PSYC 1200 Chapter Notes - Chapter Chapter 14: Walter Bradford Cannon, Adrenocorticotropic Hormone, Catecholamine
1 May 2018
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Stress and Health
Stressors- Specific events or chronic pressures that place demands on a person or
theate the peso’s ell- being.
Stress- The physical and psychological response to internal or external stressors.
Health Psychology- The subfield of psychology concerned with ways psychological
factors influence the causes and treatment of physical illness and the
maintenance of health.
Chronic Stressors- Sources of stress that occur continuously or repeatedly. Linked
to social psychology and environment.
-stressors are events and threats that place specific demands on person or
theate the peso’s ell-being.
-Sources of stress include major life events (even happy ones), catastrophic
events, and chronic hassles, some of which can be traced to a particular
environment.
-Events are most stressful when we perceive that there is no way to control or
deal with challenge.
-Stress can produce changes in every system of the body and mind, stimulating
both physical reactions and psychological reactions.
Physical Reactions
Walter Cannon (1929)- Fight or Flight response- an emotional and physiological
reaction to an emergency that increases readiness for action.
HPA Axis- the hypothalamus activates the pituitary gland to release
adrenocorticotropic hormone (ACTH). ACTH then travels through the bloodstream
to atie the adeal glads to elease ateholaie’s ad otisol, hih
energize the fight or flight response.
GAS- General Adaptation Syndrome
- A three- stage physiological stress response that appears regardless of the
stressor that is encountered.
- I Selye’s theoy, esistae to stess uild as oe tie, ut the oly last
so long before exhaustion sets in.
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Document Summary
Stressors- specific events or chronic pressures that place demands on a person or th(cid:396)eate(cid:374) the pe(cid:396)so(cid:374)"s (cid:449)ell- being. Stress- the physical and psychological response to internal or external stressors. Health psychology- the subfield of psychology concerned with ways psychological factors influence the causes and treatment of physical illness and the maintenance of health. Chronic stressors- sources of stress that occur continuously or repeatedly. Stressors are events and threats that place specific demands on person or th(cid:396)eate(cid:374) the pe(cid:396)so(cid:374)"s (cid:449)ell-being. Sources of stress include major life events (even happy ones), catastrophic events, and chronic hassles, some of which can be traced to a particular environment. Events are most stressful when we perceive that there is no way to control or deal with challenge. Stress can produce changes in every system of the body and mind, stimulating both physical reactions and psychological reactions.
