Module 43 - Stress and Health Flashcards

1
Q

How often do we experience stress?

A
  • 3 out of 4 say sometimes or frequently
  • short term (acute) stress is adaptive
  • long term (chronic) stresses not (leads to physical and mental health problems)
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2
Q

Behavioural Medicine

A

Interdisciplinary field of medicine that integrates behavioural and medical knowledge. Examines behaviour that improve or harm halt

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3
Q

Health Psychology

A

Relatively new-sub-field of psychology that studies the effects of emotion, personality and behaviour on health (physical) well-being (subjective)

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4
Q

Stress

A
  • complex concept
  • used as a cause of something
  • used to mean the result of something
  • stress also means strain
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5
Q

Hans Selye (1954)

A
  • used term stress in psychological context
  • he misused the term stress
  • he said stress is the effect not cause
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6
Q

Stress

A

Non-specific response of the body to any demand

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7
Q

Today stress is defined as:

A
  • the process by which we perceive and respond to certain events that we appraise as threatening or challenging (stressors)
  • stress reaction (response) is the bodily response to a stressor
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8
Q

Common Stressors

A
  1. Catastrophic Events - sudden, unpredictable, large-scale event
  2. Significant Life Changes - death of love one, loss of job, marriage/divorce
  3. Daily Hassles - rush hour traffic, aggravating room mate, long lines in store
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9
Q

Walter B. Cannon (Physiological Stress Responses)

A
  • did not use term stress
  • already described the fight/flight response when against challenging event
  • very fast system
  • release of no epinephrine from adrenal medulla
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10
Q

Haris Selye

A
  • hypothalamic; pituitary-adrenal (HPA) axis becomes activated leading to release of glucocorticoids
  • released from the adrenal cortex (out layer)
  • increase in blood sugar, alertness, memory in brain and decrease in immune system
  • slower system than fight/flight
  • necessary for coping with stress
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11
Q

General Adaption Syndrom (3 phases of stress)

A
  1. Alarm Reaction
  2. Stage of Resistance
  3. Stage of Exhaustion
    - stress is universal despite the exact nature of the stressor
    - stress decreases neurogenesis and shortened telomeres associated with prolonged stress
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12
Q

Coronary Heart Disease

A
  • occlusion of coronary arteries that increases likelihood of heart attack
  • many factors contributing; smoking, body weight, stress
  • stress increases blood cholesterol and clotting of blood
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13
Q

Friedman and Ulmer

A
  • showed links between heart disease and stress

- increase blood cholesterol and clotting

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14
Q

Friedman and Rosenman

A
  • type A and type B study
  • men as type a (uptight)
    type b was opposite (laid back)
  • 9 years 69% were type a heart attacks, no extreme type b’s
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15
Q

Type A

A
  • called “Coronary Prone Personality”
  • anger identified as major contributor
  • heart attacks more likely occur 24 hours after angry outburst
  • other traits: depression (4x) and pessimism (2x)
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16
Q

Psychosomatic Illness

A

A physical illness of psychological origin

- links between brain, behaviour and immune system

17
Q

Psycho neuro immunology (PNI)

A
  • growing field which studies how brain systems affect physiological and endocrine responses that in turn influence the immune system
18
Q

Ader and Cohen

A
  • demonstrated that immune system could be conditioned

- first evidence brain regulates immunes

19
Q

Stress and Cancer

A
  • increased cancer rates in stressed people
20
Q

Well Being and Stress

A
  • stress is adaptive coping response to challenge

- prolonged stress can affect health and well being