How many decisions can you make in one minute?

The human brain is a fascinatingly powerful took we all have and in my opinion, under utilize greatly.  I am reminded of this almost every time I go mountain biking.  On a trail, espeically twisty and or technical trails, I sometime marvel at how many obstacles we have to miss not every minute or half a minute but literally per second.  Rocks, roots, branches sticking out, dry spots, gulleys, drops, trees, water bottles.  Yes some people drop those along the way and you don't want to hit one.   ...
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