PSY 346 Lecture Notes - Lecture 3: Hans Selye, Walter Bradford Cannon, Endocrinology
5 Apr 2017
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Stress is a negative emotional experience accompanied by predictable biochemical, physiological, cognitive, and behavioral changes that are directed either toward altering the stressful event or accommodating to its effect. Physical: things that all animals (human and not) might list as stressful. Psychological: things that primarily human would consider stressful. Acute stressors: demand immediate attention and don"t last long; tend to appear suddenly. Chronic stressors: do not require immediate attention, but last a long time and are a constant source of worry. Six key moments in stress history: walter cannon: fight or flight behavior. Interested in the physiological response a person/animal to a threat. Threat causes physiological changes; they mobilize the body to fight or flee. Helpful: allows your body to response quickly. Harmful: disrupts normal functioning: hans selye: general adaption syndrome. Endocrinologist in 1930s studying how a new ovarian extract can affect the body. Tested the extract on rats but was bad at handling them.
