Lecture Overview Understanding Stress Stress Illness Health Psychology
- Slides: 23
Lecture Overview • Understanding Stress • Stress & Illness • Health Psychology in Action • Health & Stress Management ©John Wiley & Sons, Inc. 2010
Understanding Stress • What is Stress? – Nonspecific response of the body to any demand made on it; – the arousal, both physical & mental, to situations or events that we perceive as threatening or challenging ©John Wiley & Sons, Inc. 2010
Understanding Stress: Sources of Stress ©John Wiley & Sons, Inc. 2010
Understanding Stress: Sources of Stress (Continued) • Life Changes: life events that require some adjustment in behavior or lifestyle ©John Wiley & Sons, Inc. 2010
©John Wiley & Sons, Inc. 2010
Understanding Stress: Sources of Stress (Continued) • Chronic Stress: state of ongoing arousal in which the parasympathetic system cannot activate the relaxation response ©John Wiley & Sons, Inc. 2010
Understanding Stress: Sources of Stress (Continued) • Job Stress: work related stress, including role conflict and burnout ©John Wiley & Sons, Inc. 2010
Understanding Stress: Sources of Stress (Continued) • Job Stress – Role conflict = Forced choice between two or more different & incompatible role demands ©John Wiley & Sons, Inc. 2010
Understanding Stress: Sources of Stress (Continued) • Job Stress – Burnout = state of psychological & physical exhaustion resulting from chronic exposure to high levels of stress & little personal control ©John Wiley & Sons, Inc. 2010
Understanding Stress: Sources of Stress (Continued) • Hassles: small, everyday problems that accumulate to become a major source of stress ©John Wiley & Sons, Inc. 2010
Pause & Reflect: Psychology at Work ©John Wiley & Sons, Inc. 2010
Understanding Stress: Sources of Stress (Continued) Frustration: unpleasant tension resulting from a blocked goal Conflict: forced choice between two or more incompatible goals or impulses ©John Wiley & Sons, Inc. 2010
Understanding Stress: Sources of Stress (Continued) § Three Types of Conflict • Approach-Approach: forced choice between two or more desirable alternatives • Avoidance-Avoidance: forced choice between two or more undesirable alternatives • Approach-Avoidance: forced choice between two or more alternatives both having desirable & undesirable results ©John Wiley & Sons, Inc. 2010
Understanding Stress: Sources of Stress (Continued) • Cataclysmic Events: stressors that occur suddenly & generally affect many people simultaneously ©John Wiley & Sons, Inc. 2010
Learned Helplessness • Dogs that could • They both received control shocks (turn the same number of off by pressing a bar) shocks. developed fewer ulcers than dogs that had no control. ©John Wiley & Sons, Inc. 2010
Understanding Stress: • SAM System (Sympatho-Adreno-Medullary): initial, fast-acting stress response • HPA Axis (Hypothalamic-Pituitary-Adrenocortical): Body’s delayed stress response, which if extended may lead to impairment of the immune system and increased vulnerability to disease ©John Wiley & Sons, Inc. 2010
Understanding Stress: Effects of Stress HPA Axis SAM System ©John Wiley & Sons, Inc. 2010
HPA axis • CRF • ACTH • Cortisol ©John Wiley & Sons, Inc. 2010
Understanding Stress: Effects of Stress (Continued) • Stress & Cognitive Functioning: Stress can interfere with retrieval of memories, laying down of new memories, & general information processing. • Stress affects the hippocampus ©John Wiley & Sons, Inc. 2010
Understanding Stress: Effects of Stress (Continued) • Selye’s General Adaptation Syndrome 1. Alarm 2. Resistance 3. Exhaustion ©John Wiley & Sons, Inc. 2010
Stress & Illness Cancer: related to genetic predisposition & environmental factors Cardiovascular Disorders: related to stress hormones, personality types, & certain behaviors **Diathesis model of disease** ©John Wiley & Sons, Inc. 2010 Posttraumatic Stress Disorder (PTSD): anxiety disorder following extraordinary stress Gastric Ulcers: caused by bacteria or stress? Or both?
Why don’t zebras get ulcers? • They don’t sweat the • They turn off stress small stuff! ©John Wiley & Sons, Inc. 2010
Resources for Healthy Living 1. 2. 3. 4. 5. 6. 7. Health & Exercise Positive Beliefs Social Skills Social Support Material Resources Control (Internal Locus of Control) Relaxation (meditation: alpha& theta waves) 8. Sense of Humor ©John Wiley & Sons, Inc. 2010
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