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Mental fatigue impairs physical performance in humans

“our study provides experimental evidence that mental fatigue limits exercise tolerance in humans through higher perception of effort rather than cardiorespiratory and musculoenergetic mechanisms.” 

Thinking can be physically exhausting.  

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Functional Fixedness

Definition:

A form of cognitive bias in which a person is unable to think of other, more creative uses for an object aside from its traditional use.

See more.  Mix it up.  There’s more to the object’s common use.   

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The Perils of Positive and Negative Thinking

A positive thinker can’t relax because the imagination takes a lot of effort.  A negative thinker can’t relax because listlessness gets nothing gets done at all.

Both action and inaction create frustration.  We either want more or we just want to start.

Both the positive thinker and negative thinker stress about the unforeseeable future.  One is trying to craft it, the other is letting it happen at no avail. 

The positive are more successful because the brain tells them to try more.  Perseverance increases the chances of success.  Negative thinking perpetuates failure because the brain is stuck in pessimism.

Both positive and negative states need to LET GO.  Stop merchandising ideas that don’t exist.  Instead, find something you really like and enjoy doing it, at this moment.  There’s no substitute for being undone in the present.