PSY 1102 Lecture Notes - Lecture 7: Hans Selye, Sympathetic Nervous System, Resistance 3

• School: University of Ottawa
• Department: Psychology
• Course: PSY 1102
• Professor: Rosalinde Klempan

Document Summary

Process of perception & response to an event (stressor) that is perceived as physically or psychologically threatening or challenging. Stress understood by how person appraises situation in terms of: motive s& needs, resources for coping. Two critical processes that determine stressfulness: cognitive appraisal, coping strategies. The stress response : a pattern of physical & psychological responses that occur in different situations. Pattern is nonspecific : stimulus can be an event or set of circumstances that require unusual response. An emergency response: boys response to perceived threat is to prepare for emergency action, response of sympathetic nervous system, increase in: Stress hormones such as epinephrine & norepinephrine. Heart rate: decrease in: reaction known as fight or flight reaction . A non-specific & automatic stress response pattern. 3 gas phases: alarm reaction resistance. Shock period: temperature decreases, blood pressure & heart rate decreases, muscles go slack. Alarm period: defenses mobilized for emergency responses.