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HEADACHES ( THE BRAIN’S EQUILIBRIUM )

HEADACHES ( THE BRAIN’S EQUILIBRIUM ) HEADACHES In the waning days of the Civil War, Union general Ulysses S. Grant was suffering from a terrible headache. He stopped at a farmhouse in the rear of his army, which had been pressing the forces of Confederate general Robert E. Lee. “I spent the night in bathing my…

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BALANCING ACT ( THE BRAIN’S EQUILIBRIUM )

BALANCING ACT ( THE BRAIN’S EQUILIBRIUM ) Some feedback mechanisms suppress actions in the brain and body. Others excite them. Their delicate balance keeps the body between extremes. To have too much or too little of one can throw the system out of whack. To take one example, the lack or overabundance of neurotransmitters such…

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DELICATE BALANCE – THE BRAIN’S EQUILIBRIUM [ HOMEOSTASIS ]

DELICATE BALANCE – THE BRAIN’S EQUILIBRIUM [ HOMEOSTASIS ] THANKS TO THE autonomic nervous system, the human body pretty much takes care of itself without conscious effort. The weather changes but core temperature is maintained, food gets digested, cycles of sleeping and waking follow upon one another, and the body’s status remains fairly even from…