Psychological Factors and Physical Illness Flashcards
What is the A Response Model of Stress (General Adaption Syndrome)?
- Alarm Phase (fight or flight): Sympathetic system activation and adrenaline
- Resistance Phase - fight the stress and keep going
- Exhaustion Phase - Collapse of vital organs, exhaustion of lipid reserves, inability to produce glucocorticoids, cumulative damage to organs
What is the Stimulus Model of Stress?
Defines events with stress ratings
What is The Transitional Model of Stress?
Stress occurs when a situation is appraised as exceeding the persons adaptive resources:
- Perception of stressor
- Access to resources
- Types of coping used
What is the Stress and Coping Model?
Stress characteristics, appraisal, coping strategies, coping resources, adjustment and event outcome => Health, immune function, disease onset, Disease progression
Explain the Adler et al immune study?
If immune suppressing drug paired with sweet substance classic conditioning occurs and eventually the sweet substance causes immune suppression
Decribe the biological process of the immune function?
Cortex messages amygdala and simultaneously preconcious message also sent. This releases corticotropin releasing hormones to stimulate brain stem. This activates the nervous system via spinal cord. Message sent to adrenal glands to produce stress hormone adrenaline and glucocorticoids. These both prepare muscles, heart and lungs for flight or fight. If stress is chronic then locus caeruleus releases noradrenaline that sends messages to the amygdala to more corticotropin and start the process again.
What is known to reduce immune system?
- Academic exams
- Facing fears eg spiders
- Alzheimer caregivers
- Unemployed
- Maladaptive/repressive coping
- No control
- Pessimistic explanatory style
- Loneliness, marital separation, bereavement
- Type A personality
- Depression, anxiety, hostility
- MDD
Describe the Vanable et al HIV/AIDS study?
If HIV positive and low concern have more unsafe sex which may explain the increase in transmission
What is Myocardial Ischemia?
Temporary oxygen deprivation to the heart
What is Atherosclerosis?
Thickening of the coronary artery wall
What is Coronary occulsion?
Arteries are blocked by fatty deposits/clots due to health behaiour eg smoking, diet
Describe the Kaplan & Manuck study about monkeys?
Females monkey at the bottom of the hierarchy have increased hypertension and atherosclerosis risk and impaired ovarian function
What is the result of high psychological demands and low decision control?
Increased heart disease
What is the Demand Control Model?
High work demands lead to psychological strain and ill health but this is buffered by social support and control
Are heart attacks higher in Type A or Type B personalities? why?
Type A as time urgent, competitive and prone to anger and hostility, but anger and hostility may be the main cause as mortality higher in Type B.