Chpater 14 Flashcards
Health Psychology
understanding and improving the links btwn physical and psychological health
Stressor
Specific events or chronic pressures that place demands on a person
Stress Response
Physical and psychological response to internal or external stressor
Chronic stressors
sources of stress that occurs repeatedly
Hypothalamic Pituitary Adrenal (HPA) axis
Demands from environment –> Cerebral cortex –> Hypothalamus –releasing factor –> pituitary glands –ACTH –> Adrenal glands –> Cortisol and Catecholamine
3 stages of general adaption syndrome (GAS)
- Alarm reaction
- Resistance
- Exhaustion
Humans respond to stress by
- caring for others
- seeking help
Oxytocin
stress hormone (more likely for women to release) -"bonding hormone"
Cortisol when things go RIGHT
- inhibits growth, reproduction, inflammation
- helps break down stored nutrients for energy
- helps body return to normal after stress
Cortisol when things go WRONG
- Fat storage in central visceral area
- Damage to hippocampus (memory)
- Impaired immune functioning
- Depression
- Elevated lipids
- High BP
Protein complexes that cap chromosomal ends
telomeres
An enzyme that rebuilds telomeres at the tips of chromosomes
Telomerase
Long-term excess of epinephrine and norepinephrine can
- suppress immune system
- elevated lipid and BP lvls
What age group experiences the greatest amount of stress
18-25
What % of students were overwhelmed? Exhausted? Felt anxiety?
89% overwhelmed
86% exhausted
56% felt anxiety