The Brain Mind Center
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Topics from the book,
The Human Brain
by Stephen Gislason

Some Topics from the book

The Nature of Mind
Tuning into the Universe
Connected to the Environment
How Many Senses?
Misunderstanding Mind/Body
Mental Illness?
Right & Left Brain
Neurons
Neuroscience Notes
Mind Drugs
Psychiatry versus Biology
Psychosomatic
Mechanisms of Brain Dysfunction
Nutrition & Brain
Allergy and the Brain
Wheat Gluten and the Brain
Attention Deficits
Depression
Is Stress Real?
Preventing Strokes
Elixir of Sanity & Joy
Memory
Self Regulation
Intelligence
Thinking
Is Stress Real?
Catecholamines
Dopamine
Amino Acids
Serotonin

Brain Drug Issues & Warnings

History of Mind Drugs
Prescription Drug Abuse
Pain Relief with Narcotic Drugs
Sleeping Pills, Ambiens
Children and Antidepressants
Adults and Antidepressants
Avoid Stimulant Drugs
Reversible Stroke & Ephedra
Hyperactivity/ADHD
Avoid Antipsychotic Drugs Children
Antipsychotic Drugs Seniors
Alcohol Abuse
Chantrix Warning
 

We Prefer Clean Air, Pure Water, Healthy Food and Clear Minds

Is Stress Really Real?

The word ‘stress” is another of the popular fuzzy words that everyone uses but no one really understands. Stress is a noun, verb, adjective and adverb, so versatile grammatically that it defies all reasonable definition. Hans Selye started the “stress” fad by doing terrible things to rats in his laboratory such as injuring them with painful electrical shocks, burns, toxins, and forcing them to swim in a closed container until exhausted. These near-drowning experiences were stressful.

Selye called these traumatic experiences “stress;” others might call his experiments “torture”. Sometimes the “torture-stress” was an allergic reaction to a foreign protein that he injected. Selye’s rats would tell you that “stress” was painful, scary and often life-threatening.

The “stress response” that Selye observed was a progression of body responses to injury that gave an animal an opportunity to survive. Selye’s main discovery is that the adaptation to injury involved increased fight and flight responses and secretion of cortisol from the adrenal glands. If the injury was repeated or prolonged, the adaptation would fail and the animal would die. 

The original and specific meaning of the word "stress" has been lost in popular usage. Emotional responses are often referred to as “stress.” Tiring or frustrating experiences are often called “stress.” Conflict is also referred to as stress.

The problem with such a fuzzy word is that it overrides a host of more useful concepts and words that describe human experiences in more precise and meaningful ways. Intellectual progress can be made simply by deleting the word, stress from your vocabulary or you could start with re-definition of “stress” by noting that the fundamental task of living beings to find things in the world out there that they need to survive, to avoid danger and to adapt to changing circumstances. Since the environment changes constantly, humans are required to adapt constantly. When the change is too great or too sudden, a failure of adaptation occurs, with malfunctioning of mind/body as a consequence. 

A meaningful use of the word stress in science refers to the activation of the flight and fight response with increased sympathetic nervous system activity, and the secretion of adrenalin and cortisol from the adrenal glands.

You could argue that any interaction between individual and environment that produces dysfunction expressed as symptoms and disease could be called "stressful." Any event, agent, or component of the environment that causes a maladaptive response is then called a "stressor".  A maladaptive response to a changing environment might be as simple a changing jobs and the new canteen only serves cheese burgers, French fries and coke for lunch. You get obesity, high blood pressure and diabetes after 10 years on the job.

If you had stayed at the old company and continued to have salads and orange juice for lunch, you would be healthy and well. Maladaptation leads to dysphoria and disease. Successful adaptation leads to happiness and health. For most people living ordinary lives in relatively safe environments, the most stressful events are those changes in the environment and food supply that internal control systems can neither control nor predict. 

Events that cause unstable changes in body function require adaptive responses.  If responses work, the instability is reduced and no stress occurs.  If the responses do not work, then body systems, seeking balance, become confused and maladaptive body-states and maladaptive behaviors appear.  A healthy person copes with a remarkable range of adversity and emerges intact, whereas a sick person cannot cope with the ordinary transactions of daily life.

Students, Physicians and Stress

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Human Brain in Health and Disease
Neuroscience Notes

You are viewing the Brain Mind Center at Alpha Online.  Persona Digital publishes Philosophy, Psychology and Neuroscience books. The topics discussed at the Brain Center are taken from this series of books. These books are available as print editions at Alpha Online or they can be downloaded from  Persona Digital  a separate online site where you can read book topics and download eBooks as PDF files.

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