After studying or taking a test, do you ever get tired? Why do we get sleepy after thinking hard?
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The body and the brain: Impact of mental, physical exertion on fatigue development
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“Do you ever notice how stress and mental frustration can affect your physical abilities?”
Effects of Mental Fatigue on the Development of Physical Fatigue
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“The findings suggest that interference in the prefrontal cortex may influence motor output during tasks that require both physical and cognitive processing.”
Why Does the Brain Need So Much Power?
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“It is well established that the brain uses more energy than any other human organ, accounting for up to 20 percent of the body's total haul.”
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