HLSC 1F90 Lecture 19: HLSC Feb 25th
3 Mar 2016
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Document Summary
An externally imposed factor that makes demands on the individual"s mind or body; the. The individual"s own thoughts and perceptions determine whether a demand/situation/event is mental and physical responses of the mind and body to these demands stressful: the same a demand/situation/event may evoke different levels of stress for different individuals. Those physical, social, or mental demands/situations/events that evoke stress by forcing the individual to respond and adapt. Stressors can be positive or negative : positive stress= eustress (eg vacation, negative stress= distress (eg illness) General adaptation syndrome: alarm, resistance, exhaustion exhaustion comes from not being able to deal with stress. The gas involves three progressive stages: stage 1: alarm. Characterized by surprise/anxiety arising from a stressor. The autonomic nervous system (ans) activates: part of central nervous system, regulates body functions such as heart rate, respiration, glandular functions, comprised of the sympathetic nervous system and the parasympathetic nervous system, stage 2: resistance.
