Chapter 9: Physical Disorders and Health Psychology Flashcards
General Adaptation Syndrome? Selye
- alarm
- resistance
- exhaustion
- response to immediate danger
- mobilize various coping mech to respond to stress
- bodies suffer permanent damage or death..if stress lasts too long or is too intense
What is Health Psychology?
- subfield of behavioural
- study psychological factors that are important in the promotion and maintenance of health
- psychological and social factors
Behavioural medicine?
-knowledge derived from behavioural science is applied to the prevention, diagnosis and treatment of medical problems
Stress activates the SNS doing what?
-causing mobilization of resources in times of threat or danger by activating internal organs to prepare the body for immediate action FOF.
When stress occurs the endocrine system?
increases in activity….. HPA AXIS
Neuropeptides?
- hormones affecting the NS that are secreted right into the BS
Corticotropin Releasing factor?
secreted via ?
stimulates?
releases?
- secreted by the hypothalamus and stimulates the pituitary gland
- pituitary gland activates the adrenal gland which secretes cortisol…the stress hormone.
What area of the brain is very responsive to cortisol?
hippocampus ….when stimulated by cortisol during the HPA axis it turns off the stress response…
Increased cortisol can do what?
cause death of nerve cells in the hippocampus
If cortisol is produced chronically it can cause…4
- muscles atrophy, fertility is affected via declining testosterone, hypertension in cardio, immune system impairment.
Benefits of predictability and controllability in relation to stress?
-control of social situations and the ability to cope with any tension helps blunting long term effects of stress.
What three psychological factors are closely related ?
- stress, anxiety and depression
What four things are on a continuum?
depression, anxiety, stress and excitement
Differentiated between what response to threats and challenges on the continuum depend on your?
- sense of control at the moment….coping
Excitement?
-rapid heartbeat, sudden burst of energy or jumpy stomach……well prepared
Stress symptoms?
- too much pressure, tense, irritable or develop a headache or upset stomach.
Anxiety?
- threatening you, you can do little about it…
Depression?
ppl who perceive life as threatening always and lose hope about every having control
What can lower the immune system?
- sense of uncontrollability, depression, poor self care, tendency to engage in risky behaviour
- chronic stress
Antigens?
-foreign materials
Two parts of the Immune system?
- Humoral and cellular
Leukocytes?
- surround antigens and destroy them
Lymphocytes
B cells and T cells
signalled via leukocytes