BIO SCI 47 Chapter Notes - Chapter 1: Hans Selye, Homeostasis, Ideal Point
4 Apr 2018
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It can onset disease or worsen it. For zebras, the most stressful thing are acute physical crises. For zebras and lions, their body"s physiological response mechanisms are superbly adapted for dealing with such short term physical emergencies. Stress related diseases emerge out of the fact that we so often activate a physiological system that has evolved for responding to acute physical emergencies but we turn it on for months on end with worries. A stressor can be the anticipation of something happening. When we activate the stress-response out of fear of something that turns out to be real, we congratulate ourselves. We can activate stress-response just by thinking about a stressor. These anticipatory defenses can be protective but also be bad when we fear something that"s not realistic. Selye (1930) stressed out the rats and caused them ulcers. Selye formalized the idea of stress in two ways (cannon paved the way)
