Kinesiology 2276F/G Lecture Notes - Lecture 9: Allostasis, Immunosuppression, Homeostasis
28 Feb 2018
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Document Summary
What we experience when we face challenges in our lives. What"s negative to one person could be negative to another person. No matter the type of stress, it was still the same physiological response. "arousal and alarm" - initial reaction to stress. "fight or flight response" for males and the "tend and befriend response" Anxious, irritable, and vulnerable until stress is resolved. Stage of resistance - strain, worry, cynicism, difficulty sleeping. Is initiated when some real or perceived threat or challenge is encountered. Stimulation of brain stem = activated sns via acth. Unresolved stress = feedback loop to increase production. Secretion of two kinds of hormones from the adrenal glands: When situation presents a challenge to an individual. When an individual is faced with a threat or unpleasant challenge. How much the person feels in control influences whether e & ne or cortisol is released.
