Chapter 14:Stress Flashcards
Stressors
Specific events or chronic pressures that place demands on a person or threaten his or her well-being
Physical or psychological response to internal or external stressors
Stress
Health Psychology
Subfield of psychology concerned with ways that psychological factors influence the causes and treatment of illness and maintenance of health
Thomas Holmes and Richard Rahe
Proposed that major life changes cause stress, and stress comes from positive and negative experiences
Chronic Stressors
Continuous repetitive sources of stress (bullying,money problems)
HPA
Hypothalamus, Pituitary, Adrenal
______ gland dumps ACTH into the blood which sends hormone to the _____ gland to release cortisol and catecholamines
Pituitary ; adrenal
Emotional or physiological reaction to an emergency that increases readiness for action
Fight or flight response
Developed Fight or Flight response theory
Walter B Cannon
Brain activation in response to threat occurs in the
Hypothalamus
Three stage physiological response that appears regardless of a stressor encountered and who created this?
General Adaptation Syndrome created by Hans Selye
The three stages of General Adaptation Syndrome
Alarm Stage- bodily resources responding to threat
Resistance Stage- coping with stressor
Exhaustion stage-body’s resistance collapses
Caps at the ends of chromosomes that prevent them from sticking together
Telomeres
Cells stop dividing when telomeres become _____
Too short
Telomerase
Enzyme that rebuilds telomeres at the tops of chromosomes