in the amount of time required to complete these tests accurately.
Study after study shows that even ~10 minutes of movement, especially at a higher intensity, can acutely enhance executive function, attention, and memory.