Chapter 6: Stress and Health Module 13: Effects of Stress.
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Transcript of Chapter 6: Stress and Health Module 13: Effects of Stress.
![Page 1: Chapter 6: Stress and Health Module 13: Effects of Stress.](https://reader035.fdocuments.in/reader035/viewer/2022062219/5a4d1b0f7f8b9ab05998de8c/html5/thumbnails/1.jpg)
Chapter 6: Stress and Health
Module 13:Effects of Stress
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Stress• The process by which
we perceive and respond to events that we appraise as threatening or challenging
• Is a process of perceiving and responding
• Events = stressors.• Response = stress
reaction.– Which of the following
is the stressor and which is the reaction
– Pimples and a 1st Date • Stress reaction, stressor
• What other examples can you come up with?
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http://news.yahoo.com/elephants-know-a-thing-or-two-about-empathy-202224477.html
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Health Psychology• A subfield of
psychology that focuses on how stress affects our well being and our health
• Some of the questions they ask
• How are stress and illness related?
• How do our perceptions of stress affect our health?
• Can we control our reactions to stress?
• What behaviors and attitudes help prevent health problems?
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Responding to Stress
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Responding to Stress
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Responding to Stress:Draw this one!!!
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Walter Cannon• Physiologist • Different situations trigger the release
of stress related hormones into the nervous system
• Heart Rate ↑• ↓ Pain Sensation• ↑ Blood flow to muscles• “Fight or Flight”• BOTTOM LINE
– Simultaneous occurrence of Physiological and Emotional Experiences
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Hans Selye (1907-1982)aka “Mr. GAS”
• Researched recurring responses to stress
• Discovered various chemicals caused stress reactions in animals
• Developed the concept of the general adaptation syndrome (GAS)
• Bottom line:– Prolonged stress produces physical
deterioration…like?– Ex: long time child abuse victims have a
shrinking hippocampus (used for memory recall)
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General Adaptation Syndrome
• The body’s adaptive response to stress in 3 stages• 1. Alarm Reaction – nervous system activated in
response to stressor– Heart pumps faster
• 2. Resistance – body responds with physiological reactions to cope with the stressor– Respiration, temperature, & blood pressure rise
• 3. Exhaustion – body’s resistance to stress is depleted (physical deterioration)
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General Adaptation Syndrome(Example: Prisoner Of War)
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General Adaptation Syndrome
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General Adaptation Syndrome
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Stress:Stressful Events
Module 13: Effects of Stress
What are the 3 main types of stressors and how do they affect our health?
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1. Daily Stress
• Stress can be caused by:– Typical demands of
the day– Living situations– Economic difficulties
• What are some of your daily stresses?– Locker jam– Running late
• Burnout– Physical, emotional,
and mental exhaustion brought on by persistent stress
• Burnout can result in:– Depression– Decreased
performance– Cynicism
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2. Significant Life Changes
• Stress can be the result of personal life changes– Death of a loved one– Leaving home for college– What else?
• Can result in health problems– What examples can you provide?
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3. Catastrophes
• Large scale stress events (i.e. earthquakes, floods, war, etc.
• Prolonged exposure can lead to physical and psychological problems.
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Effects of Perceived Control
Module 13: Effects of Stress
Can our outlook and feelings of control influence our health?
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Perceived Control
• The sense of control or influence one has over stressful events in one’s life
• Most studies suggest– ↓perceived control – ↑potential for health-related problems– ↓immunity to disease
• Does empowerment = healthier life?
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Describe the Images
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Optimism
• A generally positive outlook on the future• Optimists have stronger immune systems
and recover faster from health problems.• Opposite of pessimism
• Is the glass half-full or half-empty?
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Stress Hormones
• Hormones released in response to stress• The body must work to rid the body of the
stress hormones.• Pessimism and perceived lack of control
both produce more stress hormones and hinder recovery time.
• Example: – Sickness during vacation vs. FINALS
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Stress and Disease:Cancer and Stress
Module 13: Effects of Stress
Is there a connection between the two?
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Stress-Cancer Connection
• Evidence for a connection is not conclusive.• Two conclusions:
– Stress does not create cancer cells.– Stress affects the body’s malignancy-
fighting ability.• Those with stress weakened immune systems
are much more likely to allow tumor growth they would otherwise combat
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Stress and Disease:Stress and Heart
Problems
Module 13: Effects of Stress
What do we know about the link between stress and heart problems?
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Individuals:Type A vs. Type B
• Individuals who are competitive, hard-driving, impatient, verbally aggressive, and anger-prone.
• More prone to heart attacks & other stress related illnesses
• Individuals who are easygoing, laid-back, and relaxed