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Defining and Measuring Stress

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Presentation on theme: "Defining and Measuring Stress"— Presentation transcript:

1 Defining and Measuring Stress
Chapter 5

2 WHAT IS STRESS? RESPONSE TO INCREASED DEMAND A NEGATIVE EMOTION
A MOTIVATOR THE CAUSE OF ILLNESSES

3 Cognitive Processing Appraisal Response Physiological Cognitive Affective Stressor Event Behavior Coping

4 THE STRESSOR COULD BE ANY STIMULUS LIFE EVENTS DAILY HASSELS
POSITIVE OR NEGATIVE LIFE EVENTS DAILY HASSELS

5 COGNITVE PROCESSING - APPRAISAL
LAZARUS POPULARIZED THE IDEA OF APPRAISAL OUR INTERPRETATIONS DICTATE WHAT IS STRESSFUL BASED ON PERCEIVED THREAT

6 TYPES OF APPRAISAL PRIMARY SECONDARY The initial appraisal
Appraisal of coping ability Options Self-efficacy Outcome Expectancy

7 THE RESPONSE PHYSIOLOGICAL COGNITIVE AFFECTIVE FIGHT OR FLIGHT
BEHAVIORAL INHIBITION SYSTEM (BIS) COGNITIVE WORRY RUMINATION FOCUS AFFECTIVE TENSE SAD/HURT OVERWHELMED PUMPED

8 PHYSIOLOGY OF STRESS DIVISIONS OF THE NERVOUS SYSTEM
NEUROENDOCIRNE SYSTEM ADRENOCORTICAL RESPONSE ADRENOMEDULLARY RESPONSE

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10 Figure 5.1 (p. 100) Divisions of the human nervous system.

11 AUTONOMIC NERVOUS SYSTEM
CONTROLS MOBILIZATION OF BODIES RESOURCES – FIGHT/FLIGHT RESPONSE

12 THE EFFECTS OF ANS SYMPATHETIC PARASYMATHETIC INCREASE DECREASE
HR, RESPIRATION, BP, GLUCOSE UTILIZATION, BLOOD TO MUSCLES DECREASE IMMUNE SYSTEM , DIGESTIVE FUNCTIONS PARASYMATHETIC RETURN TO BASELINE RELAXATION DIGESTION PUPILLARY CONSTRICTION SALIVA FLOW NEAR VISION

13 ENDOCRINE SYSTEM

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15 NEUROTRANSMITTERS AND HORMONES

16 SUMMARY OF STRESS RESPONSE
STESSOR IS APPRAISED AS HARMFUL/THREAT HYPOTHALAMUS RELEASES CRF PITUITARY RELEASES ACTH AC – RELEASES CORTISOL +ENERGY +FOCUS - IMMUNE AUTONOMIC NEURONS TRAVEL TO AM AND SECRETE Ach AM - RELEASES E AND NE INIATES AND DRIVES FIGHT/FLIGHT

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18 The Effect of Chronic Stress Over Time: The General Adaptation Syndrome

19 SOURCES OF STRESS ENVIRONMENT OCCUPATION RELATIONSHIPS CROWDING
POLLUTION NOISE URBAN PRESS OCCUPATION RELATIONSHIPS

20 MEASURING STRESS PSYCHOPHYSIOLOGIAL MEASURES LIFE EVENTS SCALES
HORMONE LEVELS BP HR GSR LIFE EVENTS SCALES EVERYDAY HASSELS SCALE

21 Coping Emotion Focused Coping Problem-Focused Coping
Coping w/the response Problem-Focused Coping Changing the appraisal Changing the event

22 EVENT Problem Focused Coping APPRAISAL RESPONSE Emotion Focused Coping

23 Theories of Coping: Problem- & Emotion- Focused
Lazarus & Folkman (1984) (Strategy) Problem-Focused Emotion-Focused Resolve cause of problems Managing emotional impact of problem Seeking info. Going to GP Think of options Devise plan Change job Talk to friends Going shopping Drinking Relaxing Avoidance

24 Who Uses Which? High perceived controllability Females Adolescents+
Problem-Focused Emotion-Focused Relationship problems Males Low perceived controllability Children Work problems Low resources

25 Effectiveness of Coping Strategies
Effectiveness of coping strategy relates to the nature of the problem A flexible approach is better than rigid use of specific style Many studies indicate that problem-solving is overall a better strategy

26 Global Factors Influencing Coping: Social Support
Social Support –Material and emotional support from others Emotional Instrumental Informational Structure Social Network Marriage Social Isolation Gender Differences – Tend and Befriend Women seek more Women give more Stronger effects on health for women

27 Social Support and Health
The Data Studies in different states and countries support the link Correlational The mechanism Encouragement - Compliance Appraisal coping Buffering hypothesis

28 Just Thinking About Support Helps
For this study, “undergraduates (41 men, 41 women) wrote about supportive ties or casual acquaintances. Supportive ties were rated as warmer and less controlling than acquaintances, and writing about them evoked reductions in negative affect, especially for low-hostile participants," the researchers said. "Compared with the acquaintance condition, the supportive tie condition resulted in reduced heart rate and blood pressure response during a subsequent speech stressor” among low-hostile participants. Mental activation of supportive ties, hostility, and cardiovascular reactivity to laboratory stress in young men and women. Health Psychology, 2004;23(5):

29 Mobilizing Social Support
Qualities of Effective Social Support Emotional Sharing Cooperation Increasing Social Support Improve Existing Networks Support Groups

30 Global Factors Influencing Coping: Personal Control
Internal vs. External Locus of Control Internal is better Perceived Control Higher is better Langer and Rodin (1976) Nursing home residents Personal control increased physical and mental health status

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